Clean Water Act discharge permit · NPDES PA0023604
MCALISTERVILLE STP, Mcalisterville, PA: NPDES PA0023604 discharge permit, effluent exceedances, inspections, penalties
- EffectivePermit status
- MinorDischarger class
- 19Pollutants under a numeric limit
- 7Pollutants with an effluent exceedance
MCALISTERVILLE STP, held by MCALISTERVILLE AREA JT AUTH JUNIATA CNTY, holds NPDES permit PA0023604, which discharges to Little Lost Creek. EPA’s file records it issued December 16, 2020 and expiring December 31, 2025. 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 | MCALISTERVILLE STP |
|---|---|
| Permittee as filed | MCALISTERVILLE AREA JT AUTH JUNIATA CNTY |
| NPDES ID | PA0023604 |
| Permit status | Effective |
| Permit type | Individual permit |
| Discharger class | Minor discharger |
| Facility type | Publicly owned treatment works |
| Program | Publicly owned treatment works |
| Issued | December 16, 2020 |
| Expiration date | December 31, 2025 |
| Issuing agency | State Environmental Organization |
| Address | Mcalisterville, PA 17049 |
| Receiving water | Little Lost Creek |
| Receiving water impaired | 303(D) Listed |
| Subwatershed | Little Lost Creek-Lost Creek (HUC 020503040802) |
Cited to the EPA ICIS-NPDES permit file (ECHO download).
Effluent limits and exceedances
- 19Pollutants on file
- 19Under a numeric limit
- 15With a violation of any kind
- 7With 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 |
|---|---|---|---|---|---|
| Chlorine, total residual | 3 | 17 | 11 | October 31, 2022 | 263% over the limit |
| Coliform, fecal general | 4 | 9 | 5 | June 30, 2025 | 99,999% over the limit |
| Nitrogen, ammonia total [as N] | 2 | 8 | 4 | December 31, 2018 | 70% over the limit |
| Phosphorus, total [as P] | 1 | 8 | 4 | April 30, 2023 | 45% over the limit |
| Solids, total suspended | 5 | 17 | 3 | February 28, 2025 | 65% over the limit |
| Suspended Solids, Total | 2 | 2 | 2 | April 30, 2024 | 237% over the limit |
| BOD, carbonaceous [5 day, 20 C][load] | 2 | 1 | 1 | April 30, 2024 | 23% over the limit |
| BOD, carbonaceous [5 day, 20 C] | 2 | 8 | 0 | ||
| BOD, 5-day, 20 deg. C | 3 | 6 | 0 | ||
| pH | 2 | 4 | 0 | ||
| Flow, in conduit or thru treatment plant | 2 | 4 | 0 | ||
| Oxygen, dissolved [DO] | 1 | 2 | 0 | ||
| Nitrogen, Kjeldahl, total [as N] | 1 | 2 | 0 | ||
| Nitrite + Nitrate total [as N] | 1 | 2 | 0 | ||
| Nitrogen, Total | 1 | 1 | 0 | ||
| Nitrogen, Ammonia Total | 2 | 0 | 0 | ||
| Nitrogen, Kjeldahl Total | 1 | 0 | 0 | ||
| Nitrite Plus Nitrate Total | 1 | 0 | 0 | ||
| Phosphorus, Total | 1 | 0 | 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
- 1Single-event violations
| Date | What EPA recorded | Agency |
|---|---|---|
| December 2, 2022 | Effluent Violations - Numeric effluent violation | 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 PA0023604 there.
Nearby on the register
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Figures from EPA’s ICIS-NPDES download, loaded September 14, 2026.