What is the address of Lamoni WWTP?

The address on the plant’s EPA facility record is 300th St, Lamoni, IA 50140, in Decatur County. Its coordinates are 40.6113, -93.9297. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Lamoni WWTP treat?

Lamoni WWTP treats an average of 0.42 MGD and is permitted for a design flow of 1.83 MGD.

What treatment technology does Lamoni WWTP use?

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

What is the NPDES permit for Lamoni WWTP?

The facility discharges under NPDES permit IA0036102, currently effective, expiring May 2027.

Is Lamoni WWTP in compliance?

Discharge monitoring reports show 6 violations at Lamoni WWTP in the last three years, 5 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Lamoni WWTP and how do I contact them?

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

Try for free Log in

Lamoni WWTP

300th St, Lamoni, IA 50140 · Decatur County · Publicly Owned Treatment Works

Average flow: 0.42 MGD

Design flow: 1.83 MGD

NPDES permit: IA0036102; Effective

Permit expires: May 2027

Population served: 2,554; CWNS 2022

Lamoni WWTP is a publicly owned wastewater treatment works in Lamoni, Decatur County, Iowa treating an average of 0.42 million gallons per day against a permitted design capacity of 1.83 MGD, serving about 2,554 residents. It discharges under NPDES permit IA0036102 (effective), which expires in May 2027, with 6 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Lamoni WWTP.

Available with a free Klarifi account

See the full treatment train at Lamoni WWTP: structures, unit processes and planned upgrades, with exact unit counts.

Create a free account

Compliance snapshot (last 3 years)

Total violations: 6

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 Lamoni WWTP, with validated emails and direct phone numbers.

Unlock 1 verified contact

Names, validated emails and direct phone numbers for decision-makers at Lamoni WWTP, plus the full compliance history and discharge data.

Try Klarifi free

Nearby wastewater treatment plants in Iowa

Davis City WWTP

Davis City · 7 mi away

0.01 MGD

Kellerton City Of STP

Kellerton · 9 mi away

—

Decatur City Sewer Treatment Plant

Decatur · 10 mi away

—

Leon WWTP

Leon · 13 mi away

0.2 MGD

Grand River WWTP

Grand River · 14 mi away

—

Sun Valley Sanitary District Lagoon

Ellston · 17 mi away

—

Van Wert WWTP

Van Wert · 19 mi away

—

Weldon City Of STP

Weldon · 22 mi away

—

Lamoni WWTP: 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 March 16, 2025.

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

Try Klarifi for free

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

Try for free