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 August 1, 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)

WEST OKOBOJI HARBOR ASSOCIATION is one of 1,221 community water systems in Iowa in the 500 or fewer people size category, formerly serving 360 people from groundwater.

EPA's federal records list this system as inactive in 2023; the record below is historical.

As of August 1, 2026, its federal record holds 3 entries between 1991 and 2008, all of which EPA lists as closed. Nothing has been added since 2008.

Of the 3, 2 are monitoring and reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset — rather than findings about the water itself. The record involves the Total Coliform Rules.

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

Period	Violation	Contaminant / rule	Health-based	Status
July 1, 2008 – July 31, 2008	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
June 1, 1991 – June 30, 1991	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Resolved
April 1, 1991 – May 13, 1991	Maximum Contaminant Level Violation, Acute (TCR)	Coliform (TCR)	Health-based	Resolved

Resolved addressed and confirmed by the state

Enforcement actions

July 1, 2003State Compliance achieved2 linked violations
July 23, 2002State Public Notification requested1 linked violation
October 19, 1996State Formal Notice of Violation issued3 linked violations
October 7, 1996State Compliance achieved3 linked violations
December 5, 1994State Compliance achieved1 linked violation
December 5, 1994State Public Notification received1 linked violation
December 5, 1994State Formal Notice of Violation issued1 linked violation
July 27, 1994State Formal Notice of Violation issued1 linked violation
July 27, 1994State Public Notification requested3 linked violations
August 22, 1991State Formal Notice of Violation issued3 linked violations
August 22, 1991State Public Notification requested2 linked violations
August 22, 1991State Public Notification requested2 linked violations
July 10, 1991State Compliance achieved2 linked violations
July 10, 1991State Compliance achieved2 linked violations
May 13, 1991State Compliance achieved1 linked violation
May 7, 1991State Public Notification requested1 linked violation
May 7, 1991State Formal Notice of Violation issued1 linked violation
February 7, 1991State Public Notification received3 linked violations
February 7, 1991State Public Notification received1 linked violation
January 15, 1991State Formal Notice of Violation issued2 linked violations
January 15, 1991State Public Notification requested1 linked violation
January 15, 1991State Formal Notice of Violation issued1 linked violation
December 5, 1990State Compliance achieved1 linked violation

Last known contact on file (system is inactive)

I&S GROUP

712-732-7745

STORM LAKE, IA 50588