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WAUKESHA WATER UTILITY

Wisconsin — Community Water System — PWSID: WI2680238

System Information

PWSIDWI2680238
System NameWAUKESHA WATER UTILITY
System TypeCommunity Water System
Water SourceSurface Water Purchased
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 28, 1981
Last ReportedDec 17, 2025

Location & Contact

StateWisconsin
CityWAUKESHA
ZIP Code53188
Address115 DELAFIELD STREET
OrganizationWAUKESHA WATER UTILITY
Phone—

Population & Service

Population Served70,718
Service Connections26,192

Drinking Water Violations (2,892)

This water system has 2,892 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 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 5.6 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 5.6 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 5.6 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 5.6 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 5.6 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 5.6 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Combined Radium (-226 and -228) MCL Yes No 5.6 PCI/L 5 pCi/L 5.5 Resolved Oct 15, 2023 Radionuclides and Revised Rad Rule
Sep 29, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Sep 29, 2023 — Public Notice Other No No — — — Unaddressed — Public Notice Rule and Revised PN Rule
Sep 20, 2023 — Public Notice Other No No — — — Resolved Jan 24, 2024 Public Notice Rule and Revised PN Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.6 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.6 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.6 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.6 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.6 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.6 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.6 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.79 PCI/L 5 pCi/L 5.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.41 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 9.79 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 16.95 PCI/L 15 pCi/L 15.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.41 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 16.95 PCI/L 15 pCi/L 15.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 16.95 PCI/L 15 pCi/L 15.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 16.95 PCI/L 15 pCi/L 15.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.41 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.41 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.18 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.18 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.18 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 16.95 PCI/L 15 pCi/L 15.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 9.79 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 9.79 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 9.79 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 9.79 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.41 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 7.41 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 6.18 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 9.79 PCI/L 5 pCi/L 5.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad 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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