What is the address of Hillsboro City Of STP?

The address on the plant’s EPA facility record is 0.4 Mile South Of Town, Hillsboro, IA 52630, in Henry County. Its coordinates are 40.8275, -91.7129. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Hillsboro City Of STP use?

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

What is the NPDES permit for Hillsboro City Of STP?

The facility discharges under NPDES permit IA0072435, currently administratively continued, expiring June 2016.

Is Hillsboro City Of STP in compliance?

Discharge monitoring reports show 1 violation at Hillsboro City Of STP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Hillsboro City Of STP

0.4 Mile South Of Town, Hillsboro, IA 52630 · Henry County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0072435; Administratively continued

Permit expires: June 2016

Population served: 163; CWNS 2022

Hillsboro City Of STP is a publicly owned wastewater treatment works in Hillsboro, Henry County, Iowa, serving about 163 residents. It discharges under NPDES permit IA0072435 (administratively continued), which expires in June 2016, with 1 recorded violation in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

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

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Hillsboro 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 28, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Centrate · Ozonation · all terms

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