Slatington WWTP
Slatington, PA · Lehigh County · Publicly Owned Treatment Works
- Average flow
- 0.56 MGD
- Design flow
- 1.5 MGD
- NPDES permit
- PA0020176
- Effective
- Permit expires
- December 2028
- Population served
- 6,996
- CWNS 2022
Slatington WWTP is a publicly owned wastewater treatment works in Slatington, Lehigh County, Pennsylvania treating an average of 0.56 million gallons per day against a permitted design capacity of 1.5 MGD, serving about 6,996 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit PA0020176 (effective), which expires in December 2028, with 18 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 18
- Effluent violations
- 18
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Slatington WWTP.
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Nearby wastewater treatment plants in Pennsylvania
Palmerton · 3 mi away
0.2 MGD
Walnutport · 3 mi away
0.01 MGD
Laurys Station · 4 mi away
0.03 MGD
Bowmanstown · 5 mi away
0.05 MGD
Germansville · 5 mi away
0.03 MGD
Lehighton · 6 mi away
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Northampton · 8 mi away
0.66 MGD
New Tripoli · 10 mi away
0.07 MGD
Slatington WWTP: 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 May 24, 2025.