Manchester WWTP
Manchester, MD · Carroll County · Publicly Owned Treatment Works
- Average flow
- 0.43 MGD
- Design flow
- 0.5 MGD
- NPDES permit
- MD0022578
- Effective
- Permit expires
- February 2027
- Population served
- 5,118
- CWNS 2022
Manchester WWTP is a publicly owned wastewater treatment works in Manchester, Carroll County, Maryland treating an average of 0.43 million gallons per day against a permitted design capacity of 0.5 MGD, serving about 5,118 residents. It discharges under NPDES permit MD0022578 (effective), which expires in February 2027, with 70 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 70
- Effluent violations
- 70
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
4 verified contacts for Manchester WWTP, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Manchester WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Maryland
Hampstead · 5 mi away
0.48 MGD
Westminster · 11 mi away
3.41 MGD
Westminster · 12 mi away
0.002 MGD
New Windsor · 15 mi away
0.09 MGD
Taneytown · 17 mi away
0.51 MGD
Union Bridge · 17 mi away
0.12 MGD
Sykesville · 21 mi away
1.97 MGD
Jarrettsville · 22 mi away
0.006 MGD
Manchester 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 October 18, 2024.