What is the address of Casey WWTP?

The address on the plant’s EPA facility record is 350th St, Casey, IA 50048, in Guthrie County. Its coordinates are 41.5042, -94.5084. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Casey WWTP treat?

Casey WWTP treats an average of 0.09 MGD and is permitted for a design flow of 0.11 MGD.

What treatment technology does Casey WWTP use?

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

What is the NPDES permit for Casey WWTP?

The facility discharges under NPDES permit IA0027197, currently effective, expiring August 2029.

Is Casey WWTP in compliance?

Discharge monitoring reports show 28 violations at Casey WWTP in the last three years, 28 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Casey WWTP and how do I contact them?

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

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Casey WWTP

350th St, Casey, IA 50048 · Guthrie County · Publicly Owned Treatment Works

Average flow: 0.09 MGD

Design flow: 0.11 MGD

NPDES permit: IA0027197; Effective

Permit expires: August 2029

Population served: 387; CWNS 2022

Casey WWTP is a publicly owned wastewater treatment works in Casey, Guthrie County, Iowa treating an average of 0.09 million gallons per day against a permitted design capacity of 0.11 MGD, serving about 387 residents. It discharges under NPDES permit IA0027197 (effective), which expires in August 2029, with 28 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Casey WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 28

Effluent violations: 28

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

Key contacts

Decision-makers at Casey WWTP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Iowa

Menlo WWTP

Menlo · 5 mi away

—

Adair WWTP

Adair · 7 mi away

0.16 MGD

Stuart WWTP

Stuart · 10 mi away

0.41 MGD

Guthrie Ctr City Of STP

Guthrie Center · 12 mi away

0.12 MGD

Dexter City Of STP

Dexter · 14 mi away

—

Panora WWTP

Panora · 15 mi away

0.35 MGD

Linden City Of STP

Linden · 15 mi away

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Fontanelle City Of STP

Fontanelle · 16 mi away

0.11 MGD

Casey 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 September 26, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms

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