What is the address of Garden Grove City Of STP?

The address on the plant’s EPA facility record is North Tiffin Street, Garden Grove, IA 50103, in Decatur County. Its coordinates are 40.8336, -93.6083. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Garden Grove City Of STP use?

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

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

North Tiffin Street, Garden Grove, IA 50103 · 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. It discharges under NPDES permit IA0069175 (administratively continued), which expires in October 2022, with 0 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Garden Grove 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 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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Derby City Of STP

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Decatur City Sewer Treatment Plant

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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 October 26, 2026; facility record last updated March 11, 2025.

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

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