What is the address of Emerson City Of STP?

The address on the plant’s EPA facility record is 1/4 Mile SW Of Edwards St & South Ave Intersection, Emerson, IA 51533, in Mills County. Its coordinates are 41.0108, -95.4101. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Emerson City Of STP use?

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

What is the NPDES permit for Emerson City Of STP?

The facility discharges under NPDES permit IA0024562, currently administratively continued, expiring April 2023.

Is Emerson City Of STP in compliance?

Discharge monitoring reports show 8 violations at Emerson City Of STP in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Emerson City Of STP

1/4 Mile SW Of Edwards St & South Ave Intersection, Emerson, IA 51533 · Mills County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0024562; Administratively continued

Permit expires: April 2023

Population served: 403; CWNS 2022

Emerson City Of STP is a publicly owned wastewater treatment works in Emerson, Mills County, Iowa, serving about 403 residents. It discharges under NPDES permit IA0024562 (administratively continued), which expires in April 2023, with 8 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 8

Effluent violations: 8

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

Key contacts

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

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Emerson 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 9, 2025.

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

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