Mcalisterville STP
Mcalisterville, PA · Juniata County · Publicly Owned Treatment Works
- Average flow
- 0.04 MGD
- Design flow
- 0.13 MGD
- NPDES permit
- PA0023604
- Expired
- Permit expires
- December 2025
- Population served
- —
- CWNS 2022
Mcalisterville STP is a publicly owned wastewater treatment works in Mcalisterville, Juniata County, Pennsylvania treating an average of 0.04 million gallons per day against a permitted design capacity of 0.13 MGD. It discharges under NPDES permit PA0023604 (expired), which expires in December 2025, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Mcalisterville STP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Mcalisterville STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
East Salem · 2 mi away
0.005 MGD
Thompsontown · 5 mi away
0.16 MGD
Mcclure · 6 mi away
0.13 MGD
Mifflin · 8 mi away
0.3 MGD
Port Royal · 8 mi away
0.05 MGD
Millerstown · 9 mi away
0.04 MGD
Beaver Springs · 9 mi away
0.06 MGD
Richfield · 10 mi away
0.06 MGD
Mcalisterville STP: frequently asked questions
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed September 11, 2026; facility record last updated August 14, 2026.