Clean Water Act discharge permit · NPDES TN0061743
KNOXVILLE UTILITIES BOARD - EAST BRIDGE STP, Knoxville, TN: NPDES TN0061743 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 18Pollutants under a numeric limit
- 10Pollutants with an effluent exceedance
KNOXVILLE UTILITIES BOARD - EAST BRIDGE STP, held by Knoxville Utilities Board (KUB), holds NPDES permit TN0061743, which discharges to Holston. EPA’s file records it issued November 29, 2019 and expiring November 30, 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 | KNOXVILLE UTILITIES BOARD - EAST BRIDGE STP |
|---|---|
| Permittee as filed | Knoxville Utilities Board (KUB) |
| NPDES ID | TN0061743 |
| 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 | November 29, 2019 |
| Expiration date | November 30, 2024 |
| Issuing agency | TDEC - DWR |
| Address | Knoxville, TN 37806 |
| Receiving water | Holston |
| Subwatershed | Holston River-Clift Creek (HUC 060101040307) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 25Pollutants on file
- 18Under 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 7 | 22 | 11 | March 31, 2025 | 220% over the limit |
| Nitrogen, ammonia total [as N] | 5 | 9 | 4 | August 31, 2011 | 6,400% over the limit |
| SSO, Dry Weather | 1 | 3 | 3 | September 30, 2024 | 2,147,483,650% over the limit |
| E. coli, MTEC-MF | 0 | 6 | 2 | January 31, 2019 | 187% over the limit |
| E. coli | 2 | 2 | 2 | September 30, 2025 | 485% over the limit |
| Solids, suspended percent removal | 2 | 5 | 1 | February 28, 2019 | 30% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 5 | 1 | January 31, 2001 | 220% over the limit |
| Solids, settleable | 1 | 2 | 1 | February 28, 2002 | 250% over the limit |
| Chlorine, total residual | 1 | 2 | 1 | May 31, 2002 | 430% over the limit |
| SSO, Wet Weather | 1 | 1 | 1 | February 28, 2026 | 2,147,483,650% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 7 | 59 | 0 | ||
| Overflows | 0 | 28 | 0 | ||
| Carbonaceous oxygen demand, % removal | 0 | 18 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 0 | 8 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 0 | 8 | 0 | ||
| Bypass valve | 0 | 7 | 0 | ||
| Flow, in conduit or thru treatment plant | 4 | 4 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Nitrogen, total [as N] | 2 | 0 | 0 | ||
| Phosphorus, total [as P] | 2 | 0 | 0 | ||
| BOD, carbonaceous, percent removal | 2 | 0 | 0 | ||
| Bypass of Treatment Facility | 1 | 0 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 0 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 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 TN0061743.
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 TN0061743 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.