POTOMAC RIVER WATER FILTRATION
NPDES ID: MD0051586
X — SNC: Effluent violation (non-monthly average limit)
The facility discharged more of a pollutant than its permit allows, measured over a period other than a monthly average.
This quarter: 22 effluent violations.
Violations
May 31, 2026
Aluminum, total recoverable
43% over limit
Discharged 5.7 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
22% over limit
Discharged 318.25399733 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 1000 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
133% over limit
Discharged 140 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
20% over limit
Discharged 9.6 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
27% over limit
Discharged 165.70999861 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
120% over limit
Discharged 66 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
174% over limit
Discharged 5352.65995502 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
98% over limit
Discharged 1934.49398375 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
13% over limit
Discharged 294.86845752 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
9% over limit
Discharged 8.7 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
18% over limit
Discharged 4.7 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
1% over limit
Discharged 131.3875989 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
April 30, 2026
Solids, total suspended
138% over limit
Discharged 143 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
104% over limit
Discharged 16.3 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
113% over limit
Discharged 64 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
90% over limit
Discharged 3713.2659688 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
73% over limit
Discharged 1690.69598579 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
72% over limit
Discharged 448.55199623 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
95% over limit
Discharged 7.8 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
59% over limit
Discharged 207.47799826 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 570 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Turbidity
0% over limit
Discharged 1000 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
77% over limit
Discharged 53 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
22% over limit
Discharged 316.89199734 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
35% over limit
Discharged 10.8 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
43% over limit
Discharged 186.59399843 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
45% over limit
Discharged 2834.32197618 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
52% over limit
Discharged 1485.94198751 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
68% over limit
Discharged 6.7 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
53% over limit
Discharged 92 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Aluminum, total recoverable
199% over limit
Discharged 389.53199673 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
1864% over limit
Discharged 38372.98767757 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 1000 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
204% over limit
Discharged 24.3 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
235% over limit
Discharged 3276.51797247 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
257% over limit
Discharged 107 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
756% over limit
Discharged 2230.04798126 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
230% over limit
Discharged 13.2 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
750% over limit
Discharged 68 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
206% over limit
Discharged 796.9788333 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1850% over limit
Discharged 1170 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
January 31, 2026
Solids, total suspended
0% over limit
Discharged 55 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
188% over limit
Discharged 11.5 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
0% over limit
Discharged 91.09040091 kg/d against a permitted limit of 0 kg/d (ANNL TOT)
DMR, Monitor Only - Overdue
Turbidity
0% over limit
Discharged 258 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl Total
0% over limit
Discharged 0.91 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 1.39 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 2.31 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
117% over limit
Discharged 4246.71596432 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
83% over limit
Discharged 55 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
0% over limit
Discharged 1094.55398785 kg/d against a permitted limit of 0 kg/d (MO TOTAL)
DMR, Monitor Only - Overdue
Solids, total suspended
123% over limit
Discharged 134 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
Limit violation
Discharged 0.0434 kg/d against a permitted limit of 0 kg/d (ANNL MAX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 22 NTU against a permitted limit of 0 NTU (DAILY MX)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
185% over limit
Discharged 22.8 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
37% over limit
Discharged 1339.29998875 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
0% over limit
Discharged 0.369 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
116% over limit
Discharged 281.93399763 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
170% over limit
Discharged 703.69999409 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2025
Chlorine, total residual
0% over limit
Discharged 0.01 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 3.45 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 6.81809092 kg/d against a permitted limit of 0 kg/d (MO TOTAL)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
272% over limit
Discharged 485.32599592 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
0% over limit
Discharged 76.80317935 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Iron, total [as Fe]
0% over limit
Discharged 55.25633954 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Overdue
Turbidity
0% over limit
Discharged 12 NTU against a permitted limit of 0 NTU (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 78.14141013 kg/d against a permitted limit of 0 kg/d (MO TOTAL)
DMR, Monitor Only - Overdue
Turbidity
0% over limit
Discharged 190 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Nitrite + Nitrate total [as N]
0% over limit
Discharged 1.29 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 1064.27718819 kg/d against a permitted limit of 0 kg/d (MO TOTAL)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
301% over limit
Discharged 32.1 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
0% over limit
Discharged 13.19777989 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Coagulants added
0% over limit
Discharged 7909.08587865 kg/d against a permitted limit of 0 kg/d (CUM TOTL)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged -986.13950305 kg/d against a permitted limit of 0 kg/d (MO TOTAL)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 25.88707978 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Manganese, total [as Mn]
0% over limit
Discharged 3.42724597 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, Kjeldahl Total
0% over limit
Discharged 1.06 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
273% over limit
Discharged 14.9 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
90% over limit
Discharged 3717.80596876 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
82% over limit
Discharged 109 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
320% over limit
Discharged 1095.0479908 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl Total
0% over limit
Discharged 2.09 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
127% over limit
Discharged 2214.61198139 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Nitrogen, total [as N]
0% over limit
Discharged 117.67225901 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 2.35 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.04 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Overdue
Iron, total [as Fe]
0% over limit
Discharged 27.04477977 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.5 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 1.61 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 877.05324872 kg/d against a permitted limit of 0 kg/d (ANNL TOT)
DMR, Monitor Only - Overdue
Solids, total suspended
127% over limit
Discharged 68 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
November 30, 2025
Solids, total suspended
215% over limit
Discharged 189 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
143% over limit
Discharged 73 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
159% over limit
Discharged 2534.6819787 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 567 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
624% over limit
Discharged 1885.46198416 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
310% over limit
Discharged 16.4 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
330% over limit
Discharged 559.7819953 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
568% over limit
Discharged 53.4 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
298% over limit
Discharged 7785.19193459 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Solids, total suspended
100% over limit
Discharged 1958.55598354 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
127% over limit
Discharged 592.01599503 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
120% over limit
Discharged 286.92799759 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
777% over limit
Discharged 526 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
21% over limit
Discharged 9.7 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
110% over limit
Discharged 16.8 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
20% over limit
Discharged 312.35199738 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 618 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
127% over limit
Discharged 68 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
497% over limit
Discharged 11666.89190197 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
133% over limit
Discharged 9.3 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
September 30, 2025
Aluminum, total recoverable
115% over limit
Discharged 8.6 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
83% over limit
Discharged 55 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
125% over limit
Discharged 586.11399508 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
78% over limit
Discharged 1737.4579854 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 446 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
108% over limit
Discharged 16.6 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
108% over limit
Discharged 270.58399773 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
80% over limit
Discharged 108 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
88% over limit
Discharged 3669.68196917 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2025
Iron, total [as Fe]
380% over limit
Discharged 38.4 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
206% over limit
Discharged 398.15799665 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 762 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
419% over limit
Discharged 1352.91998863 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
25% over limit
Discharged 10 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
260% over limit
Discharged 14.4 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
205% over limit
Discharged 5956.93394995 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
98% over limit
Discharged 1930.40798378 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
243% over limit
Discharged 206 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
5% over limit
Discharged 137.10799885 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
28% over limit
Discharged 5.1 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
35% over limit
Discharged 350.94199705 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
137% over limit
Discharged 71 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
July 31, 2025
Iron, total [as Fe]
59% over limit
Discharged 414.95599651 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
52% over limit
Discharged 197.48999834 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
32% over limit
Discharged 172.06599855 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
55% over limit
Discharged 6.2 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
79% over limit
Discharged 14.3 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
96% over limit
Discharged 15.7 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
68% over limit
Discharged 6.7 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
303% over limit
Discharged 242 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
187% over limit
Discharged 86 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 999 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
95% over limit
Discharged 508.02599573 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
153% over limit
Discharged 2473.84597921 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
234% over limit
Discharged 6534.87594509 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Turbidity
0% over limit
Discharged 58 NTU against a permitted limit of 50 NTU (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
432% over limit
Discharged 5196.93795633 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
2242% over limit
Discharged 45755.93561554 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1883% over limit
Discharged 1190 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
393% over limit
Discharged 148 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
559% over limit
Discharged 1716.57398558 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
133% over limit
Discharged 9.3 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 1000 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
134% over limit
Discharged 305.54199743 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
312% over limit
Discharged 1072.80199099 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
393% over limit
Discharged 39.4 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
249% over limit
Discharged 27.9 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
May 31, 2025
Iron, total [as Fe]
49% over limit
Discharged 194.76599836 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
240% over limit
Discharged 443.10399628 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
1389% over limit
Discharged 14542.9818778 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
6117% over limit
Discharged 3730 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
918% over limit
Discharged 2652.26797771 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
9739% over limit
Discharged 192258.10238457 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
1047% over limit
Discharged 344 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
813% over limit
Discharged 73 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
581% over limit
Discharged 54.5 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
1263% over limit
Discharged 3552.54997015 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 1000 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
215% over limit
Discharged 12.6 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
18% over limit
Discharged 4.7 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
April 30, 2025
Aluminum, total recoverable
38% over limit
Discharged 11 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
16% over limit
Discharged 1130.4599905 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
85% over limit
Discharged 7.4 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
60% over limit
Discharged 48 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
7% over limit
Discharged 279.66399765 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 512 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
17% over limit
Discharged 2294.06198072 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
37% over limit
Discharged 82 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
33% over limit
Discharged 172.97399855 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
March 31, 2025
Aluminum, total recoverable
94% over limit
Discharged 15.5 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 462 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
80% over limit
Discharged 54 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 2495.18397903 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
80% over limit
Discharged 234.26399803 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
57% over limit
Discharged 1536.33598709 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
36% over limit
Discharged 354.57399702 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
45% over limit
Discharged 87 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
108% over limit
Discharged 8.3 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
February 28, 2025
Turbidity
0% over limit
Discharged 472 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
115% over limit
Discharged 4200.40796471 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
93% over limit
Discharged 1884.09998417 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
143% over limit
Discharged 9.7 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
99% over limit
Discharged 15.9 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
170% over limit
Discharged 162 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
123% over limit
Discharged 67 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
63% over limit
Discharged 424.48999643 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
109% over limit
Discharged 272.39999771 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
123% over limit
Discharged 4352.49796343 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
275% over limit
Discharged 15 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
111% over limit
Discharged 2064.79198265 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
175% over limit
Discharged 165 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
331% over limit
Discharged 34.5 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
210% over limit
Discharged 404.0599966 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
Limit violation
Discharged 21.07380021 kg/d against a permitted limit of 0 kg/d (ANNL MAX)
DMR, Limited - Numeric Violation
Solids, total suspended
157% over limit
Discharged 77 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 415 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
262% over limit
Discharged 942.95799208 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
December 31, 2024
Aluminum, total recoverable
198% over limit
Discharged 388.16999674 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
300% over limit
Discharged 1042.38399124 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
115% over limit
Discharged 129 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
270% over limit
Discharged 14.8 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
86% over limit
Discharged 3631.09196949 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 399 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
294% over limit
Discharged 31.5 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
99% over limit
Discharged 1943.11998367 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
147% over limit
Discharged 74 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
November 30, 2024
Solids, total suspended
50% over limit
Discharged 45 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
465% over limit
Discharged 45.2 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
25% over limit
Discharged 162.98599863 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
23% over limit
Discharged 2398.93597984 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
168% over limit
Discharged 10.7 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 366 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
108% over limit
Discharged 542.98399544 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
85% over limit
Discharged 111 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Aluminum, total recoverable
20% over limit
Discharged 313.71399736 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
655% over limit
Discharged 453 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
25% over limit
Discharged 1223.52998972 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
93% over limit
Discharged 58 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
341% over limit
Discharged 8613.74192762 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
45% over limit
Discharged 5.8 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
149% over limit
Discharged 19.9 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 669 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2024
Solids, total suspended
28% over limit
Discharged 77 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
18% over limit
Discharged 9.4 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 738 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
August 31, 2024
Turbidity
0% over limit
Discharged 1000 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
43% over limit
Discharged 11.4 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
105% over limit
Discharged 534.81199551 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
442% over limit
Discharged 10599.99191093 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
277% over limit
Discharged 226 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Iron, total [as Fe]
2% over limit
Discharged 264.68199778 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
310% over limit
Discharged 0.41 mg/L against a permitted limit of 0.1 mg/L (MAXIMUM)
DMR, Limited - Numeric Violation
Iron, total [as Fe]
49% over limit
Discharged 11.9 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
103% over limit
Discharged 61 mg/L against a permitted limit of 30 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
39% over limit
Discharged 180.69199848 kg/d against a permitted limit of 130.29799891 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Solids, total suspended
649% over limit
Discharged 14636.05187702 kg/d against a permitted limit of 1954.01598358 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
697% over limit
Discharged 2076.14198256 kg/d against a permitted limit of 260.59599781 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
708% over limit
Discharged 485 mg/L against a permitted limit of 60 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 656 NTU against a permitted limit of 150 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
760% over limit
Discharged 68.8 mg/L against a permitted limit of 8 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
54% over limit
Discharged 1500.46998739 kg/d against a permitted limit of 977.00799179 kg/d (MX MO AV)
DMR, Limited - Numeric Violation
Aluminum, total recoverable
83% over limit
Discharged 7.3 mg/L against a permitted limit of 4 mg/L (MX MO AV)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 15, 2026 (6 days ago)