Clean Water Act discharge permit · NPDES PA0204901
PORT AUTH ROSS MAINTENANCE GARAGE, Pittsburgh, PA: NPDES PA0204901 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 7Pollutants under a numeric limit
- 2Pollutants with an effluent exceedance
- 0Inspections on file
- 0Formal enforcement actions
PORT AUTH ROSS MAINTENANCE GARAGE, held by ALLEGHENY CNTY PORT AUTH, holds NPDES permit PA0204901, which discharges to Nelson Run. EPA’s file records it issued January 24, 2020 and expiring January 31, 2025. 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 | PORT AUTH ROSS MAINTENANCE GARAGE |
|---|---|
| Permittee as filed | ALLEGHENY CNTY PORT AUTH |
| NPDES ID | PA0204901 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | January 24, 2020 |
| Expiration date | January 31, 2025 |
| Issuing agency | State Environmental Organization |
| Address | Pittsburgh, PA 15229 |
| Receiving water | Nelson Run |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Girtys Run (HUC 050100090307) |
| SIC | 4111 – Local And Suburban Transit |
| Other EPA IDs (FRS) | RCRA handler PAD981106552; ICIS-AIR source PAACH0004200300876 |
Cited to the EPA ICIS-NPDES permit file (ECHO download) and EPA’s NAICS/SIC and component files, the same download; cross-program IDs from EPA’s FRS facility-registry crosswalk.
Effluent limits and exceedances
- 8Pollutants on file
- 7Under a numeric limit
- 8With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 2 | 27 | 22 | February 28, 2026 | 333% over the limit |
| Iron, dissolved [as Fe] | 3 | 11 | 4 | January 31, 2026 | 171% over the limit |
| pH | 4 | 7 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 7 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 3 | 7 | 0 | ||
| Oil & Grease | 3 | 7 | 0 | ||
| Flow, in conduit or thru treatment plant | 3 | 7 | 0 | ||
| Xylene [mix of m+o+p] | 0 | 2 | 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 PA0204901.
Inspections
EPA’s inspection file holds no inspection for NPDES PA0204901.
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 PA0204901.
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 PA0204901 there.
PORT AUTH ROSS MAINTENANCE GARAGE, Pittsburgh, Pennsylvania: Individual permit PA0204901, held by ALLEGHENY CNTY PORT AUTH; Effective; issued January 24, 2020, term to January 31, 2025, by State Environmental Organization; discharges to Nelson Run.
- Solids, total suspended: 2 limits, 27 violations of any kind, 22 effluent exceedances, latest February 28, 2026, largest 333% over the limit.
- Iron, dissolved [as Fe]: 3 limits, 11 violations of any kind, 4 effluent exceedances, latest January 31, 2026, largest 171% over the limit.
- pH: 4 limits, 7 violations of any kind.
- BOD, 5-day, 20 deg. C: 3 limits, 7 violations of any kind.
- Oxygen demand, chem. [high level] [COD]: 3 limits, 7 violations of any kind.
- Oil & Grease: 3 limits, 7 violations of any kind.
- Flow, in conduit or thru treatment plant: 3 limits, 7 violations of any kind.
- Xylene [mix of m+o+p]: 0 limits, 2 violations of any kind.
Other permits held by ALLEGHENY CNTY PORT AUTH
- HARMAR GARAGE PORT AUTH ALLEGHENY CNTY, Pittsburgh: PA0204889, issued 2020-01-16
- COLLIER GARAGE, Bridgeville: PA0204897, issued 2017-12-29
PORT AUTH ROSS MAINTENANCE GARAGE among its neighbors
10 discharge permits are in the Girtys Run subwatershed (HUC 050100090307); PA0204901 is one. Its county: 695, 8 major; PA0204901 is minor permit.
Other permits in the Girtys Run subwatershed (HUC 050100090307)
- BETH SHALOM FILL SITE, Shaler, Township Of: PAC020459, minor, term to 2024-12-07
- CM27466 - GIRTY'S RUN, Ross, Township Of: PAC021130, minor, term to 2029-12-07
- FIRST STUDENT INC NO 20518, Pgh: PAG036604, minor, term to 2028-03-23
- GIRTYS RUN SEW SYS, Pittsburgh: PAG066106, minor, term to 2024-05-30
- GREATER PITTSBURGH MASONIC CENTER LAND RECLAMATION, Ross, Township Of: PAC020633, minor, term to 2024-12-07
- LONGVUE #2 STP, Pittsburgh: PA0028193, minor, term to 2027-12-31
- MILLVALE BORO STORM SEW SYS MS4, Millvale: PAG136150, minor, term to 2018-03-15
- PUBLIC WORKS & SALT STORAGE FACILITY FOR ROSS TOWNSHIP, Ross, Township Of: PAC020047, minor, term to 2020-02-18
- WEST VIEW BORO STORM SEW SYS MS4, Pittsburgh: PAG136195, minor, term to 2019-11-18
Nearby on the register
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- Every permit record in Pittsburgh, A to Z
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- Every permit record in Pennsylvania, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.
What this page shows
This public-records page covers NPDES permit PA0204901 for the Port Auth Ross Maintenance Garage in Pittsburgh, PA, which discharges to Nelson Run and is classed as a Minor Discharger. The listed figures show 7 for the discharger class, 2 pollutants under a numeric limit, and 2 pollutants with an effluent exceedance.