What is the address of Salem WWTP?

The address on the plant’s EPA facility record is Salem Rd, Salem, IA 52649, in Henry County. Its coordinates are 40.8529, -91.6065. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Salem WWTP treat?

Salem WWTP is permitted for a design flow of 0.21 MGD. Its average daily flow is not available in the current EPA data.

What treatment technology does Salem WWTP use?

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

What is the NPDES permit for Salem WWTP?

The facility discharges under NPDES permit IA0047996, currently effective, expiring January 2030.

Is Salem WWTP in compliance?

Discharge monitoring reports show 33 violations at Salem WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Salem WWTP and how do I contact them?

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

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Salem WWTP

Salem Rd, Salem, IA 52649 · Henry County · Publicly Owned Treatment Works

Average flow: —

Design flow: 0.21 MGD

NPDES permit: IA0047996; Effective

Permit expires: January 2030

Population served: 394; CWNS 2022

Salem WWTP is a publicly owned wastewater treatment works in Salem, Henry County, Iowa, serving about 394 residents. It discharges under NPDES permit IA0047996 (effective), which expires in January 2030, with 33 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Salem WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 33

Effluent violations: 3

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

Key contacts

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

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

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Nearby wastewater treatment plants in Iowa

Mount Pleasant WWTP

Mount Pleasant · 5 mi away

1.13 MGD

Houghton City Of STP

Houghton · 5 mi away

—

Hillsboro City Of STP

Hillsboro · 6 mi away

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St Paul City Of STP

Saint Paul · 8 mi away

—

New London WWTP

New London · 11 mi away

0.26 MGD

Stockport City Of STP

Stockport · 12 mi away

—

Lockridge WWTP

Lockridge · 12 mi away

—

West Point City Of STP

West Point · 13 mi away

0.08 MGD

Salem 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 28, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Lift station · Sludge dewatering · all terms

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