Clean Water Act discharge permit · NPDES TN0024449
COPPERHILL STP, Copperhill, TN: NPDES TN0024449 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 12Pollutants under a numeric limit
- 6Pollutants with an effluent exceedance
COPPERHILL STP, held by City of Copperhill, holds NPDES permit TN0024449, which discharges to Ocoee. EPA’s file records it issued October 1, 2016 and expiring September 30, 2021. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | COPPERHILL STP |
|---|---|
| Permittee as filed | City of Copperhill |
| NPDES ID | TN0024449 |
| 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 | October 1, 2016 |
| Expiration date | September 30, 2021 |
| Issuing agency | TDEC - DWR |
| Address | Copperhill, TN 37317 |
| Receiving water | Ocoee |
| Subwatershed | Fightingtown Creek (HUC 060200030206) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 12Under a numeric limit
- 12With a violation of any kind
- 6With 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, percent removal | 2 | 17 | 13 | May 31, 2007 | 87% over the limit |
| Solids, suspended percent removal | 2 | 14 | 10 | May 31, 2007 | 144% over the limit |
| Solids, total suspended | 7 | 17 | 3 | December 31, 2011 | 296% over the limit |
| Chlorine, total residual | 1 | 5 | 3 | January 31, 2023 | 757% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 15 | 1 | December 31, 2001 | 15% over the limit |
| Solids, settleable | 1 | 3 | 1 | April 30, 2014 | 300% over the limit |
| E. coli, MTEC-MF | 0 | 62 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Overflows | 2 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Bypass valve | 1 | 3 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| E. coli | 2 | 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 TN0024449.
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 TN0024449 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.