Clean Water Act discharge permit · NPDES TN0001732
NYRSTAR - COY MINE, Jefferson City, TN: NPDES TN0001732 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MajorDischarger class
- 12Pollutants under a numeric limit
- 5Pollutants with an effluent exceedance
NYRSTAR - COY MINE, held by Nyrstar Tennessee Mines - Strawberry Plains, LLC, holds NPDES permit TN0001732, which discharges to Holston. EPA’s file records it issued October 17, 2018 and expiring December 31, 2023. 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 | NYRSTAR - COY MINE |
|---|---|
| Permittee as filed | Nyrstar Tennessee Mines - Strawberry Plains, LLC |
| NPDES ID | TN0001732 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Major discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | October 17, 2018 |
| Expiration date | December 31, 2023 |
| Issuing agency | TDEC - DWR |
| Address | Jefferson City, TN 37760 |
| Receiving water | Holston |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Cherokee Lake Dam (HUC 060101040210) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 14Pollutants on file
- 12Under a numeric limit
- 14With a violation of any kind
- 5With 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 | 2 | 16 | 14 | September 30, 2025 | 250% over the limit |
| Thallium, total [as Tl] | 2 | 4 | 4 | July 31, 2015 | 67% over the limit |
| Zinc, total [as Zn] | 2 | 5 | 3 | September 30, 2006 | 17% over the limit |
| NOEL Static Renewal 7Day Chronic Ceriodaphnia dubia | 0 | 2 | 2 | March 31, 2006 | 35% over the limit |
| IC25 Static Renewal 7 Day Chronic Ceriodaphnia dubia | 1 | 8 | 1 | March 31, 2015 | 28% over the limit |
| Oil & Grease | 2 | 6 | 0 | ||
| pH | 2 | 2 | 0 | ||
| Cadmium, total [as Cd] | 2 | 2 | 0 | ||
| Copper, total [as Cu] | 2 | 2 | 0 | ||
| Lead, total [as Pb] | 2 | 2 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 2 | 0 | ||
| Mercury, total [as Hg] | 2 | 2 | 0 | ||
| IC25 Static Renewal 7 Day Chronic Chrpimephales | 1 | 2 | 0 | ||
| Solids, settleable | 0 | 1 | 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 TN0001732.
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
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, TN0001732.
Start the watch
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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 TN0001732 there.
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.