Mount Sterling, City Of STP
Mount Sterling, IA · Van Buren County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.0053 MGD
- NPDES permit
- IA0076651
- Effective
- Permit expires
- December 2026
- Population served
- 38
- CWNS 2022
Mount Sterling, City Of STP is a publicly owned wastewater treatment works in Mount Sterling, Van Buren County, Iowa, serving about 38 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0076651 (effective), which expires in December 2026, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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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
Decision-makers at Mount Sterling, City Of STP.
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0.04 MGD
Mount Sterling, City Of STP: 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 10, 2025.