Clean Water Act discharge permit · NPDES PAD150138
CONESTOGA HIGH SCH EXPANSION, Berwyn, PA: NPDES PAD150138 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 0Pollutants under a numeric limit
- 0Pollutants with an effluent exceedance
CONESTOGA HIGH SCH EXPANSION, held by Tredyffrin Easttown School District, holds NPDES permit PAD150138. EPA’s file records it issued March 23, 2020 and expiring March 31, 2025. 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 CONESTOGA HIGH SCH EXPANSION: its NPDES ID, its permit type and status, its dates, its address in Berwyn, Pennsylvania. EPA’s effluent violation file and its single-event violation file hold no violation for NPDES PAD150138.
Identity
| Facility as filed | CONESTOGA HIGH SCH EXPANSION |
|---|---|
| Permittee as filed | Tredyffrin Easttown School District |
| NPDES ID | PAD150138 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Program | Construction stormwater |
| Issued | March 23, 2020 |
| Expiration date | March 31, 2025 |
| Issuing agency | PADEP |
| Address | Berwyn, PA 19312 |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Valley Creek-Valley Creek (HUC 020402031004) |
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 PAD150138.
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 PAD150138.
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, PAD150138.
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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 PAD150138 there.
Nearby on the register
- Discharge permits in Berwyn
- Every permit record in Berwyn, A to Z
- Discharge permits in Pennsylvania
- Every permit record in Pennsylvania, A to Z
Figures from EPA’s ICIS-NPDES download, loaded September 15, 2026.