Lancaster Sewage Treatment Plant C/o City Hall
300 Kansas Street, Lancaster, KS 66041 · Atchison County · Publicly Owned Treatment Works
- Average flow
- —
- Design flow
- —
- NPDES permit
- KS0024864
- Effective
- Permit expires
- December 2026
- Population served
- 301
- CWNS 2022
Lancaster Sewage Treatment Plant C/o City Hall is a publicly owned wastewater treatment works in Lancaster, Atchison County, Kansas, serving about 301 residents. It discharges under NPDES permit KS0024864 (effective), which expires in December 2026, with 3 recorded violations in the last three years.
Treatment technology
One treatment structure or unit process identified at Lancaster Sewage Treatment Plant C/o City Hall.
Available with a free Klarifi account
See the full treatment train at Lancaster Sewage Treatment Plant C/o City Hall: structures, unit processes and planned upgrades, with exact unit counts.
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 Lancaster Sewage Treatment Plant C/o City Hall.
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Nearby wastewater treatment plants in Kansas
Huron · 1 mi away
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Effingham · 5 mi away
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Atchison · 9 mi away
0.9 MGD
Everest · 9 mi away
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Muscotah · 12 mi away
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Horton · 13 mi away
0.18 MGD
Whiting · 16 mi away
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Winchester · 17 mi away
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Lancaster Sewage Treatment Plant C/o City Hall: 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 19, 2026; facility record last updated March 17, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms