What treatment technology does Arispe City Of STP use?

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

What is the NPDES permit for Arispe City Of STP?

The facility discharges under NPDES permit IA0074462, currently administratively continued, expiring April 2016.

Is Arispe City Of STP in compliance?

Discharge monitoring reports show 5 violations at Arispe City Of STP in the last three years, 5 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Arispe City Of STP

Arispe, IA 50831 · Union County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0074462; Administratively continued

Permit expires: April 2016

Population served: —; CWNS 2022

Arispe City Of STP is a publicly owned wastewater treatment works in Arispe, Union County, Iowa. It discharges under NPDES permit IA0074462 (administratively continued), which expires in April 2016, with 5 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 5

Effluent violations: 5

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

Key contacts

Decision-makers at Arispe City Of STP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Iowa

Afton City Of STP

Afton · 5 mi away

0.1 MGD

Thayer City Of STP

Thayer · 9 mi away

—

Sun Valley Sanitary District Lagoon

Ellston · 11 mi away

—

Creston City Of STP

Creston · 12 mi away

1.25 MGD

Diagonal City Of STP

Diagonal · 12 mi away

—

Cromwell, City-STP -Sirwa

Creston · 15 mi away

—

Lorimor City Of STP

Lorimor · 15 mi away

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Murray City Of STP

Murray · 16 mi away

—

Arispe 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 March 8, 2025.

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

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