Clean Water Act discharge permit · NPDES GA0020974
THOMSON, CITY OF (THOMSON WPCP), Thomson, GA: NPDES GA0020974 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MajorDischarger class
- 22Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
THOMSON, CITY OF (THOMSON WPCP), held by City of Thomson, holds NPDES permit GA0020974. EPA’s file records it issued February 27, 2019 and expiring February 29, 2024. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | THOMSON, CITY OF (THOMSON WPCP) |
|---|---|
| Permittee as filed | City of Thomson |
| NPDES ID | GA0020974 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | February 27, 2019 |
| Expiration date | February 29, 2024 |
| Address | Thomson, GA 30824 |
| Subwatershed | Middle Creek-Big Creek (HUC 030601050302) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 22Pollutants on file
- 22Under a numeric limit
- 13With a violation of any kind
- 9With an effluent exceedance
An effluent exceedance is a discharge monitoring report value over the permit’s numeric limit (EPA’s violation code E90). A violation of any kind also counts a report not filed. Each row is EPA’s own count for that pollutant.
| Pollutant or measure | Limits | Violations, any kind | Effluent exceedances | Latest exceedance | Largest exceedance, as filed |
|---|---|---|---|---|---|
| BOD, 5-day, 20 deg. C | 8 | 37 | 29 | February 28, 2015 | 1,820% over the limit |
| Oxygen, dissolved [DO] | 5 | 26 | 23 | September 30, 2024 | 72% over the limit |
| Flow, in conduit or thru treatment plant | 2 | 23 | 21 | August 31, 2025 | 13,820% over the limit |
| Solids, total suspended | 8 | 23 | 15 | October 31, 2010 | 630% over the limit |
| Solids, suspended percent removal | 1 | 17 | 15 | December 31, 2009 | 567% over the limit |
| pH | 10 | 14 | 11 | March 31, 2011 | |
| BOD, 5-day, percent removal | 1 | 10 | 9 | December 31, 2009 | 567% over the limit |
| Nitrogen, ammonia total [as N] | 16 | 10 | 6 | April 30, 2023 | 58% over the limit |
| Coliform, fecal general | 2 | 7 | 5 | June 30, 2008 | 99,999% over the limit |
| Temperature, water deg. fahrenheit | 8 | 4 | 0 | ||
| Phosphorus, total [as P] | 1 | 2 | 0 | ||
| Chlorine, total residual | 1 | 1 | 0 | ||
| Solids, sludge, total, dry weight | 1 | 1 | 0 | ||
| Hardness, total [as CaCO3] | 2 | 0 | 0 | ||
| Nitrogen, organic total [as N] | 1 | 0 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 0 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 0 | 0 | ||
| Nickel, total recoverable | 1 | 0 | 0 | ||
| Zinc, total recoverable | 1 | 0 | 0 | ||
| Phosphate, ortho [as P] | 1 | 0 | 0 | ||
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| Noel Statre 7Day Chronic Pimephales | 1 | 0 | 0 |
Cited to the EPA ICIS-NPDES limits and effluent violations files (ECHO download); up to 60 rows shown, most exceedances first.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES GA0020974.
Velarion’s copy of EPA’s ICIS-NPDES files does not include the inspections, formal enforcement actions and informal enforcement actions files, so this page shows none of them. EPA’s free Detailed Facility Report on ECHO lists this permit’s inspections, enforcement actions and penalties.
Cited to the EPA ICIS-NPDES violation, inspection and enforcement files (ECHO download); up to 50 rows of each shown, newest first.
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Nearby on the register
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- Every permit record in Thomson, A to Z
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- Every permit record in Georgia, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.