Grantsville WWTP
Grantsville, MD · Garrett County · Publicly Owned Treatment Works
- Average flow
- 0.16 MGD
- Design flow
- 0.6 MGD
- NPDES permit
- MD0020761
- Expired
- Permit expires
- July 2025
- Population served
- 1,253
- CWNS 2022
Grantsville WWTP is a publicly owned wastewater treatment works in Grantsville, Garrett County, Maryland treating an average of 0.16 million gallons per day against a permitted design capacity of 0.6 MGD, serving about 1,253 residents. It discharges under NPDES permit MD0020761 (expired), which expires in July 2025, with 142 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
- 142
- Effluent violations
- 142
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
1 verified contact for Grantsville WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Grantsville WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Maryland
Grantsville · 5 mi away
0.001 MGD
Accident · 9 mi away
0.005 MGD
Accident · 11 mi away
0.06 MGD
Friendsville · 14 mi away
0.02 MGD
Westernport · 14 mi away
0.77 MGD
Bloomington · 16 mi away
0.01 MGD
Rawlings · 18 mi away
—
Pinto · 18 mi away
0.12 MGD
Grantsville 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 September 23, 2025.