Clean Water Act discharge permit · NPDES TN0070746
GREYSTONE MATERIALS, LLC, Gordonsville, TN: NPDES TN0070746 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GREYSTONE MATERIALS, LLC, held by Greystone Materials, LLC, holds NPDES permit TN0070746, which discharges to Caney Fork. EPA’s file records it issued February 20, 2026 and expiring February 28, 2031. 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 GREYSTONE MATERIALS, LLC: its NPDES ID, its permit type and status, its dates, its address in Gordonsville, 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 TN0070746.
Identity
| Facility as filed | GREYSTONE MATERIALS, LLC |
|---|---|
| Permittee as filed | Greystone Materials, LLC |
| NPDES ID | TN0070746 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Industrial stormwater |
| Issued | February 20, 2026 |
| Expiration date | February 28, 2031 |
| Issuing agency | TDEC-DMGR |
| Address | Gordonsville, TN 38563 |
| Receiving water | Caney Fork |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Mulherrin Creek (HUC 051301080907) |
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 | 14 | 0 | 0 | ||
| Flow, in conduit or thru treatment plant | 14 | 0 | 0 | ||
| Solids, total suspended | 13 | 0 | 0 | ||
| Oil and grease, hexane extr method | 1 | 0 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES TN0070746.
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 TN0070746.
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 TN0070746 there.
Nearby on the register
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- Every permit record in Gordonsville, A to Z
- Discharge permits in Tennessee
- Every permit record in Tennessee, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.