How much wastewater does Allerton City Of STP South treat?

Allerton City Of STP South treats an average of 0.03 MGD and is permitted for a design flow of 0.28 MGD.

What treatment technology does Allerton City Of STP South use?

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

What is the NPDES permit for Allerton City Of STP South?

The facility discharges under NPDES permit IA0054046, currently administratively continued, expiring August 2026.

Is Allerton City Of STP South in compliance?

Discharge monitoring reports show 33 violations at Allerton City Of STP South in the last three years, 27 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

Try for free Log in

Allerton City Of STP South

Allerton, IA 50008 · Wayne County · Publicly Owned Treatment Works

Average flow: 0.03 MGD

Design flow: 0.28 MGD

NPDES permit: IA0054046; Administratively continued

Permit expires: August 2026

Population served: 516; CWNS 2022

Allerton City Of STP South is a publicly owned wastewater treatment works in Allerton, Wayne County, Iowa treating an average of 0.03 million gallons per day against a permitted design capacity of 0.28 MGD, serving about 516 residents. It discharges under NPDES permit IA0054046 (administratively continued), which expires in August 2026, with 33 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations: 33

Effluent violations: 27

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

Key contacts

1 verified contact for Allerton City Of STP South, with validated emails and direct phone numbers.

Unlock 1 verified contact

Names, validated emails and direct phone numbers for decision-makers at Allerton City Of STP South, plus the full compliance history and discharge data.

Try Klarifi free

Nearby wastewater treatment plants in Iowa

Allerton City Of STP North

Allerton · 1 mi away

—

Corydon City Of STP

Corydon · 4 mi away

0.47 MGD

Lineville City Of STP

Lineville · 11 mi away

—

Promise City, City Of STP

Promise City · 12 mi away

—

Seymour City Of STP

Seymour · 14 mi away

0.04 MGD

Humeston City Of STP

Humeston · 14 mi away

0.13 MGD

Garden Grove City Of STP

Garden Grove · 16 mi away

—

Plano Iowa-Adlm-Fms

Plano · 17 mi away

—

Allerton City Of STP South: 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 September 14, 2026.

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

Try Klarifi for free

Create your own trial account and explore how Klarifi can help you.

Try for free