THOMSON, CITY OF (BIG CREEK WTP)
NPDES ID: GAG640121
D — SNC: Discharge monitoring report not received
The facility didn't submit its required discharge monitoring report.
Violations
February 28, 2026
Solids, total suspended
0% over limit
Discharged 19.3 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MOAV GEO)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.19 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.57 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.62 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (MAXIMUM)
DMR, Limited - Overdue
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.57 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (WKAV GEO)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 19.3 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.19 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Iron, total recoverable
0% over limit
Discharged 0.62 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
January 31, 2026
Solids, total suspended
0% over limit
Discharged 19.9 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (WKAV GEO)
DMR, Monitor Only - Overdue
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.58 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
E. coli
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MOAV GEO)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.66 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.66 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 19.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 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 0.12 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Iron, total recoverable
0% over limit
Discharged 0.58 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 0.12 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (MAXIMUM)
DMR, Limited - Overdue
October 31, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
September 30, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
August 31, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
July 31, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
June 30, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
May 31, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
April 30, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
March 31, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
February 28, 2025
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
January 31, 2025
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.82 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.55 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 0.14 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 16.5 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (WKAV GEO)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.82 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MOAV GEO)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.14 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.55 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 16.5 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
December 31, 2024
Phosphorus, total [as P]
0% over limit
Discharged 0 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 0.14 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MOAV GEO)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 16.4 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (WKAV GEO)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.55 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Iron, total recoverable
0% over limit
Discharged 0.55 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 16.4 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 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 0.14 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.82 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.82 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
October 31, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.11 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MOAV GEO)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.11 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (WKAV GEO)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.52 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.74 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.6 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
pH
0% over limit
Discharged 6.6 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 21.4 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.52 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 21.4 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
Iron, total recoverable
0% over limit
Discharged 0.74 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
August 31, 2024
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.16 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.77 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 0.16 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.49 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 19 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.49 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.77 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (WKAV GEO)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MOAV GEO)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 19 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
July 31, 2024
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (MOAV GEO)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 6 SU (MINIMUM)
DMR, Limited - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
Phosphorus, total [as P]
0% over limit
Discharged 0 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.91 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 0.13 MGD against a permitted limit of 0 MGD (WKLY AVG)
DMR, Monitor Only - Overdue
Solids, total suspended
0% over limit
Discharged 15.9 mg/L against a permitted limit of 45 mg/L (WKLY AVG)
DMR, Limited - Overdue
Chlorine, total residual
0% over limit
Discharged 0 mg/L against a permitted limit of 0.011 mg/L (DAILY MX)
DMR, Limited - Overdue
Flow, in conduit or thru treatment plant
0% over limit
Discharged 0.13 MGD against a permitted limit of 0 MGD (MO AVG)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.72 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
Coliform, fecal general
0% over limit
Discharged 0 MPN/100mL against a permitted limit of 0 MPN/100mL (WKAV GEO)
DMR, Monitor Only - Overdue
Solids, sludge, total, dry weight
0% over limit
Discharged 0 kg against a permitted limit of 0 kg (MO TOTAL)
DMR, Monitor Only - Overdue
Iron, total recoverable
0% over limit
Discharged 0.72 mg/L against a permitted limit of 0 mg/L (WKLY AVG)
DMR, Monitor Only - Overdue
pH
0% over limit
Discharged 6.5 SU against a permitted limit of 8.5 SU (MAXIMUM)
DMR, Limited - Overdue
Solids, total suspended
0% over limit
Discharged 15.9 mg/L against a permitted limit of 30 mg/L (MO AVG)
DMR, Limited - Overdue
Aluminum, total recoverable
0% over limit
Discharged 0.91 mg/L against a permitted limit of 0 mg/L (MO AVG)
DMR, Monitor Only - Overdue
First flagged
April 14, 2026 (3 months ago)
Last confirmed
July 13, 2026 (23 days ago)