PO Box 35, Andover, SD 57422 · Day County · Publicly Owned Treatment Works
Andover, Town Of is a publicly owned wastewater treatment plant in Andover, Day County, South Dakota. It discharges under NPDES permit SDG921504 (administratively continued), which expires in August 2026, with 112 recorded violations in the last three years.
One treatment structure or unit process identified at Andover, Town Of.
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See the full treatment train at Andover, Town Of: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
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Groton · 9 mi away
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Bristol · 9 mi away
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Langford · 14 mi away
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Claremont · 18 mi away
0.05 MGD
Roslyn · 21 mi away
0.07 MGD
Warner · 29 mi away
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Mellette · 33 mi away
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Ashton · 40 mi away
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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 26, 2026; facility record last updated September 13, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms