WEST SWANZY W W T P
NPDES ID: NHG580015
E — SNC: Effluent violation (monthly average limit)
The facility discharged more of a pollutant than its permit allows, based on a monthly average.
This quarter: 6 effluent violations.
Violations
May 31, 2026
Copper, total [as Cu]
74% over limit
Discharged 0.0054 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
75% over limit
Discharged 0.0042 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
520% over limit
Discharged 6.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Phosphorus, total [as P]
810% over limit
Discharged 9.1 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
100% over limit
Discharged 0.0048 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
100% over limit
Discharged 0.0062 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
March 31, 2026
Copper, total [as Cu]
835% over limit
Discharged 0.029 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
1067% over limit
Discharged 0.028 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2026
Copper, total [as Cu]
900% over limit
Discharged 0.031 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
1150% over limit
Discharged 0.03 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2026
Copper, total [as Cu]
352% over limit
Discharged 0.014 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
442% over limit
Discharged 0.013 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
491% over limit
Discharged 2400 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
E. coli
99% over limit
Discharged 251 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 8.1 SU against a permitted limit of 8 SU (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2025
Copper, total [as Cu]
129% over limit
Discharged 0.0055 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
184% over limit
Discharged 0.0088 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
November 30, 2025
Copper, total [as Cu]
481% over limit
Discharged 0.018 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
329% over limit
Discharged 0.0103 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
E. coli
28% over limit
Discharged 520 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2025
Phosphorus, total [as P]
330% over limit
Discharged 4.3 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
LC50 Static 48Hr Acute Pimephales promelas
49% over limit
Discharged 50.9 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
440% over limit
Discharged 5.4 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 7e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanoic acid (PFOA)
0% over limit
Discharged 0.0000015 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 7e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
LC50 Static 48Hr Acute Ceriodaphnia dubia
36% over limit
Discharged 64.4 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Numeric Violation
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorooctanesulfonic acid (PFOS)
0% over limit
Discharged 0.0000015 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 0.0000015 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 7e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorononanoic acid (PFNA)
0% over limit
Discharged 7e-8 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
Perfluorohexanesulfonic acid (PFHxS)
0% over limit
Discharged 0.0000015 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
August 31, 2025
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.36199999 kg/d against a permitted limit of 24.2435998 kg/d (WKLY AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.065 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.053 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.31659999 kg/d against a permitted limit of 27.28539977 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.18039999 kg/d against a permitted limit of 15.16359987 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.67859998 kg/d against a permitted limit of 18.20539985 kg/d (MO AVG)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0.055 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 325 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.79 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4.85779996 kg/d against a permitted limit of 27.28539977 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 14 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4.85779996 kg/d against a permitted limit of 30.32719975 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 340 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.0011 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.0011 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
490% over limit
Discharged 5.9 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
490% over limit
Discharged 5.9 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.8 SU against a permitted limit of 8 SU (MAXIMUM)
DMR, Limited - Overdue
BOD, carbonaceous, percent removal
0% over limit
Discharged 98 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.053 MGD against a permitted limit of 0.16 MGD (ROLL AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.4 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 28 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 96 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 28 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
July 31, 2025
BOD, carbonaceous, percent removal
0% over limit
Discharged 97 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.17919998 kg/d against a permitted limit of 15.16359987 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.13259997 kg/d against a permitted limit of 27.28539977 kg/d (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.097 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 14 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 300 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.0012 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 97 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 14 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.053 MGD against a permitted limit of 0.16 MGD (ROLL AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.4 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 3.13259997 kg/d against a permitted limit of 27.28539977 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 3.13259997 kg/d against a permitted limit of 30.32719975 kg/d (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 215 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 3.13259997 kg/d against a permitted limit of 24.2435998 kg/d (WKLY AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.0011 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0.05 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 6 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 2.17919998 kg/d against a permitted limit of 18.20539985 kg/d (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0.49 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
390% over limit
Discharged 4.9 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
390% over limit
Discharged 4.9 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.063 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.6 SU against a permitted limit of 8 SU (MAXIMUM)
DMR, Limited - Overdue
June 30, 2025
Solids, total suspended
0% over limit
Discharged 7.35479994 kg/d against a permitted limit of 27.28539977 kg/d (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 55 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.081 MGD against a permitted limit of 0 MGD (DAILY MX)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 155 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.72399998 kg/d against a permitted limit of 27.28539977 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 12.2579999 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 7 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 7.35479994 kg/d against a permitted limit of 30.32719975 kg/d (DAILY MX)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 0.5 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
BOD, carbonaceous, percent removal
0% over limit
Discharged 95 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 55 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 10 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.074 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0.74 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 1.90679998 kg/d against a permitted limit of 15.16359987 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 93 % against a permitted limit of 85 % (MO AV MN)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.2 SU against a permitted limit of 6.5 SU (MINIMUM)
DMR, Limited - Overdue
Copper, total [as Cu]
0% over limit
Discharged 0.0023 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 10 mg/L against a permitted limit of 45 mg/L (DAILY MX)
DMR, Limited - Overdue
pH
0% over limit
Discharged 7.7 SU against a permitted limit of 8 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 3.08719997 kg/d against a permitted limit of 18.20539985 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 27 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.073 MGD against a permitted limit of 0.16 MGD (ROLL AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 11 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Aluminum, total [as Al]
0% over limit
Discharged 0.05 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 12.2579999 kg/d against a permitted limit of 0 kg/d (DAILY MX)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 126 MPN/100mL (MO AVG)
DMR, Limited - Overdue
Copper, total [as Cu]
3% over limit
Discharged 0.0032 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Overdue
Copper, total [as Cu]
3% over limit
Discharged 0.0032 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
0% over limit
Discharged 27 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 170 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 1 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 55 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
BOD, carbonaceous [5 day, 20 C]
0% over limit
Discharged 2.72399998 kg/d against a permitted limit of 24.2435998 kg/d (WKLY AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
220% over limit
Discharged 3.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
220% over limit
Discharged 3.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 55 mg/L against a permitted limit of 0 mg/L (DAILY MX)
DMR, Monitor Only - Overdue
May 31, 2025
Phosphorus, total [as P]
580% over limit
Discharged 6.8 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
55% over limit
Discharged 0.0048 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
100% over limit
Discharged 0.0048 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2025
Phosphorus, total [as P]
240% over limit
Discharged 3.4 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
208% over limit
Discharged 0.0074 mg/L against a permitted limit of 0.0024 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total [as Cu]
223% over limit
Discharged 0.01 mg/L against a permitted limit of 0.0031 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
February 28, 2025
BOD, carbonaceous [5 day, 20 C]
43% over limit
Discharged 35.8 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
January 31, 2025
Solids, total suspended
0% over limit
Discharged 2.40619998 kg/d against a permitted limit of 18.20539985 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, carbonaceous [5 day, 20 C]
10% over limit
Discharged 44 mg/L against a permitted limit of 40 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
496% over limit
Discharged 2419.6 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
BOD, carbonaceous [5 day, 20 C]
25% over limit
Discharged 31.2 mg/L against a permitted limit of 25 mg/L (MO AVG)
DMR, Limited - Numeric Violation
pH
0% over limit
Discharged 8.2 SU against a permitted limit of 8 SU (MAXIMUM)
DMR, Limited - Numeric Violation
December 31, 2024
pH
0% over limit
Discharged 8.2 SU against a permitted limit of 8 SU (MAXIMUM)
DMR, Limited - Numeric Violation
November 30, 2024
E. coli
1% over limit
Discharged 411 MPN/100mL against a permitted limit of 406 MPN/100mL (DAILY MX)
DMR, Limited - Numeric Violation
Chlorine, total residual
2% over limit
Discharged 1.02 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
October 31, 2024
Chlorine, total residual
5% over limit
Discharged 1.05 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
160% over limit
Discharged 2.6 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
September 30, 2024
LC50 Static 48Hr Acute Pimephales promelas
29% over limit
Discharged 70.7 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Numeric Violation
LC50 Static 48Hr Acute Ceriodaphnia dubia
65% over limit
Discharged 35.4 % against a permitted limit of 100 % (MO AV MN)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
35% over limit
Discharged 1.35 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
July 31, 2024
Phosphorus, total [as P]
120% over limit
Discharged 2.2 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
28% over limit
Discharged 64 mg/L against a permitted limit of 50 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
6% over limit
Discharged 29.05599976 kg/d against a permitted limit of 27.28539977 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Chlorine, total residual
32% over limit
Discharged 1.32 mg/L against a permitted limit of 1 mg/L (DAILY MX)
DMR, Limited - Numeric Violation
Solids, total suspended
42% over limit
Discharged 64 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Solids, total suspended
7% over limit
Discharged 32 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)