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Marion, City Of

PO Box 94, Marion, SD 57043 · Turner County · Publicly Owned Treatment Works

Average flow
—
Design flow
0.08 MGD
NPDES permit
SD0020311
Effective
Permit expires
January 2031
Population served
903
CWNS 2022

Marion, City Of is a publicly owned wastewater treatment plant in Marion, Turner County, South Dakota, serving about 903 residents. It discharges under NPDES permit SD0020311 (effective), which expires in January 2031, with 91 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Marion, City Of.

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Compliance snapshot (last 3 years)

Total violations
91
Effluent violations
2

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

Key contacts

Decision-makers at Marion, City Of.

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Nearby wastewater treatment plants in South Dakota

Monroe, Town Of

Monroe · 3 mi away

—

Parker, City Of

Parker, City Of · 6 mi away

—

Canistota, City Of

Canistota · 11 mi away

—

Chancellor, Town Of

Chancellor · 13 mi away

—

Hurley - City Of

Hurley · 14 mi away

—

Freeman, City Of

Freeman · 14 mi away

0.29 MGD

Bridgewater, City Of

Bridgewater · 16 mi away

—

Lennox, City Of

Lennox · 18 mi away

0.16 MGD

Marion, City Of: 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 26, 2026; facility record last updated November 19, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms


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