What is the address of Murray City Of STP?

The address on the plant’s EPA facility record is 420 Maple Street, Murray, IA 50174, in Clarke County. Its coordinates are 41.0358, -93.9348. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Murray City Of STP treat?

Murray City Of STP is permitted for a design flow of 0.13 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Murray City Of STP use?

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

What is the NPDES permit for Murray City Of STP?

The facility discharges under NPDES permit IA0063304, currently effective, expiring August 2029.

Is Murray City Of STP in compliance?

Discharge monitoring reports show 8 violations at Murray City Of STP in the last three years, 8 of them effluent limit exceedances. The full history is available in Klarifi.

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

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

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Murray City Of STP

420 Maple Street, Murray, IA 50174 · Clarke County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.13 MGD

NPDES permit: IA0063304; Effective

Permit expires: August 2029

Population served: 684; CWNS 2022

Murray City Of STP is a publicly owned wastewater treatment works in Murray, Clarke County, Iowa, serving about 684 residents. It discharges under NPDES permit IA0063304 (effective), which expires in August 2029, with 8 recorded violations in the last three years.

Treatment technology

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

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 8

Effluent violations: 8

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

Key contacts

1 verified contact for Murray 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 Murray City Of STP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Iowa

Thayer City Of STP

Thayer · 7 mi away

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Lorimor City Of STP

Lorimor · 8 mi away

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Osceola WWTP South

Osceola · 10 mi away

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East Peru City Of STP (warren Water District)

Peru · 14 mi away

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Afton City Of STP

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New Virginia WWTP

New Virginia · 14 mi away

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Van Wert WWTP

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Weldon City Of STP

Weldon · 15 mi away

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Murray 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 · Tertiary treatment · Significant industrial user · all terms

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