Piscataway Swge Plnt
Farmington Road, Accokeek, MD 20607 · Prince Georges County · Publicly Owned Treatment Works
- Average flow
- 19.8 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 19.8 million gallons per day, serving about 160,827 residents. It discharges under NPDES permit MDL021539 (effective), which expires in December 2030, with 25 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Piscataway Swge Plnt.
Available with a free Klarifi account
See the full treatment train at Piscataway Swge Plnt: structures, unit processes and planned upgrades, with exact unit counts.
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.
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Names, validated emails and direct phone numbers for decision-makers at Piscataway Swge Plnt, plus the full compliance history and discharge data.
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Newburg · 22 mi away
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Bowie · 26 mi away
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Laurel · 27 mi away
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Laurel · 29 mi away
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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 October 26, 2026; facility record last updated March 6, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms