Public Water Partners

Otisco, MN · Waseca County

Otisco Cooperative Water Association Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of October 31, 2012. 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 Waseca County, MN.

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 Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.

System facts

System ID (PWSID)
MN1810005
System type
Community Water System
Population served
70
Service connections
20
Ownership
privately owned
Water source
groundwater (wells)

Otisco Cooperative Water Association is one of 739 community water systems in Minnesota in the 500 or fewer people size category, formerly serving 70 people from groundwater.

EPA's federal records list this system as inactive in 2012; the record below is historical.

As of August 1, 2026, its federal record holds 1 entry in 2007, all of which EPA lists as closed. Nothing has been added since 2007.

None of the 1 are monitoring or reporting requirements — the category that accounts for about four in five of all violations in EPA's national dataset; these involve water-quality, treatment, or public-notice findings instead. The record involves inorganic chemicals.

Violation history

  • Maximum Contaminant Level Violation, Average

    Health-based

    Arsenic

    January 4, 2007 – October 15, 2012

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

Otisco Cooperative Water Association

5075212382

Otisco, MN 56093