Clean Water Act discharge permit · NPDES TN0020702
NEWPORT STP, Newport, TN: NPDES TN0020702 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 20Pollutants under a numeric limit
- 13Pollutants with an effluent exceedance
NEWPORT STP, held by City of Newport, holds NPDES permit TN0020702, which discharges to Pigeon. EPA’s file records it issued April 1, 2020 and expiring March 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 | NEWPORT STP |
|---|---|
| Permittee as filed | City of Newport |
| NPDES ID | TN0020702 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | April 1, 2020 |
| Expiration date | March 31, 2025 |
| Issuing agency | TDEC - DWR |
| Address | Newport, TN 37821 |
| Receiving water | Pigeon |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Pigeon River-English Creek (HUC 060101060403) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 24Pollutants on file
- 20Under a numeric limit
- 21With a violation of any kind
- 13With 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, carbonaceous [5 day, 20 C] | 7 | 16 | 9 | January 31, 2026 | 133% over the limit |
| Nitrogen, ammonia total [as N] | 5 | 19 | 8 | April 30, 2023 | 104% over the limit |
| Solids, total suspended | 7 | 12 | 5 | October 31, 2024 | 280% over the limit |
| Chlorine, total residual | 1 | 5 | 4 | January 31, 2026 | 113% over the limit |
| E. coli, MTEC-MF | 0 | 5 | 3 | January 31, 2018 | 155% over the limit |
| SSO, Dry Weather | 2 | 3 | 3 | December 31, 2025 | 2,147,483,650% over the limit |
| SSO, Wet Weather | 2 | 3 | 3 | June 30, 2026 | 2,147,483,650% over the limit |
| pH | 2 | 9 | 2 | September 30, 2017 | |
| E. coli | 2 | 2 | 2 | January 31, 2026 | 323% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 7 | 1 | February 28, 2018 | 8% over the limit |
| Solids, suspended percent removal | 2 | 3 | 1 | February 28, 2003 | 60% over the limit |
| Solids, settleable | 1 | 2 | 1 | February 28, 2003 | 400% over the limit |
| BOD, carbonaceous, percent removal | 2 | 1 | 1 | February 28, 2023 | 9% over the limit |
| Nitrogen, total [as N] | 2 | 8 | 0 | ||
| Phosphorus, total [as P] | 2 | 8 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 1 | 7 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| Overflows | 0 | 2 | 0 | ||
| Bypass valve | 0 | 2 | 0 | ||
| Carbonaceous oxygen demand, % removal | 0 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 1 | 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
- 3Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| September 30, 2018 | Monitoring Violations - Analysis not Conducted | ST6 |
| September 30, 2018 | Pretreatment - Failure to Meet Inspection and Sampling Plan for SIUs | ST6 |
| March 29, 2017 | Pretreatment - Failure to submit required report (non-DMR) | 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.
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 TN0020702 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.