MADISON, CITY OF (INDIAN CREEK WRF)
NPDES ID: GA0038741
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
This quarter: 4 effluent violations, 64 reporting violations.
Violations
May 31, 2026
Copper, total recoverable
13% over limit
Discharged 0.011 mg/L against a permitted limit of 0.0097 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
49% over limit
Discharged 0.011 mg/L against a permitted limit of 0.0074 mg/L (MO AVG)
DMR, Limited - Numeric Violation
April 30, 2026
Phosphorus, total [as P]
0% over limit
Discharged 0.4086 kg/d against a permitted limit of 3.76819997 kg/d (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 8.2 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Phosphate, ortho [as P]
0% over limit
Discharged 0.312 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 5.85659995 kg/d against a permitted limit of 47.2159996 kg/d (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 9.3 mg/L against a permitted limit of 15 mg/L (WKLY AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.7 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.01 mg/L (MAXIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 358.20599699 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 2.18373998 kg/d against a permitted limit of 12.2579999 kg/d (MO AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 445 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 463 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.18 MGD against a permitted limit of 1.25 MGD (WKLY AVG)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 568 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Nitrogen, organic total [as N]
0% over limit
Discharged 1.5 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (MINIMUM)
DMR, Monitor Only - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (MINIMUM)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0.0056 mg/L against a permitted limit of 0.0074 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.16 MGD against a permitted limit of 1 MGD (MO AVG)
DMR, Limited - Overdue
Nitrite + Nitrate total [as N]
0% over limit
Discharged 3.4 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 4.2 mg/L against a permitted limit of 20 mg/L (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0.003178 kg/d against a permitted limit of 0.036774 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 344 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 463.9879961 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0.08 mg/L against a permitted limit of 0.11480001 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 9.82909992 kg/d against a permitted limit of 94.8859992 kg/d (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
179% over limit
Discharged 13.37 mg/L against a permitted limit of 4.8 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
179% over limit
Discharged 13.37 mg/L against a permitted limit of 4.8 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 126 MPN/100mL (MOAV GEO)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 4.8 mg/L against a permitted limit of 10 mg/L (MO AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0.003178 kg/d against a permitted limit of 0.028148 kg/d (MO AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.4994 kg/d against a permitted limit of 4.72159996 kg/d (WKLY AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0.9 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.4 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 5 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0.0056 mg/L against a permitted limit of 0.0097 mg/L (WKLY AVG)
DMR, Limited - Overdue
Oxygen, dissolved [DO]
0% over limit
Discharged 7.7 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Overdue
NOEC Sub-Lethal Static Renewal 7 Day Chronic Pimephales promelas
0% over limit
Discharged 0 % against a permitted limit of 0 % (MINIMUM)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 410 MPN/100mL (WKAV GEO)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
9% over limit
Discharged 3.49 mg/L against a permitted limit of 3.2 mg/L (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
9% over limit
Discharged 3.49 mg/L against a permitted limit of 3.2 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0.0437202 kg/d against a permitted limit of 0.434478 kg/d (WKLY AVG)
DMR, Limited - Overdue
Solids, suspended percent removal
0% over limit
Discharged 98 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 1.6 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 362.74599695 kg/d against a permitted limit of 0 kg/d (WKLY AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0.08 mg/L against a permitted limit of 0.11480001 mg/L (WKLY AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0.0437202 kg/d against a permitted limit of 0.434478 kg/d (MO AVG)
DMR, Limited - Overdue
NOEC Lethal Static Renewal 7 Day Chronic Ceriodaphnia dubia
0% over limit
Discharged 0 % against a permitted limit of 0 % (MINIMUM)
DMR, Monitor Only - Overdue
BOD, 5-day, percent removal
0% over limit
Discharged 99 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Overdue
BOD, 5-day, 20 deg. C
0% over limit
Discharged 2.90559998 kg/d against a permitted limit of 37.68199968 kg/d (MO AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 277.39399767 kg/d against a permitted limit of 0 kg/d (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 15.7 mg/L against a permitted limit of 30 mg/L (WKLY AVG)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 4.31299996 kg/d against a permitted limit of 75.81799936 kg/d (MO AVG)
DMR, Limited - Overdue
Nitrogen, ammonia total [as N]
0% over limit
Discharged 8.38537993 kg/d against a permitted limit of 14.98199987 kg/d (WKLY AVG)
DMR, Limited - Overdue
March 31, 2026
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0074 mg/L (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11480001 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, suspended percent removal
7% over limit
Discharged 84 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.028148 kg/d (MO AVG)
DMR, Limited - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.434478 kg/d (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, Kjeldahl, total [as N]
0% over limit
Discharged 0 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 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Copper, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.036774 kg/d (WKLY AVG)
DMR, Limited - Overdue
Copper, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.0097 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, organic total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Nitrogen, ammonia total [as N]
252% over limit
Discharged 16.9 mg/L against a permitted limit of 4.8 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Zinc, total recoverable
0% over limit
Discharged 0 mg/L against a permitted limit of 0.11480001 mg/L (WKLY AVG)
DMR, Limited - Overdue
Nitrogen, total [as N]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Zinc, total recoverable
0% over limit
Discharged 0 kg/d against a permitted limit of 0.434478 kg/d (MO AVG)
DMR, Limited - Overdue
November 30, 2025
Nitrogen, ammonia total [as N]
10% over limit
Discharged 5.3 mg/L against a permitted limit of 4.8 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
September 30, 2025
Solids, suspended percent removal
33% over limit
Discharged 80 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
August 31, 2025
Solids, suspended percent removal
20% over limit
Discharged 82 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
April 30, 2025
Solids, suspended percent removal
60% over limit
Discharged 76 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
March 31, 2025
Copper, total recoverable
1137% over limit
Discharged 0.12000001 mg/L against a permitted limit of 0.0097 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
1522% over limit
Discharged 0.12000001 mg/L against a permitted limit of 0.0074 mg/L (MO AVG)
DMR, Limited - Numeric Violation
February 28, 2025
Copper, total recoverable
1522% over limit
Discharged 0.12000001 mg/L against a permitted limit of 0.0074 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
1137% over limit
Discharged 0.12000001 mg/L against a permitted limit of 0.0097 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
209% over limit
Discharged 0.1135 kg/d against a permitted limit of 0.036774 kg/d (WKLY AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
303% over limit
Discharged 0.1135 kg/d against a permitted limit of 0.028148 kg/d (MO AVG)
DMR, Limited - Numeric Violation
December 31, 2024
Solids, suspended percent removal
80% over limit
Discharged 73 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
November 30, 2024
Phosphorus, total [as P]
93% over limit
Discharged 2.9 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
110% over limit
Discharged 2.1 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Copper, total recoverable
10% over limit
Discharged 0.011 mg/L against a permitted limit of 0.01 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
33% over limit
Discharged 4 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
Copper, total recoverable
45% over limit
Discharged 0.011 mg/L against a permitted limit of 0.0076 mg/L (MO AVG)
DMR, Limited - Numeric Violation
October 31, 2024
Phosphorus, total [as P]
40% over limit
Discharged 2.1 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
33% over limit
Discharged 4 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
September 30, 2024
Phosphorus, total [as P]
10% over limit
Discharged 1.1 mg/L against a permitted limit of 1 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Phosphorus, total [as P]
27% over limit
Discharged 1.9 mg/L against a permitted limit of 1.5 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
Oxygen, dissolved [DO]
5% over limit
Discharged 5.7 mg/L against a permitted limit of 6 mg/L (MINIMUM)
DMR, Limited - Numeric Violation
Solids, suspended percent removal
13% over limit
Discharged 83 % against a permitted limit of 85 % (MINIMUM)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
17% over limit
Discharged 4.2 mg/L against a permitted limit of 3.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
BOD, 5-day, 20 deg. C
7% over limit
Discharged 5.8 mg/L against a permitted limit of 5.4 mg/L (WKLY AVG)
DMR, Limited - Numeric Violation
August 31, 2024
BOD, 5-day, 20 deg. C
14% over limit
Discharged 4.1 mg/L against a permitted limit of 3.6 mg/L (MO AVG)
DMR, Limited - Numeric Violation
Coliform, fecal general
50% over limit
Discharged 300.4 MPN/100mL against a permitted limit of 200 MPN/100mL (MOAV GEO)
DMR, Limited - Numeric Violation
Coliform, fecal general
639% over limit
Discharged 2956 MPN/100mL against a permitted limit of 400 MPN/100mL (WKAV GEO)
DMR, Limited - Numeric Violation
First flagged
April 14, 2026 (4 months ago)
Last confirmed
August 15, 2026 (11 hours ago)