Clean Water Act discharge permit · NPDES NY0245879
HAMPTON CORNERS MINE, Groveland, NY: NPDES NY0245879 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 9Pollutants with an effluent exceedance
HAMPTON CORNERS MINE, held by AMERICAN ROCK SALT CO, holds NPDES permit NY0245879, which discharges to Genesee R. EPA’s file records it issued November 24, 2015 and expiring March 31, 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 | HAMPTON CORNERS MINE |
|---|---|
| Permittee as filed | AMERICAN ROCK SALT CO |
| NPDES ID | NY0245879 |
| 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 | November 24, 2015 |
| Expiration date | March 31, 2021 |
| Issuing agency | NYSDEC |
| Address | Groveland, NY 14462 |
| Receiving water | GENESEE R |
| Subwatershed | Jaycox Creek-Genesee River (HUC 041300030502) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 12With a violation of any kind
- 9With 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 |
|---|---|---|---|---|---|
| Cyanide, free [amenable to chlorination] | 1 | 31 | 29 | July 31, 2026 | 450% over the limit |
| Solids, total dissolved | 7 | 38 | 20 | July 31, 2023 | 2,300% over the limit |
| Nitrite + Nitrate total [as N] | 1 | 22 | 17 | July 31, 2026 | 123% over the limit |
| Oil & Grease | 1 | 14 | 13 | April 30, 2025 | 400% over the limit |
| Phosphorus, total [as P] | 1 | 13 | 9 | September 30, 2019 | 473% over the limit |
| Chloride [as Cl] | 7 | 22 | 7 | July 31, 2023 | 2,660% over the limit |
| BOD, 5-day, 20 deg. C | 1 | 11 | 6 | November 30, 2025 | 4,180% over the limit |
| Nitrogen, ammonia, total [as NH3] | 1 | 9 | 4 | November 30, 2025 | 33% over the limit |
| pH | 2 | 3 | 2 | December 31, 2011 | |
| Flow rate | 2 | 8 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 6 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 5 | 0 | ||
| Toxicity [acute], Pimephales promelas [Fathead Minnow] | 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
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES NY0245879.
Velarion’s copy of EPA’s ICIS-NPDES files does not yet 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 NY0245879 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.