How much wastewater does Hancock City Of STP treat?

Hancock City Of STP is permitted for a design flow of 0.08 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Hancock City Of STP use?

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

What is the NPDES permit for Hancock City Of STP?

The facility discharges under NPDES permit IA0023485, currently effective, expiring January 2030.

Is Hancock City Of STP in compliance?

Discharge monitoring reports show 8 violations at Hancock City Of STP in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Hancock City Of STP

Hancock, IA 51536 · Pottawattamie County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.08 MGD

NPDES permit: IA0023485; Effective

Permit expires: January 2030

Population served: 200; CWNS 2022

Hancock City Of STP is a publicly owned wastewater treatment works in Hancock, Pottawattamie County, Iowa, serving about 200 residents. It discharges under NPDES permit IA0023485 (effective), which expires in January 2030, with 8 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Hancock City Of STP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 8

Effluent violations: 8

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

Key contacts

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

Unlock 1 verified contact

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

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Nearby wastewater treatment plants in Iowa

Avoca City Of STP

Avoca · 5 mi away

0.13 MGD

Oakland City Of STP

Oakland · 6 mi away

0.08 MGD

Minden City Of STP

Minden · 10 mi away

0.05 MGD

Walnut City Of STP

Walnut · 10 mi away

0.17 MGD

Shelby City Of STP

Shelby · 10 mi away

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Carson City Of STP

Carson · 11 mi away

0.07 MGD

Neola WWTP

Neola · 13 mi away

0.09 MGD

Macedonia City Of STP

Macedonia · 14 mi away

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Hancock 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 2, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Sludge dewatering · Biological nutrient removal · all terms

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