DEFOREST WATERWORKS

Wisconsin — Community Water System — PWSID: WI1130221

System Information

PWSIDWI1130221
System NameDEFOREST WATERWORKS
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1981
Last ReportedDec 17, 2025

Location & Contact

StateWisconsin
CityDEFOREST
ZIP Code53532-0510
Address120 S STEVENSON ST
OrganizationBLAU, JUDD - PUBLIC SERVICES DIR
Phone

Population & Service

Population Served10,500
Service Connections3,888

Drinking Water Violations (14)

This water system has 14 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Oct 17, 2024 LEAD AND COPPER RULE REVISIONS TT Yes No Resolved Jun 4, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 Public Notice Other No No Unaddressed Public Notice Rule and Revised PN Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 24, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 24, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 24, 1993 Total Coliform Rule
Jun 1, 1993 Jun 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Jun 24, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Apr 30, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Apr 30, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Apr 30, 1993 Total Coliform Rule
Apr 1, 1993 Apr 30, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Apr 30, 1993 Total Coliform Rule
Mar 1, 1993 Mar 31, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Mar 8, 1993 Total Coliform Rule
Mar 1, 1993 Mar 31, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Mar 8, 1993 Total Coliform Rule
Mar 1, 1993 Mar 31, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Mar 8, 1993 Total Coliform Rule
Mar 1, 1993 Mar 31, 1993 Coliform (TCR) MCL Yes No 5% of samples Resolved Mar 8, 1993 Total Coliform Rule

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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