Clean Water Act discharge permit · NPDES TN0022985
DECATURVILLE WWTP, Decaturville, TN: NPDES TN0022985 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 20Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
DECATURVILLE WWTP, held by Town of Decaturville, holds NPDES permit TN0022985, which discharges to Tennessee Western Valley-Beech. EPA’s file records it issued January 1, 2019 and expiring November 30, 2023. 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 | DECATURVILLE WWTP |
|---|---|
| Permittee as filed | Town of Decaturville |
| NPDES ID | TN0022985 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | January 1, 2019 |
| Expiration date | November 30, 2023 |
| Issuing agency | TDEC - DWR |
| Address | Decaturville, TN 38329 |
| Receiving water | Tennessee Western Valley-Beech |
| Subwatershed | Beech River Outlet (HUC 060400010808) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 25Pollutants on file
- 20Under a numeric limit
- 19With a violation of any kind
- 10With 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 |
|---|---|---|---|---|---|
| Nitrogen, ammonia total [as N] | 10 | 78 | 43 | April 30, 2026 | 2,344% over the limit |
| Solids, suspended percent removal | 2 | 31 | 18 | December 31, 2025 | 527% over the limit |
| Carbonaceous oxygen demand, % removal | 0 | 25 | 15 | December 31, 2008 | 95% over the limit |
| Solids, total suspended | 7 | 46 | 11 | September 30, 2024 | 416% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 12 | 43 | 7 | October 31, 2024 | 181% over the limit |
| E. coli | 2 | 3 | 3 | April 30, 2024 | 99,999% over the limit |
| Chlorine, total residual | 1 | 7 | 2 | April 30, 2026 | 8,991% over the limit |
| Oxygen, dissolved [DO] | 1 | 6 | 1 | May 31, 2019 | 13% over the limit |
| SSO, Dry Weather | 3 | 1 | 1 | July 31, 2019 | 2,147,483,650% over the limit |
| SSO, Wet Weather | 3 | 1 | 1 | September 30, 2024 | 2,147,483,650% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 21 | 0 | ||
| Overflows | 0 | 13 | 0 | ||
| pH | 2 | 10 | 0 | ||
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 10 | 0 | ||
| Bypass valve | 0 | 10 | 0 | ||
| Solids, settleable | 1 | 5 | 0 | ||
| Nitrogen, total [as N] | 1 | 2 | 0 | ||
| Phosphorus, total [as P] | 1 | 2 | 0 | ||
| E. coli, MTEC-MF | 0 | 2 | 0 | ||
| Release [Sewer], Dry Weather | 2 | 0 | 0 | ||
| Release [Sewer], Wet Weather | 2 | 0 | 0 | ||
| Bypass of Treatment Facility | 2 | 0 | 0 | ||
| BOD, carbonaceous, percent removal | 2 | 0 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 0 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 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 TN0022985.
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.
Watch this permit
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EPA publishes a free Detailed Facility Report for every permit on ECHO: its compliance status quarter by quarter, its inspections, and its enforcement actions and penalties. EPA also sends free notices of new inspections and enforcement actions through ECHO Notify; enter NPDES ID TN0022985 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.