Emporia Wastewater Treatment Plant
Emporia, KS · Lyon County · Publicly Owned Treatment Works
- Average flow
- 4.23 MGD
- Design flow
- —
- NPDES permit
- KS0046728
- Effective
- Permit expires
- April 2028
- Population served
- 24,587
- CWNS 2022
Emporia Wastewater Treatment Plant is a publicly owned wastewater treatment works in Emporia, Lyon County, Kansas treating an average of 4.23 million gallons per day, serving about 24,587 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit KS0046728 (effective), which expires in April 2028, with 27 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
- 27
- Effluent violations
- 26
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Key contacts
33 verified contacts for Emporia Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 33 verified contacts (30 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Emporia Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Kansas
Americus · 9 mi away
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Neosho Rapids · 10 mi away
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Hartford · 13 mi away
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Reading · 15 mi away
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Lebo · 17 mi away
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Madison · 17 mi away
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Admire · 18 mi away
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Burlington · 18 mi away
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Emporia Wastewater 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 March 20, 2025.