Clean Water Act discharge permit · NPDES TN0072389
LEWIS CHAPEL QUARRY, Dunlap, TN: NPDES TN0072389 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
LEWIS CHAPEL QUARRY, held by Stones Sales & Service, Inc., holds NPDES permit TN0072389, which discharges to Tennessee River (Hamilton Co. Except Chattanooga -. EPA’s file records it issued January 15, 2016 and expiring January 14, 2021. 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 | LEWIS CHAPEL QUARRY |
|---|---|
| Permittee as filed | Stones Sales & Service, Inc. |
| NPDES ID | TN0072389 |
| 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 | January 15, 2016 |
| Expiration date | January 14, 2021 |
| Issuing agency | TDEC - DWR |
| Address | Dunlap, TN 37327 |
| Receiving water | Tennessee River (Hamilton Co. except Chattanooga - |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Soddy Creek (HUC 060200010607) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 5Pollutants on file
- 4Under a numeric limit
- 4With a violation of any kind
- 2With 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 |
|---|---|---|---|---|---|
| pH | 20 | 1,007 | 2 | October 31, 2018 | |
| Solids, total suspended | 19 | 507 | 2 | October 31, 2022 | 15% over the limit |
| Flow, in conduit or thru treatment plant | 18 | 910 | 0 | ||
| Oil and grease | 0 | 50 | 0 | ||
| Oil & Grease | 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
- 2Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| March 3, 2026 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| September 17, 2025 | Management Practice Violations - Best Management Practice Deficiencies | 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 TN0072389 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.