What is the address of Terril WWTP?

The address on the plant’s EPA facility record is 320th Ave, Terril, IA 51364, in Dickinson County. Its coordinates are 43.2930, -94.9569. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Terril WWTP use?

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

What is the NPDES permit for Terril WWTP?

The facility discharges under NPDES permit IA0036609, currently effective, expiring March 2028.

Is Terril WWTP in compliance?

Discharge monitoring reports show 1 violation at Terril WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Terril WWTP and how do I contact them?

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

Try for free Log in

Terril WWTP

320th Ave, Terril, IA 51364 · Dickinson County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0036609; Effective

Permit expires: March 2028

Population served: 334; CWNS 2022

Terril WWTP is a publicly owned wastewater treatment works in Terril, Dickinson County, Iowa, serving about 334 residents. It discharges under NPDES permit IA0036609 (effective), which expires in March 2028, with 1 recorded violation in the last three years.

Treatment technology

One treatment structure or unit process identified at Terril WWTP.

Available with a free Klarifi account

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

Create a free account

Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

1 verified contact for Terril WWTP, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

Try Klarifi free

Nearby wastewater treatment plants in Iowa

Wallingford WWTP

Wallingford · 9 mi away

—

Estherville WWTP

Estherville · 9 mi away

1.05 MGD

Iowa Great Lakes Sanitary District WWTP

Milford · 10 mi away

2.5 MGD

Fostoria WWTP

Fostoria · 10 mi away

—

Graettinger City Of STP

Graettinger · 12 mi away

—

Ruthven City Of STP

Ruthven · 12 mi away

0.1 MGD

Spencer, City Of

Spencer · 14 mi away

1.75 MGD

Gruver City Of

Gruver · 15 mi away

—

Terril 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 November 26, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms

Try Klarifi for free

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

Try for free