Clean Water Act discharge permit · NPDES TNG110523
RAZORBACK CONCRETE COMPANY, Memphis, TN: NPDES TNG110523 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
RAZORBACK CONCRETE COMPANY, held by Razorback Concrete Company, holds NPDES permit TNG110523, which discharges to Nonconnah. EPA’s file records it issued December 15, 2025 and expiring October 31, 2027. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 15, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
What the register holds for RAZORBACK CONCRETE COMPANY: its NPDES ID, its permit type and status, its dates, its address in Memphis, Tennessee, its receiving water, and 4 pollutants under a numeric limit. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES TNG110523.
Identity
| Facility as filed | RAZORBACK CONCRETE COMPANY |
|---|---|
| Permittee as filed | Razorback Concrete Company |
| NPDES ID | TNG110523 |
| Permit status | Effective |
| Permit type | Coverage under a general permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | December 15, 2025 |
| Expiration date | October 31, 2027 |
| Issuing agency | TDEC - DWR |
| Address | Memphis, TN 38113 |
| Receiving water | Nonconnah |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Loosahatchie Bar-Mississippi River (HUC 080101000703) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 0With a violation of any kind
- 0With 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 | 4 | 0 | 0 | ||
| Solids, total suspended | 2 | 0 | 0 | ||
| Iron, total [as Fe] | 2 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TNG110523.
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 TNG110523.
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 TNG110523 there.
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- Every permit record in Tennessee, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.