Clean Water Act discharge permit · NPDES PA0101087
TWILIGHT MHP, Edinburg, PA: NPDES PA0101087 discharge permit, effluent exceedances, inspections, penalties
- Administratively continuedPermit status
- MinorDischarger class
- 10Pollutants under a numeric limit
- 3Pollutants with an effluent exceedance
TWILIGHT MHP, held by TWILIGHT MHP LLC, holds NPDES permit PA0101087, which discharges to Unt Of Shenango River. EPA’s file records it issued May 22, 2024 and expiring May 31, 2026. The status and dates are as EPA’s permit file stood when Velarion loaded it (September 14, 2026); EPA’s free Detailed Facility Report on ECHO carries the permit’s current standing.
Identity
| Facility as filed | TWILIGHT MHP |
|---|---|
| Permittee as filed | TWILIGHT MHP LLC |
| NPDES ID | PA0101087 |
| Permit status | Administratively continued (past its expiration date and still in force until reissued) |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Not a publicly owned treatment works |
| Issued | May 22, 2024 |
| Expiration date | May 31, 2026 |
| Issuing agency | State Environmental Organization |
| Address | Edinburg, PA 16116 |
| Receiving water | UNT Of Shenango River |
| Subwatershed | Deer Creek-Shenango River (HUC 050301020606) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 10Pollutants on file
- 10Under a numeric limit
- 10With a violation of any kind
- 3With 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 |
|---|---|---|---|---|---|
| Phosphorus, total [as P] | 1 | 34 | 30 | February 28, 2026 | 749% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 32 | 28 | March 31, 2026 | 1,480% over the limit |
| Coliform, fecal general | 2 | 11 | 7 | February 28, 2026 | 99,999% over the limit |
| pH | 2 | 6 | 0 | ||
| Chlorine, total residual | 2 | 6 | 0 | ||
| Solids, total suspended | 1 | 4 | 0 | ||
| Nitrogen, total [as N] | 1 | 4 | 0 | ||
| BOD, carbonaceous [5 day, 20 C] | 1 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 3 | 0 | ||
| Flow, in conduit or thru treatment plant | 1 | 3 | 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
- 11Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| August 20, 2025 | Permit Violations - Failure to Pay Fees | ST6 |
| September 11, 2024 | Effluent Violations - Numeric effluent violation | ST6 |
| September 11, 2024 | Monitoring Violations - Analysis not Conducted | ST6 |
| August 6, 2024 | Permit Violations - Failure to Pay Fees | ST6 |
| December 28, 2023 | Permit Violations - Failure to Pay Fees | ST6 |
| March 15, 2023 | Permit Violations - Violation Specified in Comment | ST6 |
| March 15, 2023 | Management Practice Violations - Improper Operation and Maintenance | ST6 |
| March 15, 2023 | Monitoring Violations - Analysis not Conducted | ST6 |
| June 7, 2022 | Permit Violations - Failure to Pay Fees | ST6 |
| February 3, 2021 | Permit Violations - Failure to Pay Fees | ST6 |
| September 3, 2019 | Permit Violations - Failure to Submit Timely Permit Renewal Application | ST6 |
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.
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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 PA0101087 there.
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.