Rose Hill City Of STP
490 Main St, Rose Hill, IA 52586 · Mahaska County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- IA0072311
- Effective
- Permit expires
- February 2027
- Population served
- 157
- CWNS 2022
Rose Hill City Of STP is a publicly owned wastewater treatment works in Rose Hill, Mahaska County, Iowa, serving about 157 residents. It discharges under NPDES permit IA0072311 (effective), which expires in February 2027, with 12 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Rose Hill City Of STP.
Available with a free Klarifi account
See the full treatment train at Rose Hill City Of STP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 12
- Effluent violations
- 2
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Rose Hill City Of STP.
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Nearby wastewater treatment plants in Iowa
Oskaloosa · 4 mi away
—
Delta · 7 mi away
0.01 MGD
University Park · 7 mi away
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Fremont · 8 mi away
—
Oskaloosa · 8 mi away
0.69 MGD
What Cheer · 8 mi away
0.09 MGD
Oskaloosa · 10 mi away
0.71 MGD
Beacon · 12 mi away
0.03 MGD
Rose Hill 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 27, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms