Freeport Boro STP
414 Market Street, Freeport, PA 16229 · Armstrong County · Publicly Owned Treatment Works
- Average flow
- 0.39 MGD
- Design flow
- 0.35 MGD
- NPDES permit
- PA0025755
- Effective
- Permit expires
- December 2026
- Population served
- 2,005
- CWNS 2022
Freeport Boro STP is a publicly owned wastewater treatment works in Freeport, Armstrong County, Pennsylvania treating an average of 0.39 million gallons per day against a permitted design capacity of 0.35 MGD, serving about 2,005 residents. It discharges under NPDES permit PA0025755 (effective), which expires in December 2026, with 55 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Freeport Boro STP.
Available with a free Klarifi account
See the full treatment train at Freeport Boro STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 55
- Effluent violations
- 23
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Freeport Boro STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Freeport Boro STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Sarver · 2 mi away
0.7 MGD
Leechburg · 7 mi away
3.46 MGD
Kittanning · 7 mi away
0.01 MGD
Creighton · 8 mi away
6.36 MGD
Cadogan · 8 mi away
0.04 MGD
Russellton · 11 mi away
0.02 MGD
Ford City · 11 mi away
0.7 MGD
Worthington · 12 mi away
0.09 MGD
Freeport Boro 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 October 26, 2026; facility record last updated September 14, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms