Clean Water Act discharge permit · NPDES PA0284840
UNITED STATES GYPSUM CO/ALIQUIPPA FAC, Aliquippa, PA: NPDES PA0284840 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 4Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
UNITED STATES GYPSUM CO/ALIQUIPPA FAC, held by US GYPSUM CO, holds NPDES permit PA0284840, which discharges to Unnamed Stream. EPA’s file records it issued July 1, 2022 and expiring July 31, 2027.
UNITED STATES GYPSUM CO/ALIQUIPPA FAC, Aliquippa, Pennsylvania: Individual permit PA0284840, held by US GYPSUM CO; Effective; issued July 1, 2022, term to July 31, 2027, by State Environmental Organization; discharges to Unnamed Stream.
- pH: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Solids, total suspended: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Iron, total [as Fe]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
- Aluminum, total [as Al]: 1 limit, 1 violation of any kind, 0 effluent exceedances.
Other permits held by US GYPSUM CO
- ALIQUIPPA PLT SYNTHETIC GYPSUM STORAGE SHED EXPANSION, Aliquippa: PAD040115, issued September 30, 2024
- US GYPSUM CO WASHINGTONVILLE PLT, Danville: PAG034947, issued October 26, 2023
UNITED STATES GYPSUM CO/ALIQUIPPA FAC among its neighbors
EPA’s permit file holds 46 discharge permits in the Crows Run-Ohio River subwatershed (HUC 050301010309), PA0284840 among them. Its county holds 141, 6 of them major permits; PA0284840 is a minor permit.
Other permits in the Crows Run-Ohio River subwatershed (HUC 050301010309)
- 102 LANDWOOD LN SRSTP, Freedom: PA0255874, minor permit, discharging to UNT To Crows Run, permit term to June 30, 2026
- 129 WALL ST SRSTP, Rochester: PA0255939, minor permit, discharging to Pine Run, permit term to September 30, 2026
- 523 ALLENDALE RD SRSTP, New Brighton: PAG046493, minor permit, discharging to Dutchman Run, permit term to November 11, 2028
- 60 FEZELL RD SRSTP, Freedom: PA0284882, minor permit, discharging to UNT To Pine Run, permit term to July 31, 2027
- ALIQUIPPA CITY STORM SEW SYS MS4, Aliquippa: PAG136334, minor permit, discharging to Unnamed Stream, permit term to February 11, 2020
- ALIQUIPPA HIGH SCHOOL FIELD HOUSE, Aliquippa: PAC040180, minor permit, permit term to December 7, 2029
- ALIQUIPPA MUNI WATER AUTH, Aliquippa: PA0218511, minor permit, discharging to LOGSTOWN RUN, permit term to January 11, 2006
- ALIQUIPPA PLT SYNTHETIC GYPSUM STORAGE SHED EXPANSION, Aliquippa: PAD040115, minor permit, discharging to Unnamed Stream, permit term to September 29, 2029
- ALLEGHENY ASPHALT MANUFACTUR, Monaca: PAR706124, minor permit, discharging to OHIO RIVER, permit term to August 1, 2007
- AMBRIDGE BORO MUN AUTH, Ambridge: PAL027146, minor permit, permit term to December 31, 2025
Identity
| Facility as filed | UNITED STATES GYPSUM CO/ALIQUIPPA FAC |
|---|---|
| Permittee as filed | US GYPSUM CO |
| NPDES ID | PA0284840 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | July 1, 2022 |
| Expiration date | July 31, 2027 |
| Issuing agency | State Environmental Organization |
| Address | Aliquippa, PA 15001 |
| Receiving water | Unnamed Stream |
| Subwatershed | Crows Run-Ohio River (HUC 050301010309) |
| SIC | 3275 – Gypsum Products |
Effluent limits and exceedances
- 4Pollutants on file
- 4Under a numeric limit
- 4With 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 | 1 | 1 | 0 | ||
| Solids, total suspended | 1 | 1 | 0 | ||
| Iron, total [as Fe] | 1 | 1 | 0 | ||
| Aluminum, total [as Al] | 1 | 1 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PA0284840.
Inspections, violations and enforcement
- 0Single-event violations
EPA’s single-event violation file, as loaded, holds no violation for NPDES PA0284840.
Inspections
EPA’s inspection file holds no inspection for NPDES PA0284840.
Formal enforcement and penalties
0 formal actions, 0 of them with a penalty assessed. Federal and state penalties are separate figures from separate authorities and are shown as each was filed, never added together.
Informal enforcement
EPA’s informal enforcement file holds no action for NPDES PA0284840.
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Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.