What is the address of Grand Junction WWTP?

The address on the plant’s EPA facility record is Kelly St E, Grand Junction, IA 50107, in Greene County. Its coordinates are 42.0310, -94.2212. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Grand Junction WWTP treat?

Grand Junction WWTP is permitted for a design flow of 0.68 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Grand Junction WWTP use?

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

What is the NPDES permit for Grand Junction WWTP?

The facility discharges under NPDES permit IA0041891, currently effective, expiring April 2027.

Is Grand Junction WWTP in compliance?

Discharge monitoring reports show no violations at Grand Junction WWTP in the last three years.

Who operates Grand Junction WWTP and how do I contact them?

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

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Grand Junction WWTP

Kelly St E, Grand Junction, IA 50107 · Greene County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.68 MGD

NPDES permit: IA0041891; Effective

Permit expires: April 2027

Population served: 725; CWNS 2022

Grand Junction WWTP is a publicly owned wastewater treatment works in Grand Junction, Greene County, Iowa, serving about 725 residents. It discharges under NPDES permit IA0041891 (effective), which expires in April 2027, with 0 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Grand Junction WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 0

Effluent violations: 0

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

Key contacts

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

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

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Nearby wastewater treatment plants in Iowa

Rippey WWTP

Rippey · 7 mi away

—

Jefferson WWTP

Jefferson · 8 mi away

0.65 MGD

Paton WWTP

Paton · 9 mi away

—

Ogden City Of STP

Ogden · 9 mi away

0.7 MGD

Boxholm WWTP

Boxholm · 11 mi away

—

Pilot Mound WWTP

Pilot Mound · 14 mi away

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Perry WWTP

Perry · 15 mi away

1.07 MGD

Churdan City Of STP

Churdan · 15 mi away

—

Grand Junction 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 February 9, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms

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