What is the address of Vermillion, City Of?

The address on the plant’s EPA facility record is 1530 S Dakota Street, Vermillion, SD 57069, in Clay County. Its coordinates are 42.7622, -96.9183. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Vermillion, City Of treat?

Vermillion, City Of treats an average of 1.06 MGD and is permitted for a design flow of 2 MGD.

What treatment technology does Vermillion, City Of use?

Klarifi has identified 4 treatment structures and unit processes at the Vermillion facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Vermillion, City Of?

The facility discharges under NPDES permit SD0020061, currently administratively continued, expiring September 2017.

Is Vermillion, City Of in compliance?

Discharge monitoring reports show 2 violations at Vermillion, City Of in the last three years. The full history is available in Klarifi.

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

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

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Vermillion, City Of

1530 S Dakota Street, Vermillion, SD 57069 · Clay County · Publicly Owned Treatment Works

Average flow: 1.06 MGD

Design flow: 2 MGD

NPDES permit: SD0020061; Administratively continued

Permit expires: September 2017

Population served: —; CWNS 2022

Vermillion, City Of is a publicly owned wastewater treatment plant in Vermillion, Clay County, South Dakota treating an average of 1.06 million gallons per day against a permitted design capacity of 2 MGD. It discharges under NPDES permit SD0020061 (administratively continued), which expires in September 2017, with 2 recorded violations in the last three years.

Treatment technology

4 treatment structures and unit processes identified at Vermillion, City Of.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 0

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

Key contacts

Decision-makers at Vermillion, City Of.

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North Sioux City, City Of (wtp)

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Hurley - City Of

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Lesterville, Town Of

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Tabor - Town Of

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Worthing, City Of

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Vermillion, 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 March 17, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms

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