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WINNECONNE WATERWORKS

Wisconsin — Community Water System — PWSID: WI4710354

System Information

PWSIDWI4710354
System NameWINNECONNE 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
CityWINNECONNE
ZIP Code54986-9502
Address30 S FIRST ST PO BOX 488
OrganizationWINNECONNE VIL CLERK - AHLANA SARAY
Phone—

Population & Service

Population Served2,502
Service Connections926

Drinking Water Violations (131)

This water system has 131 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 — Public Notice Other No No — — — Resolved Jun 3, 2025 Public Notice Rule and Revised PN Rule
Oct 17, 2024 — Public Notice Other No No — — — Resolved Jun 3, 2025 Public Notice Rule and Revised PN Rule
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved May 23, 2025 Lead and Copper Rule Revisions
Oct 17, 2024 — LEAD AND COPPER RULE REVISIONS TT Yes No — — — Resolved May 23, 2025 Lead and Copper Rule Revisions
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Jul 1, 2024 Sep 30, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 15.67 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2024 Radionuclides and Revised Rad Rule
Apr 15, 2024 — Groundwater Rule Other No No — — — Resolved May 17, 2024 Ground Water Rule
Apr 15, 2024 — Groundwater Rule Other No No — — — Resolved May 17, 2024 Ground Water Rule
Feb 26, 2024 — Public Notice Other No No — — — Resolved Dec 13, 2024 Public Notice Rule and Revised PN Rule
Feb 26, 2024 — Public Notice Other No No — — — Resolved Dec 13, 2024 Public Notice Rule and Revised PN Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 22.3 PCI/L 15 pCi/L 15.5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 22.3 PCI/L 15 pCi/L 15.5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 22.3 PCI/L 15 pCi/L 15.5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 22.3 PCI/L 15 pCi/L 15.5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Jan 1, 2024 Mar 31, 2024 Gross Alpha, Excl. Radon and U MCL Yes No 22.3 PCI/L 15 pCi/L 15.5 Resolved Mar 31, 2024 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 24.62 PCI/L 15 pCi/L 15.5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 24.62 PCI/L 15 pCi/L 15.5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 24.62 PCI/L 15 pCi/L 15.5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 24.62 PCI/L 15 pCi/L 15.5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 24.62 PCI/L 15 pCi/L 15.5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 24.62 PCI/L 15 pCi/L 15.5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Oct 1, 2023 Dec 31, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 24.62 PCI/L 15 pCi/L 15.5 Resolved Dec 31, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 19.392 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 19.392 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 19.392 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 19.392 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2023 Sep 30, 2023 Gross Alpha, Excl. Radon and U MCL Yes No 19.392 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2023 Radionuclides and Revised Rad Rule
Apr 1, 2023 Jun 30, 2023 Combined Radium (-226 and -228) MCL Yes No 18.5667 PCI/L 5 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 18.5667 PCI/L 5 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 18.5667 PCI/L 5 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 18.5667 PCI/L 5 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 18.5667 PCI/L 5 pCi/L 15.5 Resolved Jun 30, 2023 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Gross Alpha, Excl. Radon and U MCL Yes No 15.9417 PCI/L 15 pCi/L 15.5 Resolved Sep 30, 2021 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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