How much wastewater does Andover City Of STP treat?

Andover City Of STP is permitted for a design flow of 0.02 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Andover City Of STP use?

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

What is the NPDES permit for Andover City Of STP?

The facility discharges under NPDES permit IA0021091, currently effective, expiring May 2029.

Is Andover City Of STP in compliance?

Discharge monitoring reports show 12 violations at Andover City Of STP in the last three years, 12 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Andover City Of STP

Andover, IA 52701 · Clinton County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.02 MGD

NPDES permit: IA0021091; Effective

Permit expires: May 2029

Population served: 103; CWNS 2022

Andover City Of STP is a publicly owned wastewater treatment works in Andover, Clinton County, Iowa, serving about 103 residents. It discharges under NPDES permit IA0021091 (effective), which expires in May 2029, with 12 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 12

Effluent violations: 12

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

Key contacts

Decision-makers at Andover City Of STP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Iowa

Miles WWTP

Miles · 6 mi away

—

Goose Lake City Of STP

Goose Lake · 7 mi away

—

Sabula City Of STP

Sabula · 7 mi away

0.06 MGD

Preston WWTP

Preston · 9 mi away

0.08 MGD

Charlotte City Of STP

Charlotte · 11 mi away

—

City Of Spragueville STP

Spragueville · 11 mi away

0.0035 MGD

Clinton WWTP

Clinton · 12 mi away

6.52 MGD

Springbrook WWTP

Springbrook · 17 mi away

—

Andover 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 7, 2025.

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

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