What is the address of Lidderdale WWTP?

The address on the plant’s EPA facility record is 4th St, Lidderdale, IA 51452, in Carroll County. Its coordinates are 42.1297, -94.7892. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Lidderdale WWTP use?

Klarifi has identified 2 treatment structures and unit processes at the Lidderdale facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Lidderdale WWTP?

The facility discharges under NPDES permit IA0056855, currently effective, expiring April 2028.

Is Lidderdale WWTP in compliance?

Discharge monitoring reports show 2 violations at Lidderdale WWTP in the last three years, 2 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Lidderdale WWTP and how do I contact them?

Lidderdale WWTP is a publicly owned treatment works in Lidderdale, Iowa. Klarifi lists decision-maker contacts for this facility, available with a free trial.

Try for free Log in

Lidderdale WWTP

4th St, Lidderdale, IA 51452 · Carroll County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0056855; Effective

Permit expires: April 2028

Population served: 180; CWNS 2022

Lidderdale WWTP is a publicly owned wastewater treatment works in Lidderdale, Carroll County, Iowa, serving about 180 residents. It discharges under NPDES permit IA0056855 (effective), which expires in April 2028, with 2 recorded violations in the last three years.

Treatment technology

2 treatment structures and unit processes identified at Lidderdale WWTP.

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations: 2

Effluent violations: 2

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

Key contacts

Decision-makers at Lidderdale WWTP.

No verified contacts on file yet

Klarifi verifies plant and municipal decision-makers continuously. Start a free trial to browse contacts at nearby plants and flag this one for verification.

Try Klarifi free

Nearby wastewater treatment plants in Iowa

Carroll WWTP

Carroll · 6 mi away

1.04 MGD

Lanesboro City Of STP

Lanesboro · 6 mi away

—

Glidden WWTP

Glidden · 6 mi away

0.15 MGD

Maple River Junction WWTP

Carroll · 8 mi away

0.0071 MGD

Auburn City Of STP

Auburn · 10 mi away

—

Lake City WWTP

Lake City · 10 mi away

0.27 MGD

Breda WWTP

Breda · 11 mi away

—

Halbur City Of (west Central Ia Rural Water Assn)

Halbur · 13 mi away

—

Lidderdale 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 September 13, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biological nutrient removal · Tertiary treatment · all terms

Try Klarifi for free

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

Try for free