What is the address of Rockford WWTP?

The address on the plant’s EPA facility record is 3rd Ave & 9th St, Rockford, IA 50468, in Floyd County. Its coordinates are 43.0418, -92.9364. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Rockford WWTP treat?

Rockford WWTP treats an average of 0.29 MGD.

What treatment technology does Rockford WWTP use?

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

What is the NPDES permit for Rockford WWTP?

The facility discharges under NPDES permit IA0058432, currently effective, expiring September 2027.

Is Rockford WWTP in compliance?

Discharge monitoring reports show 1 violation at Rockford WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Rockford WWTP and how do I contact them?

Rockford WWTP is a publicly owned treatment works in Rockford, Iowa. Klarifi lists decision-maker contacts for this facility, available with a free trial.

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Rockford WWTP

3rd Ave & 9th St, Rockford, IA 50468 · Floyd County · Publicly Owned Treatment Works

Average flow: 0.29 MGD

Design flow: —

NPDES permit: IA0058432; Effective

Permit expires: September 2027

Population served: 758; CWNS 2022

Rockford WWTP is a publicly owned wastewater treatment works in Rockford, Floyd County, Iowa treating an average of 0.29 million gallons per day, serving about 758 residents. It discharges under NPDES permit IA0058432 (effective), which expires in September 2027, with 1 recorded violation in the last three years.

Treatment technology

One treatment structure or unit process identified at Rockford WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

Decision-makers at Rockford WWTP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Iowa

Rudd WWTP

Rudd · 6 mi away

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Marble Rock WWTP

Marble Rock · 7 mi away

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Nora Springs City Of STP

Nora Springs · 7 mi away

0.13 MGD

Dougherty City Of STP

Dougherty · 9 mi away

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Floyd City Of STP

Floyd · 12 mi away

0.03 MGD

Mason WWTP

Mason City · 13 mi away

5.13 MGD

Greene City Of STP

Greene · 13 mi away

0.09 MGD

Rock Falls WWTP

Rock Falls · 13 mi away

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Rockford 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 September 18, 2025.

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

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