What is the address of Newhall WWTP?

The address on the plant’s EPA facility record is 0.4 Miles NE Of 26th Av & 71st, Newhall, IA 52315, in Benton County. Its coordinates are 41.9954, -91.9809. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Newhall WWTP treat?

Newhall WWTP treats an average of 0.28 MGD and is permitted for a design flow of 0.8 MGD.

What treatment technology does Newhall WWTP use?

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

What is the NPDES permit for Newhall WWTP?

The facility discharges under NPDES permit IA0043664, currently effective, expiring May 2028.

Is Newhall WWTP in compliance?

Discharge monitoring reports show 7 violations at Newhall WWTP in the last three years, 7 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Newhall WWTP and how do I contact them?

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

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Newhall WWTP

0.4 Miles NE Of 26th Av & 71st, Newhall, IA 52315 · Benton County · Publicly Owned Treatment Works

Average flow: 0.28 MGD

Design flow: 0.8 MGD

NPDES permit: IA0043664; Effective

Permit expires: May 2028

Population served: 876; CWNS 2022

Newhall WWTP is a publicly owned wastewater treatment works in Newhall, Benton County, Iowa treating an average of 0.28 million gallons per day against a permitted design capacity of 0.8 MGD, serving about 876 residents. It discharges under NPDES permit IA0043664 (effective), which expires in May 2028, with 7 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Newhall WWTP.

Available with a free Klarifi account

See the full treatment train at Newhall WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 7

Effluent violations: 7

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

Key contacts

1 verified contact for Newhall WWTP, with validated emails and direct phone numbers.

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Names, validated emails and direct phone numbers for decision-makers at Newhall WWTP, plus the full compliance history and discharge data.

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Blairstown City Of

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Shellsburg WWTP

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Walford WWTP

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Fairfax WWTP

Fairfax · 12 mi away

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Newhall WWTP: 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 August 17, 2026.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Ozonation · Activated sludge · all terms

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