What treatment technology does Garden Grove City Of STP use?

Klarifi has identified uncovered lagoons at the Garden Grove facility.

What is the NPDES permit for Garden Grove City Of STP?

The facility discharges under NPDES permit IA0069175, currently administratively continued, expiring October 2022.

Is Garden Grove City Of STP in compliance?

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

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

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

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Garden Grove City Of STP

Garden Grove, IA · Decatur County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0069175; Administratively continued

Permit expires: October 2022

Population served: 171; CWNS 2022

Garden Grove City Of STP is a publicly owned wastewater treatment works in Garden Grove, Decatur County, Iowa, serving about 171 residents. Treatment on site includes uncovered lagoons. It discharges under NPDES permit IA0069175 (administratively continued), which expires in October 2022, with 0 recorded violations in the last three years.

Treatment technology

Treatment structures identified at this facility. Exact unit counts are available in Klarifi.

Uncovered lagoons

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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 Garden Grove 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 Garden Grove City Of STP, plus the full compliance history and discharge data.

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Garden Grove 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 September 11, 2026; facility record last updated March 11, 2025.

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