What is the address of Goldfield City Of STP?

The address on the plant’s EPA facility record is Highway 3, Goldfield, IA 50542, in Wright County. Its coordinates are 42.7339, -93.9392. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Goldfield City Of STP treat?

Goldfield City Of STP treats an average of 0.09 MGD and is permitted for a design flow of 0.18 MGD.

What treatment technology does Goldfield City Of STP use?

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

What is the NPDES permit for Goldfield City Of STP?

The facility discharges under NPDES permit IA0036137, currently administratively continued, expiring July 2018.

Is Goldfield City Of STP in compliance?

Discharge monitoring reports show 4 violations at Goldfield City Of STP in the last three years, 4 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Goldfield City Of STP

Highway 3, Goldfield, IA 50542 · Wright County · Publicly Owned Treatment Works

Average flow: 0.09 MGD

Design flow: 0.18 MGD

NPDES permit: IA0036137; Administratively continued

Permit expires: July 2018

Population served: 634; CWNS 2022

Goldfield City Of STP is a publicly owned wastewater treatment works in Goldfield, Wright County, Iowa treating an average of 0.09 million gallons per day against a permitted design capacity of 0.18 MGD, serving about 634 residents. It discharges under NPDES permit IA0036137 (administratively continued), which expires in July 2018, with 4 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 4

Effluent violations: 4

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

Key contacts

Decision-makers at Goldfield City Of STP.

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Goldfield 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 February 26, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms

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