Clean Water Act discharge permit · NPDES TNG110186
SMYRNA READY MIX CONCRETE, LLC DBA DAYTON PLANT CRUSHER, Dayton, TN: NPDES TNG110186 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
SMYRNA READY MIX CONCRETE, LLC DBA DAYTON PLANT CRUSHER, held by Smyrna Ready Mix Concrete, LLC, holds NPDES permit TNG110186, which discharges to Tennessee River (Meigs & Rhea County). EPA’s file records it issued December 1, 2020 and expiring October 31, 2022. 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 | SMYRNA READY MIX CONCRETE, LLC DBA DAYTON PLANT CRUSHER |
|---|---|
| Permittee as filed | Smyrna Ready Mix Concrete, LLC |
| NPDES ID | TNG110186 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 1, 2020 |
| Expiration date | October 31, 2022 |
| Issuing agency | TDEC - DWR |
| Address | Dayton, TN 37321 |
| Receiving water | Tennessee River (Meigs & Rhea County) |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Richland Creek (HUC 060200010202) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants 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 | 2 | 10 | 1 | December 31, 2019 | |
| Iron, total [as Fe] | 1 | 4 | 1 | December 31, 2019 | 18% over the limit |
| Solids, total suspended | 1 | 6 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 4 | 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 TNG110186.
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 TNG110186 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.