What is the address of Hartford, City Of?

The address on the plant’s EPA facility record is PO Box 727, Hartford, SD 57033, in Minnehaha County. Its coordinates are 43.6110, -96.9347. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Hartford, City Of treat?

Hartford, City Of treats an average of 0.87 MGD and is permitted for a design flow of 1 MGD.

What treatment technology does Hartford, City Of use?

Klarifi has identified 2 treatment structures and unit processes at the Hartford facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Hartford, City Of?

The facility discharges under NPDES permit SD0021750, currently administratively continued, expiring December 2024.

Is Hartford, City Of in compliance?

Discharge monitoring reports show 117 violations at Hartford, City Of in the last three years, 11 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Hartford, City Of

PO Box 727, Hartford, SD 57033 · Minnehaha County · Publicly Owned Treatment Works

Average flow: 0.87 MGD

Design flow: 1 MGD

NPDES permit: SD0021750; Administratively continued

Permit expires: December 2024

Population served: 4,128; CWNS 2022

Hartford, City Of is a publicly owned wastewater treatment plant in Hartford, Minnehaha County, South Dakota treating an average of 0.87 million gallons per day against a permitted design capacity of 1 MGD, serving about 4,128 residents. It discharges under NPDES permit SD0021750 (administratively continued), which expires in December 2024, with 117 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Hartford, City Of.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 117

Effluent violations: 11

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

Key contacts

Decision-makers at Hartford, City Of.

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Parker, City Of · 17 mi away

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Dell Rapids, City Of

Dell Rapids · 17 mi away

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Harrisburg - City Of

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Hartford, 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 April 24, 2025.

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

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