What is the address of Hornick City Of STP?

The address on the plant’s EPA facility record is South Of 325th Street On West, Hornick, IA 51026, in Woodbury County. Its coordinates are 42.2335, -96.1016. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Hornick City Of STP use?

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

What is the NPDES permit for Hornick City Of STP?

The facility discharges under NPDES permit IA0036501, currently effective, expiring December 2029.

Is Hornick City Of STP in compliance?

Discharge monitoring reports show no violations at Hornick City Of STP in the last three years.

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

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

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Hornick City Of STP

South Of 325th Street On West, Hornick, IA 51026 · Woodbury County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0036501; Effective

Permit expires: December 2029

Population served: 255; CWNS 2022

Hornick City Of STP is a publicly owned wastewater treatment works in Hornick, Woodbury County, Iowa, serving about 255 residents. It discharges under NPDES permit IA0036501 (effective), which expires in December 2029, with 0 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

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

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Hornick 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 February 27, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms

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