What is the address of Hedrick WWTP?

The address on the plant’s EPA facility record is Rte 21, Hedrick, IA 52563, in Keokuk County. Its coordinates are 41.1818, -92.3303. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Hedrick WWTP treat?

Hedrick WWTP treats an average of 0.11 MGD and is permitted for a design flow of 1.07 MGD.

What treatment technology does Hedrick WWTP use?

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

What is the NPDES permit for Hedrick WWTP?

The facility discharges under NPDES permit IA0036498, currently administratively continued, expiring November 2025.

Is Hedrick WWTP in compliance?

Discharge monitoring reports show 3 violations at Hedrick WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Hedrick WWTP and how do I contact them?

Hedrick WWTP is a publicly owned treatment works in Hedrick, Iowa. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Hedrick WWTP

Rte 21, Hedrick, IA 52563 · Keokuk County · Publicly Owned Treatment Works

Average flow: 0.11 MGD

Design flow: 1.07 MGD

NPDES permit: IA0036498; Administratively continued

Permit expires: November 2025

Population served: 875; CWNS 2022

Hedrick WWTP is a publicly owned wastewater treatment works in Hedrick, Keokuk County, Iowa treating an average of 0.11 million gallons per day against a permitted design capacity of 1.07 MGD, serving about 875 residents. It discharges under NPDES permit IA0036498 (administratively continued), which expires in November 2025, with 3 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Hedrick WWTP.

Available with a free Klarifi account

See the full treatment train at Hedrick WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 3

Effluent violations: 3

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

Key contacts

Decision-makers at Hedrick WWTP.

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Nearby wastewater treatment plants in Iowa

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Fremont City Of STP

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Delta WWTP

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0.01 MGD

Kirkville, City Of

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Rose Hill City Of STP

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Sigourney East WWTP

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Chillicothe,city Of-(wapello Rural Water Assn).

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Ottumwa City Of STP

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Hedrick WWTP: 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 · Tertiary treatment · Significant industrial user · all terms

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