Exira City Of STP
City Hall, PO Box 187, Exira, IA 50076 · Audubon County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 0.21 MGD
- NPDES permit
- IA0027987
- Effective
- Permit expires
- November 2026
- Population served
- 787
- CWNS 2022
Exira City Of STP is a publicly owned wastewater treatment works in Exira, Audubon County, Iowa, serving about 787 residents. It discharges under NPDES permit IA0027987 (effective), which expires in November 2026, with 2 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Exira City Of STP.
Available with a free Klarifi account
See the full treatment train at Exira City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- 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 Exira City Of STP.
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Nearby wastewater treatment plants in Iowa
Brayton · 3 mi away
—
Elk Horn · 9 mi away
0.04 MGD
Audubon · 10 mi away
0.22 MGD
Kimballton · 10 mi away
0.04 MGD
Anita · 11 mi away
0.13 MGD
Atlantic · 14 mi away
0.69 MGD
Adair · 14 mi away
0.16 MGD
Walnut · 18 mi away
0.17 MGD
Exira 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 October 26, 2026; facility record last updated February 10, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Activated sludge · Oxidation ditch · all terms