Clean Water Act discharge permit · NPDES TN0057983
BWXT ORDNANCE TENNESSEE, INC., Jonesborough, TN: NPDES TN0057983 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 25Pollutants under a numeric limit
- 8Pollutants with an effluent exceedance
BWXT ORDNANCE TENNESSEE, INC., held by BWXT Ordnance Tennessee, Inc., holds NPDES permit TN0057983, which discharges to Nolichucky. EPA’s file records it issued November 16, 2020 and expiring December 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 | BWXT ORDNANCE TENNESSEE, INC. |
|---|---|
| Permittee as filed | BWXT Ordnance Tennessee, Inc. |
| NPDES ID | TN0057983 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 16, 2020 |
| Expiration date | December 31, 2025 |
| Issuing agency | TDEC - DWR |
| Address | Jonesborough, TN 37659 |
| Receiving water | Nolichucky |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Limestone Creek (HUC 060101080609) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 27Pollutants on file
- 25Under a numeric limit
- 23With a violation of any kind
- 8With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 1 | 22 | 8 | January 31, 2010 | 107% over the limit |
| Solids, total suspended | 12 | 69 | 3 | December 31, 2017 | 44% over the limit |
| Solids, settleable | 6 | 35 | 3 | May 31, 2022 | 100% over the limit |
| pH | 14 | 100 | 2 | December 31, 2005 | |
| Nitrogen, ammonia total [as N] | 12 | 36 | 2 | January 31, 2025 | 124% over the limit |
| Oil & Grease | 10 | 35 | 1 | August 31, 2011 | 6% over the limit |
| Coliform, fecal MF, MFC broth, 44.5 C | 0 | 34 | 1 | June 30, 2003 | 72% over the limit |
| Fluoride, total [as F] | 10 | 33 | 1 | June 30, 2020 | 163% over the limit |
| Flow, in conduit or thru treatment plant | 14 | 80 | 0 | ||
| BOD, 5-day, 20 deg. C | 2 | 35 | 0 | ||
| Temperature, water deg. centigrade | 1 | 16 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 16 | 0 | ||
| Cadmium, total [as Cd] | 10 | 14 | 0 | ||
| Chromium, total [as Cr] | 10 | 14 | 0 | ||
| Uranium, total | 10 | 14 | 0 | ||
| Copper, total [as Cu] | 10 | 10 | 0 | ||
| Molybdenum, total [as Mo] | 10 | 10 | 0 | ||
| Nickel, total [as Ni] | 10 | 10 | 0 | ||
| Lead, total dry weight [as Pb] | 0 | 10 | 0 | ||
| LC50 Static 48Hr Acute Ceriodaphnia dubia | 5 | 7 | 0 | ||
| LC50 Static 48Hr Acute Pimephales promelas | 5 | 6 | 0 | ||
| Nitrogen, total [as N] | 5 | 3 | 0 | ||
| Nitrite + Nitrate total [as N] | 5 | 2 | 0 | ||
| Lead, total [as Pb] | 10 | 0 | 0 | ||
| Phosphorus, total [as P] | 5 | 0 | 0 | ||
| E. coli | 2 | 0 | 0 | ||
| Conductivity | 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 TN0057983.
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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Nearby on the register
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- Every permit record in Tennessee, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.