How much wastewater does Hartford City Of STP treat?

Hartford City Of STP treats an average of 0.15 MGD and is permitted for a design flow of 0.33 MGD.

What treatment technology does Hartford City Of STP 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 STP?

The facility discharges under NPDES permit IA0066761, currently effective, expiring November 2026.

Is Hartford City Of STP in compliance?

Discharge monitoring reports show 49 violations at Hartford City Of STP in the last three years, 33 of them effluent limit exceedances. The full history is available in Klarifi.

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

Hartford City Of STP is a publicly owned treatment works in Hartford, Iowa. Klarifi lists 1 verified decision-maker contact for this facility, available with a free trial.

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Hartford City Of STP

Hartford, IA 50118 · Warren County · Publicly Owned Treatment Works

Average flow: 0.15 MGD

Design flow: 0.33 MGD

NPDES permit: IA0066761; Effective

Permit expires: November 2026

Population served: 803; CWNS 2022

Hartford City Of STP is a publicly owned wastewater treatment works in Hartford, Warren County, Iowa treating an average of 0.15 million gallons per day against a permitted design capacity of 0.33 MGD, serving about 803 residents. It discharges under NPDES permit IA0066761 (effective), which expires in November 2026, with 49 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 49

Effluent violations: 33

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

Key contacts

1 verified contact for Hartford City Of STP, with validated emails and direct phone numbers.

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

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Nearby wastewater treatment plants in Iowa

Runnells City Of STP

Runnells · 4 mi away

0.05 MGD

Carlisle City Of STP

Carlisle · 4 mi away

0.5 MGD

Pleasantville Water Works

Pleasantville · 9 mi away

0.26 MGD

Indianola Water Resource Recovery Facility

Indianola · 10 mi away

1.96 MGD

Milo City Of STP

Milo · 13 mi away

0.08 MGD

Prairie City, City Of STP

Prairie City · 13 mi away

0.32 MGD

Mitchellville Water Supply

Mitchellville · 14 mi away

0.4 MGD

Monroe City Of STP (west)

Monroe · 15 mi away

0.27 MGD

Hartford City Of STP: 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 28, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms

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