Hills, City Of WWTF
Hills, IA 52235 · Johnson County · Publicly Owned Treatment Works
- Average flow
- 0.16 MGD
- Design flow
- 0.59 MGD
- NPDES permit
- IA0052894
- Effective
- Permit expires
- October 2030
- Population served
- —
- CWNS 2022
Hills, City Of WWTF is a publicly owned wastewater treatment works in Hills, Johnson County, Iowa treating an average of 0.16 million gallons per day against a permitted design capacity of 0.59 MGD. It discharges under NPDES permit IA0052894 (effective), which expires in October 2030, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Hills, City Of WWTF.
Available with a free Klarifi account
See the full treatment train at Hills, City Of WWTF: 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
1 verified contact for Hills, City Of WWTF, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at Hills, City Of WWTF, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Iowa City · 5 mi away
8.98 MGD
Riverside · 5 mi away
0.17 MGD
Lone Tree · 7 mi away
0.3 MGD
Coralville · 10 mi away
2.98 MGD
Kalona · 11 mi away
0.31 MGD
Tiffin · 12 mi away
0.52 MGD
North Liberty · 13 mi away
2.03 MGD
West Branch · 13 mi away
0.49 MGD
Hills, City Of WWTF: 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 August 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms