Centreville WWTP
116 Johnstown Lane, Centreville, MD 21617 · Queen Anne'S County · Publicly Owned Treatment Works
- Average flow
- 0.42 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- MD0020834
- Effective
- Permit expires
- November 2026
- Population served
- 4,569
- CWNS 2022
Centreville WWTP is a publicly owned wastewater treatment works in Centreville, Queen Anne'S County, Maryland treating an average of 0.42 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 4,569 residents. It discharges under NPDES permit MD0020834 (effective), which expires in November 2026, with 12 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Centreville WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Centreville WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Maryland
Church Hill · 8 mi away
0.07 MGD
Chestertown · 11 mi away
0.6 MGD
Rock Hall · 11 mi away
0.21 MGD
Ridgely · 12 mi away
0.000000069 MGD
Sudlersville · 14 mi away
—
Worton · 15 mi away
0.29 MGD
Chestertown · 15 mi away
0.05 MGD
Ridgely · 15 mi away
0.0019 MGD
Centreville 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 October 26, 2026; facility record last updated November 28, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms