What is the address of Platte, City Of?

The address on the plant’s EPA facility record is PO Box 236, Platte, SD 57369, in Charles Mix County. Its coordinates are 43.3856, -98.8713. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Platte, City Of treat?

Platte, City Of treats an average of 0.14 MGD and is permitted for a design flow of 0.16 MGD.

What treatment technology does Platte, City Of use?

Klarifi has identified one treatment structure or unit process at the Platte facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Platte, City Of?

The facility discharges under NPDES permit SD0020354, currently effective, expiring December 2028.

Is Platte, City Of in compliance?

Discharge monitoring reports show 130 violations at Platte, City Of in the last three years, 18 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Platte, City Of and how do I contact them?

Platte, City Of is a publicly owned treatment works in Platte, South Dakota. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Platte, City Of

PO Box 236, Platte, SD 57369 · Charles Mix County · Publicly Owned Treatment Works

Average flow: 0.14 MGD

Design flow: 0.16 MGD

NPDES permit: SD0020354; Effective

Permit expires: December 2028

Population served: 1,425; CWNS 2022

Platte, City Of is a publicly owned wastewater treatment plant in Platte, Charles Mix County, South Dakota treating an average of 0.14 million gallons per day against a permitted design capacity of 0.16 MGD, serving about 1,425 residents. It discharges under NPDES permit SD0020354 (effective), which expires in December 2028, with 130 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Platte, City Of: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 130

Effluent violations: 18

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

Key contacts

Decision-makers at Platte, City Of.

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Platte, 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 August 19, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

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