Tripoli City Of STP
Tripoli, IA · Bremer County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 2.28 MGD
- NPDES permit
- IA0033120
- Effective
- Permit expires
- May 2031
- Population served
- 1,191
- CWNS 2022
Tripoli City Of STP is a publicly owned wastewater treatment works in Tripoli, Bremer County, Iowa, serving about 1,191 residents. Treatment on site includes aerated lagoons, uncovered lagoons. It discharges under NPDES permit IA0033120 (effective), which expires in May 2031, with 7 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 7
- Effluent violations
- 7
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Tripoli City Of STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Iowa
Frederika · 5 mi away
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Sumner · 8 mi away
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Readlyn · 8 mi away
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Oran · 11 mi away
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Fredericksburg · 11 mi away
0.17 MGD
Westgate · 13 mi away
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Waverly · 13 mi away
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Plainfield · 14 mi away
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Tripoli 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 March 20, 2025.