How much wastewater does Fontanelle City Of STP treat?

Fontanelle City Of STP treats an average of 0.11 MGD and is permitted for a design flow of 1.4 MGD.

What treatment technology does Fontanelle City Of STP use?

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

What is the NPDES permit for Fontanelle City Of STP?

The facility discharges under NPDES permit IA0041840, currently effective, expiring December 2028.

Is Fontanelle City Of STP in compliance?

Discharge monitoring reports show 10 violations at Fontanelle City Of STP in the last three years, 5 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Fontanelle City Of STP

Fontanelle, IA 50846 · Adair County · Publicly Owned Treatment Works

Average flow: 0.11 MGD

Design flow: 1.4 MGD

NPDES permit: IA0041840; Effective

Permit expires: December 2028

Population served: 684; CWNS 2022

Fontanelle City Of STP is a publicly owned wastewater treatment works in Fontanelle, Adair County, Iowa treating an average of 0.11 million gallons per day against a permitted design capacity of 1.4 MGD, serving about 684 residents. It discharges under NPDES permit IA0041840 (effective), which expires in December 2028, with 10 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 10

Effluent violations: 5

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

Key contacts

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

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Nearby wastewater treatment plants in Iowa

Bridgewater City Of STP

Bridgewater · 5 mi away

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Orient STP (sirwa)

Orient · 9 mi away

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Massena WWTP

Massena · 10 mi away

0.07 MGD

Adair WWTP

Adair · 16 mi away

0.16 MGD

Anita City Of STP

Anita · 16 mi away

0.13 MGD

Casey WWTP

Casey · 16 mi away

0.09 MGD

Cumberland WWTP

Cumberland · 16 mi away

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Cromwell, City-STP -Sirwa

Creston · 17 mi away

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Fontanelle 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 August 3, 2026.

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

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