How much wastewater does Clear Lake, City Of treat?

Clear Lake, City Of is permitted for a design flow of 0.12 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Clear Lake, City Of use?

Klarifi has identified uncovered lagoons at the Clear Lake facility.

What is the NPDES permit for Clear Lake, City Of?

The facility discharges under NPDES permit SD0020699, currently administratively continued, expiring June 2024.

Is Clear Lake, City Of in compliance?

Discharge monitoring reports show 24 violations at Clear Lake, City Of in the last three years, 9 of them effluent limit exceedances. The full history is available in Klarifi.

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

Clear Lake, City Of is a publicly owned treatment works in Clear Lake, South Dakota. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Clear Lake, City Of

Clear Lake, SD · Deuel County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.12 MGD

NPDES permit: SD0020699; Administratively continued

Permit expires: June 2024

Population served: —; CWNS 2022

Clear Lake, City Of is a publicly owned wastewater treatment plant in Clear Lake, Deuel County, South Dakota. Treatment on site includes uncovered lagoons. It discharges under NPDES permit SD0020699 (administratively continued), which expires in June 2024, with 24 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Uncovered lagoons

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Compliance snapshot (last 3 years)

Total violations: 24

Effluent violations: 9

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

Key contacts

1 verified contact for Clear Lake, City Of, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Clear Lake, City Of, plus the full compliance history and discharge data.

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Clear Lake, 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 September 11, 2026; facility record last updated November 26, 2025.

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