What is the address of Keswick, City Of STP?

The address on the plant’s EPA facility record is 901 North 8th Street, Keswick, IA 50136, in Keokuk County. Its coordinates are 41.4664, -92.2381. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Keswick, City Of STP use?

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

What is the NPDES permit for Keswick, City Of STP?

The facility discharges under NPDES permit IA0079910, currently effective, expiring July 2027.

Is Keswick, City Of STP in compliance?

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

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

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

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Keswick, City Of STP

901 North 8th Street, Keswick, IA 50136 · Keokuk County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0079910; Effective

Permit expires: July 2027

Population served: 242; CWNS 2022

Keswick, City Of STP is a publicly owned wastewater treatment works in Keswick, Keokuk County, Iowa, serving about 242 residents. It discharges under NPDES permit IA0079910 (effective), which expires in July 2027, with 5 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

See the full treatment train at Keswick, 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

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

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

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Keswick, 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 28, 2025.

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

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