Drinking Water Compliance OS

Wales, WI · Waukesha County

ETHAN ALLEN SCHOOL Water System

Inactive system

This water system is marked inactive in EPA’s federal records as of June 30, 2011. 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 Waukesha County, WI.

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

System facts

System ID (PWSID)
WI2680235
System type
Community Water System
Population served
15
Service connections
1
Ownership
state government
Water source
groundwater (wells)

Violation history

  • Monitoring, Regular

    1,2-Dichloropropane

    October 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Regular

    Vinyl chloride

    October 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Regular

    1,2-Dichloroethane

    October 1, 2010 – December 31, 2010

    Resolved
  • Monitoring, Routine Minor (TCR)

    Coliform (TCR)

    December 1, 2005 – December 31, 2005

    Resolved
  • Monitoring, Regular

    Trichloroethylene

    July 1, 1995 – September 30, 1995

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    March 2, 1988 – September 30, 1988

    Resolved
  • Maximum Contaminant Level Violation, Average

    Health-based

    Combined Radium (-226 and -228)

    April 1, 1986 – September 30, 1986

    Resolved

Resolved addressed and confirmed by the state

Enforcement actions

Last known contact on file (system is inactive)

SCHARPF, MARK A - SUPT OF BUILDING & GROUNDS

Phone not on record

Wales, WI 53183-0900