Clean Water Act discharge permit · NPDES TN0022667
DOVER STP, Dover, TN: NPDES TN0022667 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 18Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
DOVER STP, held by Town of Dover, holds NPDES permit TN0022667, which discharges to Cumberland-Lower-Barkley Lake. EPA’s file records it issued March 1, 2020 and expiring May 31, 2025. 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 | DOVER STP |
|---|---|
| Permittee as filed | Town of Dover |
| NPDES ID | TN0022667 |
| 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 | March 1, 2020 |
| Expiration date | May 31, 2025 |
| Issuing agency | TDEC - DWR |
| Address | Dover, TN 37058 |
| Receiving water | Cumberland-Lower-Barkley Lake |
| Subwatershed | Dyers Creek-Cumberland River (HUC 051302050405) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 23Pollutants on file
- 18Under a numeric limit
- 18With 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 |
|---|---|---|---|---|---|
| SSO, Wet Weather | 3 | 27 | 27 | July 31, 2026 | 2,147,483,650% over the limit |
| Solids, total suspended | 7 | 49 | 10 | April 30, 2008 | 21,558% over the limit |
| Solids, suspended percent removal | 2 | 22 | 10 | May 31, 2006 | 4,325% over the limit |
| BOD, 5-day, percent removal | 2 | 26 | 9 | November 30, 2005 | 87% over the limit |
| SSO, Dry Weather | 3 | 7 | 7 | April 30, 2025 | 2,147,483,650% over the limit |
| BOD, 5-day, 20 deg. C | 7 | 51 | 4 | November 30, 2006 | 1,544% over the limit |
| Solids, settleable | 1 | 7 | 4 | May 31, 2006 | 400% over the limit |
| pH | 2 | 8 | 2 | August 31, 2008 | |
| E. coli, MTEC-MF | 0 | 3 | 2 | November 30, 2006 | 99,999% over the limit |
| E. coli | 2 | 2 | 2 | January 31, 2026 | 19% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 12 | 0 | ||
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 6 | 0 | ||
| Overflows | 0 | 6 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Chlorine, total residual | 0 | 3 | 0 | ||
| Bypass valve | 0 | 3 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 1 | 1 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 1 | 1 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| Release [Sewer], Dry Weather | 2 | 0 | 0 | ||
| Release [Sewer], Wet Weather | 2 | 0 | 0 | ||
| Bypass of Treatment Facility | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 5, 2024 | Pretreatment - Failure to Enforce Against I/U | ST6 |
| November 10, 2021 | Pretreatment - Failure to Establish Local Limits | ST6 |
| November 9, 2017 | Pretreatment - Failure to Conduct Inspections | ST6 |
| November 9, 2017 | Pretreatment - Failure to Develop/Enforce Standards | ST6 |
| March 31, 2017 | Monitoring Violations - Analysis not Conducted | ST6 |
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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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 TN0022667 there.
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- Every permit record in Tennessee, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.