Drinking Water Compliance OS

STORM LAKE, IA · Dickinson County

WEST OKOBOJI HARBOR ASSOCIATION Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of June 14, 2023. It is no longer an operating public water system under this PWSID, and no compliance deadlines — including the 2027 Consumer Confidence Report rule — apply to it.

If you are a resident looking for your current water provider, see water systems in Dickinson County, IA.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Iowa’s official records. Always confirm current status with Iowa before making decisions based on this information.

System facts

System ID (PWSID)
IA3070301
System type
Community Water System
Population served
360
Service connections
144
Ownership
privately owned
Water source
groundwater (wells)

Violation history

  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    July 1, 2008 – July 31, 2008

    Resolved
  • Monitoring, Routine Major (TCR)

    Coliform (TCR)

    June 1, 1991 – June 30, 1991

    Resolved
  • Maximum Contaminant Level Violation, Acute (TCR)

    Health-based

    Coliform (TCR)

    April 1, 1991 – May 13, 1991

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

I&S GROUP

712-732-7745

STORM LAKE, IA 50588