What is the address of Olin WWTP?

The address on the plant’s EPA facility record is 0.2 Miles East Of Intersection, Olin, IA 52320, in Jones County. Its coordinates are 41.9920, -91.1261. For some plants the record holds the utility’s mailing address rather than the plant gate.

What treatment technology does Olin WWTP use?

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

What is the NPDES permit for Olin WWTP?

The facility discharges under NPDES permit IA0036064, currently effective, expiring February 2027.

Is Olin WWTP in compliance?

Discharge monitoring reports show 9 violations at Olin WWTP in the last three years, 3 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Olin WWTP and how do I contact them?

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

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Olin WWTP

0.2 Miles East Of Intersection, Olin, IA 52320 · Jones County · Publicly Owned Treatment Works

Average flow: —

Design flow: —

NPDES permit: IA0036064; Effective

Permit expires: February 2027

Population served: 651; CWNS 2022

Olin WWTP is a publicly owned wastewater treatment works in Olin, Jones County, Iowa, serving about 651 residents. It discharges under NPDES permit IA0036064 (effective), which expires in February 2027, with 9 recorded violations in the last three years.

Treatment technology

One treatment structure or unit process identified at Olin WWTP.

Available with a free Klarifi account

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

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Compliance snapshot (last 3 years)

Total violations: 9

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 Olin WWTP, with validated emails and direct phone numbers.

Unlock 1 verified contact

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

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Olin 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 March 11, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms

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