What is the address of Arthur City Of STP?

The address on the plant’s EPA facility record is Highway 175 On The East Edge O, Arthur, IA 51431, in Ida County. Its coordinates are 42.3368, -95.3535. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Arthur City Of STP use?

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

What is the NPDES permit for Arthur City Of STP?

The facility discharges under NPDES permit IA0025887, currently effective, expiring August 2030.

Is Arthur City Of STP in compliance?

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

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

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

Try for free Log in

Arthur City Of STP

Highway 175 On The East Edge O, Arthur, IA 51431 · Ida County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0025887; Effective

Permit expires: August 2030

Population served: 222; CWNS 2022

Arthur City Of STP is a publicly owned wastewater treatment works in Arthur, Ida County, Iowa, serving about 222 residents. It discharges under NPDES permit IA0025887 (effective), which expires in August 2030, with 2 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Arthur City Of STP: 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

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

Unlock 1 verified contact

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

Try Klarifi free

Nearby wastewater treatment plants in Iowa

Odebolt City Of STP

Odebolt · 5 mi away

0.15 MGD

Ida Grove WWTP

Ida Grove · 7 mi away

0.17 MGD

Kiron WWTP

Kiron · 10 mi away

0.04 MGD

Schaller City Of STP

Schaller · 12 mi away

—

Battle Creek WWTP

Battle Creek · 13 mi away

—

Early City Of STP

Early · 13 mi away

—

Galva WWTP

Galva · 13 mi away

0.04 MGD

Schleswig City Of STP

Schleswig · 13 mi away

0.1 MGD

Arthur 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 May 17, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms

Try Klarifi for free

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

Try for free