Clean Water Act discharge permit · NPDES OH0147656
DUFF QUARRY, INC., Huntsville, OH: NPDES OH0147656 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
DUFF QUARRY, INC., held by Duff Quarry Inc, holds NPDES permit OH0147656, which discharges to South Fork Gmr. EPA’s file records it issued January 13, 2021 and expiring January 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (October 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | DUFF QUARRY, INC. |
|---|---|
| Permittee as filed | Duff Quarry Inc |
| NPDES ID | OH0147656 |
| 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 13, 2021 |
| Expiration date | January 31, 2026 |
| Address | Huntsville, OH 43324 |
| Receiving water | South Fork GMR |
| Subwatershed | South Fork Great Miami River (HUC 050800010102) |
| SIC | 1422 – Crushed And Broken Limestone |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download.
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 2With 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 | 6 | 14 | 2 | May 31, 2022 | |
| Solids, total suspended | 6 | 14 | 2 | September 30, 2016 | 600% over the limit |
| Flow, in conduit or thru treatment plant | 4 | 0 | 0 | ||
| Flow rate | 2 | 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
- 5Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| November 21, 2019 | Reporting Violations - Improper/ Incorrect Reporting | ST6 |
| November 21, 2019 | Monitoring Violations - No Flow Measurement Device | ST6 |
| November 21, 2019 | WW Storm Water Non-Construction - Failure to Maintain Records | ST6 |
| November 21, 2019 | WW Storm Water Non-Construction - Failure to develop any or adequate SWPPP/SWMP | ST6 |
| November 21, 2019 | Effluent Violations - Unauthorized Discharge | 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 OH0147656 there.
Nearby on the register
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.