Northeast River Advanced WWTP
Charlestown, MD · Cecil County · Publicly Owned Treatment Works
- Average flow
- 1.25 MGD
- Design flow
- —
- NPDES permit
- MDL052027
- Effective
- Permit expires
- December 2030
- Population served
- 27,330
- CWNS 2022
Northeast River Advanced WWTP is a publicly owned wastewater treatment works in Charlestown, Cecil County, Maryland treating an average of 1.25 million gallons per day, serving about 27,330 residents. Treatment on site includes clarifiers, uncovered lagoons, carrousels / oxidation ditches. It discharges under NPDES permit MDL052027 (effective), which expires in December 2030, with 38 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Clarifiers
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Uncovered lagoons
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Carrousels / oxidation ditches
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Compliance snapshot (last 3 years)
- Total violations
- 38
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Northeast River Advanced WWTP.
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Nearby wastewater treatment plants in Maryland
Perryville · 4 mi away
0.64 MGD
Port Deposit · 7 mi away
0.08 MGD
Chesapeake City · 7 mi away
0.02 MGD
Chesapeake City · 9 mi away
0.09 MGD
Elkton · 9 mi away
0.08 MGD
Rising Sun · 11 mi away
0.2 MGD
Cecilton · 13 mi away
0.09 MGD
Betterton · 14 mi away
0.02 MGD
Northeast River Advanced 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 19, 2025.