Patterson City Of STP
Off Hwy 92, East Of Town, Patterson, IA 50218 · Madison County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- IA0062961
- Effective
- Permit expires
- July 2027
- Population served
- 176
- CWNS 2022
Patterson City Of STP is a publicly owned wastewater treatment works in Patterson, Madison County, Iowa, serving about 176 residents. It discharges under NPDES permit IA0062961 (effective), which expires in July 2027, with 0 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Patterson City Of STP.
Available with a free Klarifi account
See the full treatment train at Patterson City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
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 Patterson City Of STP.
No verified contacts on file yet
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Nearby wastewater treatment plants in Iowa
Bevington · 5 mi away
0.0033 MGD
Saint Charles · 6 mi away
—
Winterset · 7 mi away
1.16 MGD
Saint Marys · 7 mi away
—
Martensdale · 7 mi away
—
Peru · 9 mi away
—
Van Meter · 13 mi away
0.08 MGD
De Soto · 14 mi away
0.13 MGD
Patterson 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 September 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms