SIX FLAGS MAGIC MOUNTAIN
NPDES ID: CA0003352
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
Violations
March 31, 2026
Solids, total dissolved
30% over limit
Discharged 246.06799793 kg/d against a permitted limit of 189.31799841 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
38% over limit
Discharged 8.17199993 kg/d against a permitted limit of 5.90199995 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
125% over limit
Discharged 8.17199993 kg/d against a permitted limit of 3.63199997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, settleable
233% over limit
Discharged 0.001 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
652% over limit
Discharged 71.7319994 kg/d against a permitted limit of 9.53399992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
410% over limit
Discharged 71.7319994 kg/d against a permitted limit of 14.07399988 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
650% over limit
Discharged 0.00075 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, settleable
900% over limit
Discharged 0.001 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 95 NTU against a permitted limit of 75 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Phenols
76% over limit
Discharged 0.33596 kg/d against a permitted limit of 0.19068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
567% over limit
Discharged 0.002 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2026
Coliform, fecal general
5900% over limit
Discharged 24000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
22879% over limit
Discharged 54000 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2025
BOD, 5-day, 20 deg. C
285% over limit
Discharged 22.69999981 kg/d against a permitted limit of 5.90199995 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
33% over limit
Discharged 0.0004 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
200% over limit
Discharged 0.0003 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
87% over limit
Discharged 56 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
799% over limit
Discharged 674 mg/L against a permitted limit of 75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
1875% over limit
Discharged 7900 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, total suspended
8008% over limit
Discharged 773.0484935 kg/d against a permitted limit of 9.53399992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
150% over limit
Discharged 0.0454 kg/d against a permitted limit of 0.01816 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
95% over limit
Discharged 97.3 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
21561% over limit
Discharged 3048.60997438 kg/d against a permitted limit of 14.07399988 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total dissolved
932% over limit
Discharged 1954.01598358 kg/d against a permitted limit of 189.31799841 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
50% over limit
Discharged 0.00015 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
433% over limit
Discharged 400 mg/L against a permitted limit of 75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
5900% over limit
Discharged 24000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Solids, settleable
25% over limit
Discharged 0.000125 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Oil and grease
100% over limit
Discharged 5.44799995 kg/d against a permitted limit of 2.72399998 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
67% over limit
Discharged 0.0005 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 179.4 NTU against a permitted limit of 50 NTU (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
36% over limit
Discharged 0.0245 mg/L against a permitted limit of 0.018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
219% over limit
Discharged 11.5769999 kg/d against a permitted limit of 3.63199997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
601% over limit
Discharged 2586.89197826 kg/d against a permitted limit of 369.1019969 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Oil and grease
12% over limit
Discharged 2.02483998 kg/d against a permitted limit of 1.81599998 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Sulfate, total [as SO4]
5% over limit
Discharged 79.58619933 kg/d against a permitted limit of 75.81799936 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 59 NTU against a permitted limit of 50 NTU (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
318% over limit
Discharged 209 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
1% over limit
Discharged 0.0393 mg/L against a permitted limit of 0.039 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 100 NTU against a permitted limit of 75 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Phenols
1536% over limit
Discharged 3.11897997 kg/d against a permitted limit of 0.19068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
60% over limit
Discharged 393.61799669 kg/d against a permitted limit of 246.06799793 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 200 NTU against a permitted limit of 75 NTU (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
67% over limit
Discharged 0.0005 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Turbidity
0% over limit
Discharged 440 NTU against a permitted limit of 75 NTU (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
E. coli
3262% over limit
Discharged 7900 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Di[2-ethylhexyl] phthalate [DEHP]
1800% over limit
Discharged 0.86259999 kg/d against a permitted limit of 0.0454 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
4150% over limit
Discharged 17000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
3262% over limit
Discharged 7900 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
50% over limit
Discharged 0.01362 kg/d against a permitted limit of 0.00908 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
200% over limit
Discharged 0.01362 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2025
Coliform, fecal general
1875% over limit
Discharged 7900 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
581% over limit
Discharged 1600 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
24% over limit
Discharged 0.02235 mg/L against a permitted limit of 0.018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
5400% over limit
Discharged 22000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
9262% over limit
Discharged 22000 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
100% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
375% over limit
Discharged 0.08626 kg/d against a permitted limit of 0.01816 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
September 30, 2025
Lead, total recoverable
36% over limit
Discharged 0.015 mg/L against a permitted limit of 0.011 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
109% over limit
Discharged 0.0418 mg/L against a permitted limit of 0.02 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
1985% over limit
Discharged 4900 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
22900% over limit
Discharged 92000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
250% over limit
Discharged 12.71199989 kg/d against a permitted limit of 3.63199997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
40% over limit
Discharged 0.006356 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
5900% over limit
Discharged 24000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Phenols
45% over limit
Discharged 1.45 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
223% over limit
Discharged 0.0581 mg/L against a permitted limit of 0.018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
1304% over limit
Discharged 3300 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Chlorine, total residual
110% over limit
Discharged 0.21 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
581% over limit
Discharged 1600 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
115% over limit
Discharged 12.71199989 kg/d against a permitted limit of 5.90199995 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
180% over limit
Discharged 84 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
7% over limit
Discharged 0.0418 mg/L against a permitted limit of 0.039 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
1125% over limit
Discharged 4900 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
320% over limit
Discharged 84 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
49% over limit
Discharged 0.0581 mg/L against a permitted limit of 0.039 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phenols
14% over limit
Discharged 0.21792 kg/d against a permitted limit of 0.19068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
June 30, 2025
Solids, total suspended
165% over limit
Discharged 199 mg/L against a permitted limit of 75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
4% over limit
Discharged 52 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
298% over limit
Discharged 199 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, settleable
120% over limit
Discharged 0.00022 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
50% over limit
Discharged 30 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
127% over limit
Discharged 170 mg/L against a permitted limit of 75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
233% over limit
Discharged 0.001 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
50% over limit
Discharged 30 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
524% over limit
Discharged 59.4739995 kg/d against a permitted limit of 9.53399992 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
323% over limit
Discharged 59.4739995 kg/d against a permitted limit of 14.07399988 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
150% over limit
Discharged 9.07999992 kg/d against a permitted limit of 3.63199997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
54% over limit
Discharged 9.07999992 kg/d against a permitted limit of 5.90199995 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
200% over limit
Discharged 0.0003 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
May 31, 2025
Chloride [as Cl]
391% over limit
Discharged 491 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
April 30, 2025
E. coli
3262% over limit
Discharged 7900 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
15% over limit
Discharged 0.0207 mg/L against a permitted limit of 0.018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
368% over limit
Discharged 1100 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
81% over limit
Discharged 0.0362 mg/L against a permitted limit of 0.02 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
156% over limit
Discharged 0.04615 mg/L against a permitted limit of 0.018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
581% over limit
Discharged 1600 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
131% over limit
Discharged 0.0901 mg/L against a permitted limit of 0.039 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
1125% over limit
Discharged 4900 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
725% over limit
Discharged 3300 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
5900% over limit
Discharged 24000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
100% over limit
Discharged 0.00908 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
March 31, 2025
E. coli
49% over limit
Discharged 350 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
581% over limit
Discharged 1600 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
388% over limit
Discharged 975 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
80% over limit
Discharged 54 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phenols
40% over limit
Discharged 0.26786 kg/d against a permitted limit of 0.19068 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
3238% over limit
Discharged 6675 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Coliform, fecal general
3150% over limit
Discharged 13000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
3% over limit
Discharged 31 mg/L against a permitted limit of 30 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
5065% over limit
Discharged 6508.5 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
5432% over limit
Discharged 13000 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
48% over limit
Discharged 186.5 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Copper, total recoverable
31% over limit
Discharged 0.02357 mg/L against a permitted limit of 0.018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
563% over limit
Discharged 2447.96797943 kg/d against a permitted limit of 369.1019969 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
330% over limit
Discharged 0.00043 mg/L against a permitted limit of 0.0001 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
76% over limit
Discharged 6.39776795 kg/d against a permitted limit of 3.63199997 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
155% over limit
Discharged 127.63 mg/L against a permitted limit of 50 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
254% over limit
Discharged 20.88399982 kg/d against a permitted limit of 5.90199995 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
71% over limit
Discharged 420.23601647 kg/d against a permitted limit of 246.06799793 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
797% over limit
Discharged 673 mg/L against a permitted limit of 75 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
300% over limit
Discharged 1600 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
4% over limit
Discharged 0.0406 mg/L against a permitted limit of 0.039 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, settleable
733% over limit
Discharged 0.0025 mg/L against a permitted limit of 0.0003 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
725% over limit
Discharged 3300 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
February 28, 2025
Coliform, fecal general
5900% over limit
Discharged 24000 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
130% over limit
Discharged 0.010442 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
E. coli
291% over limit
Discharged 920 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
9437% over limit
Discharged 12016.5 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Copper, total recoverable
114% over limit
Discharged 0.0833 mg/L against a permitted limit of 0.039 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Coliform, fecal general
130% over limit
Discharged 920 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Coliform, fecal general
163% over limit
Discharged 525 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Copper, total recoverable
26% over limit
Discharged 0.114408 kg/d against a permitted limit of 0.0908 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
725% over limit
Discharged 3300 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
285% over limit
Discharged 484.5 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Copper, total recoverable
56% over limit
Discharged 0.30418 kg/d against a permitted limit of 0.19522 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
10113% over limit
Discharged 24000 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
E. coli
879% over limit
Discharged 2300 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
126% over limit
Discharged 0.0406 mg/L against a permitted limit of 0.018 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
5920% over limit
Discharged 12039.5 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
January 31, 2025
Temperature, water deg. fahrenheit
1% over limit
Discharged 87 deg F against a permitted limit of 86 deg F (INST MAX)
DMR, Limited - Numeric Violation
Chlorine, total residual
1560% over limit
Discharged 1.66 mg/L against a permitted limit of 0.1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
180% over limit
Discharged 0.012712 kg/d against a permitted limit of 0.00454 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
360% over limit
Discharged 920 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
E. coli
19% over limit
Discharged 280 MPN/100mL against a permitted limit of 235 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
40% over limit
Discharged 0.012712 kg/d against a permitted limit of 0.00908 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
122% over limit
Discharged 280 MPN/100mL against a permitted limit of 126 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Coliform, fecal general
725% over limit
Discharged 3300 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
Di[2-ethylhexyl] phthalate [DEHP]
57% over limit
Discharged 0.0094 mg/L against a permitted limit of 0.006 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
1550% over limit
Discharged 3300 MPN/100mL against a permitted limit of 200 MPN/100mL (GEO MEAN)
DMR, Limited - Numeric Violation
Chlorine, total residual
277% over limit
Discharged 1.84777998 kg/d against a permitted limit of 0.49032 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
64% over limit
Discharged 0.0328 mg/L against a permitted limit of 0.02 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
130% over limit
Discharged 920 MPN/100mL against a permitted limit of 400 MPN/100mL (MAXIMUM)
DMR, Limited - Numeric Violation
August 31, 2024
Temperature, water deg. fahrenheit
1% over limit
Discharged 87.2 deg F against a permitted limit of 86 deg F (INST MAX)
DMR, Limited - Numeric Violation
Copper, total recoverable
4784% over limit
Discharged 9.53399992 kg/d against a permitted limit of 0.19522 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total recoverable
10400% over limit
Discharged 9.53399992 kg/d against a permitted limit of 0.0908 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Chloride [as Cl]
131% over limit
Discharged 231 mg/L against a permitted limit of 100 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
July 31, 2024
Lead, total recoverable
46733% over limit
Discharged 25.51479979 kg/d against a permitted limit of 0.05448 kg/d (MO AVG)
DMR, Limited - Numeric Violation
Lead, total recoverable
24335% over limit
Discharged 25.51479979 kg/d against a permitted limit of 0.10442 kg/d (DAILY MX)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (24 days ago)