Allegheny Valley Joint Sewage Authority
2400 Freeport Road, Cheswick, PA 15024 · Allegheny County · Publicly Owned Treatment Works
- Average flow
- 3.88 MGD
- Design flow
- —
- NPDES permit
- PAL026255
- Effective
- Permit expires
- December 2030
- Population served
- —
- CWNS 2022
Allegheny Valley Joint Sewage Authority is a publicly owned wastewater treatment works in Cheswick, Allegheny County, Pennsylvania treating an average of 3.88 million gallons per day. It discharges under NPDES permit PAL026255 (effective), which expires in December 2030, with 34 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 2011.
Treatment technology
2 treatment structures and unit processes identified at Allegheny Valley Joint Sewage Authority.
Available with a free Klarifi account
See the full treatment train at Allegheny Valley Joint Sewage Authority: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 34
- Effluent violations
- 34
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Allegheny Valley Joint Sewage Authority in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $1,000
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · Sep 2011
ALLEGHENY JOINT SANITARY AUTHORITY
Administrative order · CWA, NPDES Discharge without a Permit · Final Order No Penalty · Compliance actions $1,000
Source: EPA ECHO, civil enforcement case 03-2011-0264.
Full case history with a free Klarifi account
Every action against Allegheny Valley Joint Sewage Authority with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
3 verified contacts for Allegheny Valley Joint Sewage Authority, with validated emails and direct phone numbers.
Unlock 3 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Allegheny Valley Joint Sewage Authority, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Oakmont · 1 mi away
1.08 MGD
Verona · 2 mi away
2.62 MGD
Pittsburgh · 4 mi away
0.08 MGD
New Kensington · 5 mi away
5.6 MGD
Creighton · 5 mi away
6.36 MGD
Pittsburgh · 9 mi away
1.49 MGD
Russellton · 9 mi away
0.02 MGD
Pittsburgh · 9 mi away
0.96 MGD
Allegheny Valley Joint Sewage Authority: 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 October 12, 2026; facility record last updated April 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms