Sod Run Wastewater Treatment Plant
Perryman, MD · Harford County · Publicly Owned Treatment Works
- Average flow
- 10.81 MGD
- Design flow
- —
- NPDES permit
- MDL056545
- Effective
- Permit expires
- December 2030
- Population served
- 122,618
- CWNS 2022
Sod Run Wastewater Treatment Plant is a publicly owned wastewater treatment works in Perryman, Harford County, Maryland treating an average of 10.81 million gallons per day, serving about 122,618 residents. Treatment on site includes clarifiers, uncovered lagoons, biogas silos, biogas balloons. It discharges under NPDES permit MDL056545 (effective), which expires in December 2030, with 0 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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Biogas silos
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Biogas balloons
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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
4 verified contacts for Sod Run Wastewater Treatment Plant, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Sod Run Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Maryland
Betterton · 10 mi away
0.02 MGD
Perry Hall · 12 mi away
0.05 MGD
Perryville · 12 mi away
0.64 MGD
Chestertown · 13 mi away
0.06 MGD
Port Deposit · 13 mi away
0.08 MGD
Worton · 13 mi away
0.42 MGD
Glen Arm · 15 mi away
—
Kennedyville · 15 mi away
0.01 MGD
Sod Run Wastewater Treatment Plant: 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 March 1, 2025.