What is the address of Weldon City Of STP?

The address on the plant’s EPA facility record is About 0.7 Miles South Of The I, Weldon, IA 50264, in Decatur County. Its coordinates are 40.8888, -93.7321. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Weldon City Of STP use?

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

What is the NPDES permit for Weldon City Of STP?

The facility discharges under NPDES permit IA0069167, currently administratively continued, expiring May 2022.

Is Weldon City Of STP in compliance?

Discharge monitoring reports show 26 violations at Weldon City Of STP in the last three years, 20 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Weldon City Of STP

About 0.7 Miles South Of The I, Weldon, IA 50264 · Decatur County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0069167; Administratively continued

Permit expires: May 2022

Population served: 136; CWNS 2022

Weldon City Of STP is a publicly owned wastewater treatment works in Weldon, Decatur County, Iowa, serving about 136 residents. It discharges under NPDES permit IA0069167 (administratively continued), which expires in May 2022, with 26 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 26

Effluent violations: 20

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

Key contacts

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

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Weldon 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 7, 2026.

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

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