E Norriton Plymouth /norristown
Plymouth Meeting, PA · Montgomery County · Publicly Owned Treatment Works
- Average flow
- 3.6 MGD
- Design flow
- —
- NPDES permit
- PAL026816
- Effective
- Permit expires
- December 2030
- Population served
- —
- CWNS 2022
E Norriton Plymouth /norristown is a publicly owned wastewater treatment plant in Plymouth Meeting, Montgomery County, Pennsylvania treating an average of 3.6 million gallons per day. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit PAL026816 (effective), which expires in December 2030, with 7 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
- 7
- Effluent violations
- 6
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for E Norriton Plymouth /norristown, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at E Norriton Plymouth /norristown, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Pennsylvania
Bridgeport · 1 mi away
0.41 MGD
Norristown · 1 mi away
3.96 MGD
King Of Prussia · 1 mi away
2.57 MGD
Conshohocken · 3 mi away
1.18 MGD
Lafayette Hill · 3 mi away
0.73 MGD
King Of Prussia · 4 mi away
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North Wales · 6 mi away
2.21 MGD
Worcester · 7 mi away
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E Norriton Plymouth /norristown: 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 April 6, 2025.