Miami Co. S.D - Walnut Creek Estates
Hillsdale, KS · Miami County · Publicly Owned Treatment Works
- Average flow
- 0.0066 MGD
- Design flow
- —
- NPDES permit
- KS0093441
- Effective
- Permit expires
- December 2029
- Population served
- 205
- CWNS 2022
Miami Co. S.D - Walnut Creek Estates is a publicly owned wastewater treatment plant in Hillsdale, Miami County, Kansas treating an average of 0.0066 million gallons per day, serving about 205 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit KS0093441 (effective), which expires in December 2029, with 3 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Uncovered lagoons
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Compliance snapshot (last 3 years)
- Total violations
- 3
- Effluent violations
- 3
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
Decision-makers at Miami Co. S.D - Walnut Creek Estates.
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Nearby wastewater treatment plants in Kansas
Paola · 3 mi away
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Spring Hill · 3 mi away
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Spring Hill · 5 mi away
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Bucyrus · 6 mi away
0.0094 MGD
Paola · 9 mi away
0.64 MGD
Edgerton · 10 mi away
0.17 MGD
Osawatomie · 13 mi away
0.42 MGD
Gardner · 14 mi away
1.83 MGD
Miami Co. S.D - Walnut Creek Estates: 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 March 8, 2025.