West Liberty City Of STP
West Liberty, IA · Muscatine County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- 4.61 MGD
- NPDES permit
- IA0031691
- Effective
- Permit expires
- June 2030
- Population served
- 3,858
- CWNS 2022
West Liberty City Of STP is a publicly owned wastewater treatment works in West Liberty, Muscatine County, Iowa, serving about 3,858 residents. Treatment on site includes clarifiers, uncovered lagoons. It discharges under NPDES permit IA0031691 (effective), which expires in June 2030, with 18 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
- 18
- Effluent violations
- 17
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in West Liberty
West Liberty's capital improvement plan lists 8 water, sewer and wastewater line items worth $2M starting 2025–2025. The largest budgeted items are shown here.
All water and sewer capital projects in West Liberty →
| Project | Budget | Years |
|---|---|---|
| 6th Street Water Improvements | $483,714 | 2025–2027 |
| Sewer Lining and Manhole Restoration | $300,000 | 2025–2026 |
| Backup Power Capabilities and Generator for Lift Stations (QTY 6) | $207,500 | 2025–2027 |
| 6th Street Sanitary Improvements | $194,510 | 2025–2027 |
| Clay Street Water Improvements | $180,000 | 2025–2027 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
2 verified contacts for West Liberty City Of STP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at West Liberty City Of STP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Iowa
Atalissa · 5 mi away
0.02 MGD
Nichols · 7 mi away
—
West Branch · 8 mi away
—
Lone Tree · 11 mi away
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Iowa City · 13 mi away
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Conesville · 14 mi away
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Muscatine · 14 mi away
—
Hills · 15 mi away
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West Liberty 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 May 17, 2025.