Clean Water Act discharge permit · NPDES PAS803507
NAVAL SUPPORT ACTIVITY MECHANICSBURG, Mechanicsburg, PA: NPDES PAS803507 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 8Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
NAVAL SUPPORT ACTIVITY MECHANICSBURG, held by NAVAL SUPPORT ACTIVITY MECH, holds NPDES permit PAS803507, which discharges to Unt To Trindle Spring Run. EPA’s file records it issued September 24, 2020 and expiring September 30, 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 | NAVAL SUPPORT ACTIVITY MECHANICSBURG |
|---|---|
| Permittee as filed | NAVAL SUPPORT ACTIVITY MECH |
| NPDES ID | PAS803507 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Federal facility |
| Issued | September 24, 2020 |
| Expiration date | September 30, 2025 |
| Issuing agency | State Environmental Organization |
| Address | Mechanicsburg, PA 17050 |
| Receiving water | UNT To Trindle Spring Run |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Trindle Spring Run (HUC 020503050407) |
| NAICS | 493110 – General Warehousing and Storage |
| SIC | 4225 – General Warehousing And Storage |
| Other EPA IDs (FRS) | RCRA handler PA3170022104; ICIS-AIR source PA000468417 |
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
- 9Pollutants on file
- 8Under a numeric limit
- 9With 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 |
|---|---|---|---|---|---|
| Solids, total suspended | 5 | 3 | 0 | ||
| Oil & Grease | 5 | 3 | 0 | ||
| Nitrogen, total [as N] | 5 | 3 | 0 | ||
| Phosphorus, total [as P] | 5 | 3 | 0 | ||
| Oxygen demand, chem. [high level] [COD] | 3 | 2 | 0 | ||
| Copper, total [as Cu] | 3 | 2 | 0 | ||
| Lead, total [as Pb] | 3 | 2 | 0 | ||
| Zinc, total [as Zn] | 3 | 2 | 0 | ||
| Aluminum, total [as Al] | 0 | 2 | 0 |
EPA’s effluent violation file records no exceedance of a numeric limit for NPDES PAS803507.
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 PAS803507.
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.
Watch this permit
One permit holder, $99/month. Watch the register for one permit holder and the places and receiving waters tied to its permits. Choose “One permit holder” and enter this permit’s NPDES ID, PAS803507.
Start the watch
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- One watershed — $2,990/year
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How we handle your data → Privacy
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 PAS803507 there.
Nearby on the register
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- Every permit record in Pennsylvania, A to Z
Figures from EPA’s ICIS-NPDES download, loaded October 14, 2026.