Flintstone WWTP
22810 Gilpin Road, N.E., Flintstone, MD 21530 · Allegany County · Publicly Owned Treatment Works
- Average flow
- 0.06 MGD
- Design flow
- 0.05 MGD
- NPDES permit
- MD0055620
- Effective
- Permit expires
- September 2028
- Population served
- 480
- CWNS 2022
Flintstone WWTP is a publicly owned wastewater treatment works in Flintstone, Allegany County, Maryland treating an average of 0.06 million gallons per day against a permitted design capacity of 0.05 MGD, serving about 480 residents. It discharges under NPDES permit MD0055620 (effective), which expires in September 2028, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures and unit processes at Flintstone WWTP.
Treatment structure data not yet analyzed for this facility.
Compliance snapshot (last 3 years)
- Total violations
- 0
- 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 Flintstone WWTP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Maryland
Flintstone · 5 mi away
0.0019 MGD
Oldtown · 11 mi away
0.0048 MGD
Hancock · 14 mi away
0.0041 MGD
Cumberland · 15 mi away
1.11 MGD
Pinto · 18 mi away
0.21 MGD
Cumberland · 19 mi away
0.0053 MGD
Rawlings · 21 mi away
0.07 MGD
Hancock · 21 mi away
0.23 MGD
Flintstone 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 September 23, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms