Clean Water Act discharge permit · NPDES PA0245313
MATHER MILL STP, Fort Washington, PA: NPDES PA0245313 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
MATHER MILL STP, held by PA HISTORICAL & MUSEUM COMM, holds NPDES permit PA0245313, which discharges to Wissahickon Creek. EPA’s file records it issued November 9, 2021 and expiring November 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.
What the register holds for MATHER MILL STP: its NPDES ID, its permit type and status, its dates, its address in Fort Washington, Pennsylvania, its receiving water. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PA0245313.
Identity
| Facility as filed | MATHER MILL STP |
|---|---|
| Permittee as filed | PA HISTORICAL & MUSEUM COMM |
| NPDES ID | PA0245313 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | November 9, 2021 |
| Expiration date | November 30, 2026 |
| Issuing agency | State Environmental Organization |
| Address | Fort Washington, PA 19034 |
| Receiving water | Wissahickon Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Lower Wissahickon Creek (HUC 020402030902) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 0Pollutants on file
- 0Under a numeric limit
- 0With a violation of any kind
- 0With an effluent exceedance
EPA’s limits and effluent violation files hold no pollutant row for NPDES PA0245313.
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 PA0245313.
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
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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 PA0245313 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 September 15, 2026.