Piscataway Swge Plnt
Accokeek, MD · Prince Georges County · Publicly Owned Treatment Works
- Average flow
- 19.79 MGD
- Design flow
- —
- NPDES permit
- MDL021539
- Effective
- Permit expires
- December 2030
- Population served
- 160,827
- CWNS 2022
Piscataway Swge Plnt is a publicly owned wastewater treatment plant in Accokeek, Prince Georges County, Maryland treating an average of 19.79 million gallons per day, serving about 160,827 residents. Treatment on site includes clarifiers, biogas silos, biogas balloons. It discharges under NPDES permit MDL021539 (effective), which expires in December 2030, with 25 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
- 25
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
2 verified contacts for Piscataway Swge Plnt, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Piscataway Swge Plnt, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Maryland
La Plata · 9 mi away
0.0063 MGD
La Plata · 9 mi away
0.009 MGD
Indian Head · 11 mi away
0.3 MGD
La Plata · 11 mi away
1.04 MGD
Newburg · 22 mi away
0.02 MGD
Tracys Landing · 23 mi away
0.00083 MGD
Bowie · 26 mi away
1.4 MGD
Laurel · 27 mi away
6.35 MGD
Piscataway Swge Plnt: 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 March 6, 2025.