What is the address of Crescent WWTP?

The address on the plant’s EPA facility record is 0.6 Mile West Of Town & North, Crescent, IA 51526, in Pottawattamie County. Its coordinates are 41.3646, -95.8753. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Crescent WWTP use?

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

What is the NPDES permit for Crescent WWTP?

The facility discharges under NPDES permit IA0076431, currently administratively continued, expiring September 2022.

Is Crescent WWTP in compliance?

Discharge monitoring reports show 17 violations at Crescent WWTP in the last three years, 17 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Crescent WWTP and how do I contact them?

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

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Crescent WWTP

0.6 Mile West Of Town & North, Crescent, IA 51526 · Pottawattamie County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0076431; Administratively continued

Permit expires: September 2022

Population served: 628; CWNS 2022

Crescent WWTP is a publicly owned wastewater treatment works in Crescent, Pottawattamie County, Iowa, serving about 628 residents. It discharges under NPDES permit IA0076431 (administratively continued), which expires in September 2022, with 17 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Crescent WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 17

Effluent violations: 17

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

Key contacts

1 verified contact for Crescent WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Crescent WWTP, plus the full compliance history and discharge data.

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Crescent 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 2, 2025.

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

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