How much wastewater does Hinton City Of STP treat?

Hinton City Of STP treats an average of 0.04 MGD.

What treatment technology does Hinton City Of STP use?

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

What is the NPDES permit for Hinton City Of STP?

The facility discharges under NPDES permit IA0057053, currently effective, expiring August 2027.

Is Hinton City Of STP in compliance?

Discharge monitoring reports show 7 violations at Hinton City Of STP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Hinton City Of STP

Hinton, IA 51024 · Plymouth County · Publicly Owned Treatment Works

Average flow: 0.04 MGD

Design flow: —

NPDES permit: IA0057053; Effective

Permit expires: August 2027

Population served: 935; CWNS 2022

Hinton City Of STP is a publicly owned wastewater treatment works in Hinton, Plymouth County, Iowa treating an average of 0.04 million gallons per day, serving about 935 residents. It discharges under NPDES permit IA0057053 (effective), which expires in August 2027, with 7 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 7

Effluent violations: 3

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

Key contacts

1 verified contact for Hinton 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 Hinton City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Merrill City Of STP

Merrill · 8 mi away

0.04 MGD

Lawton City Of STP

Lawton · 10 mi away

—

City Of Sioux City STP

Sioux City · 12 mi away

14.01 MGD

Le Mars City Of STP

Le Mars · 13 mi away

—

Brunsville City Of STP

Brunsville · 14 mi away

—

Moville City Of STP

Moville · 15 mi away

0.1 MGD

Kingsley City Of STP

Kingsley · 16 mi away

0.18 MGD

Oyens City Of STP

Oyens · 18 mi away

—

Hinton 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 April 23, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms

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