Clean Water Act discharge permit · NPDES NJ0003255
GIBRALTAR ROCK OF BELLE MEAD, Hillsborough Twp, NJ: NPDES NJ0003255 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 13Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
GIBRALTAR ROCK OF BELLE MEAD, held by GIBRALTAR ROCK @ BELLE MEAD, holds NPDES permit NJ0003255. EPA’s file records it issued August 5, 2021 and expiring September 30, 2026. 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.
Identity
| Facility as filed | GIBRALTAR ROCK OF BELLE MEAD |
|---|---|
| Permittee as filed | GIBRALTAR ROCK @ BELLE MEAD |
| NPDES ID | NJ0003255 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | August 5, 2021 |
| Expiration date | September 30, 2026 |
| Address | Hillsborough Twp, NJ 08502 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Pike Run (HUC 020301050308) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 13Pollutants on file
- 13Under a numeric limit
- 13With 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 |
|---|---|---|---|---|---|
| Flow, in conduit or thru treatment plant | 8 | 96 | 0 | ||
| Temperature, water deg. centigrade | 8 | 76 | 0 | ||
| pH | 8 | 76 | 0 | ||
| Hydrocarbons, in H2O, IR, CC14 extractible chromatograph | 8 | 68 | 0 | ||
| Oxygen, dissolved [DO] | 8 | 66 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 8 | 66 | 0 | ||
| Solids, total suspended | 8 | 66 | 0 | ||
| Solids, total dissolved | 8 | 66 | 0 | ||
| Turbidity | 5 | 43 | 0 | ||
| Duration of discharge | 4 | 40 | 0 | ||
| NOAEL Statis Renewal 48Hr Acute Ceriodaphnia dubia | 4 | 35 | 0 | ||
| Flow, total | 4 | 23 | 0 | ||
| Acrylamide | 2 | 8 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES NJ0003255.
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
- 9Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| May 20, 2025 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| May 20, 2025 | WW Storm Water Non-Construction - Discharge without a permit | ST6 |
| June 20, 2024 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| June 20, 2024 | WW Storm Water Non-Construction - Discharge without a permit | ST6 |
| June 20, 2024 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| June 20, 2024 | WW Storm Water Non-Construction - Failure to properly install/implement BMPs | ST6 |
| May 17, 2023 | WW Storm Water Non-Construction - Failure to Conduct Inspections | ST6 |
| May 17, 2023 | WW Storm Water Non-Construction - Failure to Implement SWPPP/SWMP | ST6 |
| May 26, 2022 | Permit Violations - Application Incomplete | ST6 |
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 NJ0003255 there.
Nearby on the register
- Discharge permits in Hillsborough Twp
- Every permit record in Hillsborough Twp, A to Z
- Discharge permits in New Jersey
- Every permit record in New Jersey, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.