Hanston Waste Water Treatment Plant
Hanston, KS · Hodgeman County · Publicly Owned Treatment Works
- Average flow
- 0.0095 MGD
- Design flow
- —
- NPDES permit
- KS0031143
- Effective
- Permit expires
- December 2026
- Population served
- 259
- CWNS 2022
Hanston Waste Water Treatment Plant is a publicly owned wastewater treatment works in Hanston, Hodgeman County, Kansas treating an average of 0.0095 million gallons per day, serving about 259 residents. Treatment on site includes attached growth, aerobic. It discharges under NPDES permit KS0031143 (effective), which expires in December 2026, with 232 recorded violations in the last three years. Planned upgrades on record: lagoon, facultative.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 232
- Effluent violations
- 74
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Hanston Waste Water Treatment Plant.
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Saint John · 53 mi away
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Hays · 55 mi away
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Hanston Waste Water Treatment Plant: 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 January 23, 2025.