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Winona

Minnesota — Community Water System — PWSID: MN1850013

System Information

PWSIDMN1850013
System NameWinona
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedJan 24, 1981
Last ReportedNov 25, 2025

Location & Contact

StateMinnesota
CityWinona
ZIP Code55987
AddressWinona City Hall
OrganizationWinona City Council
Phone5074578237

Population & Service

Population Served27,782
Service Connections8,417

Drinking Water Violations (47)

This water system has 47 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
Jul 1, 2021 Sep 30, 2021 Combined Radium (-226 and -228) MCL Yes No 5.1 PCI/L 5 pCi/L — Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Combined Radium (-226 and -228) MCL Yes No 5.1 PCI/L 5 pCi/L — Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Combined Radium (-226 and -228) MCL Yes No 5.1 PCI/L 5 pCi/L — Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Combined Radium (-226 and -228) MCL Yes No 5.1 PCI/L 5 pCi/L — Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Jul 1, 2021 Sep 30, 2021 Combined Radium (-226 and -228) MCL Yes No 5.1 PCI/L 5 pCi/L — Resolved Sep 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Apr 1, 2021 Jun 30, 2021 Combined Radium (-226 and -228) MCL Yes No 6 PCI/L 5 pCi/L — Resolved Jun 30, 2021 Radionuclides and Revised Rad Rule
Jan 1, 2021 Mar 31, 2021 Combined Radium (-226 and -228) MCL Yes No 6.2 PCI/L 5 pCi/L — Resolved Mar 31, 2021 Radionuclides and Revised Rad Rule
Jan 1, 2021 Mar 31, 2021 Combined Radium (-226 and -228) MCL Yes No 6.2 PCI/L 5 pCi/L — Resolved Mar 31, 2021 Radionuclides and Revised Rad Rule
Jan 1, 2021 Mar 31, 2021 Combined Radium (-226 and -228) MCL Yes No 6.2 PCI/L 5 pCi/L — Resolved Mar 31, 2021 Radionuclides and Revised Rad Rule
Jan 1, 2021 Mar 31, 2021 Combined Radium (-226 and -228) MCL Yes No 6.2 PCI/L 5 pCi/L — Resolved Mar 31, 2021 Radionuclides and Revised Rad Rule
Jan 1, 2021 Mar 31, 2021 Combined Radium (-226 and -228) MCL Yes No 6.2 PCI/L 5 pCi/L — Resolved Mar 31, 2021 Radionuclides and Revised Rad Rule
Jan 1, 2021 Mar 31, 2021 Combined Radium (-226 and -228) MCL Yes No 6.2 PCI/L 5 pCi/L — Resolved Mar 31, 2021 Radionuclides and Revised Rad Rule
Oct 1, 2020 Dec 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Oct 1, 2020 Dec 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Oct 1, 2020 Dec 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Oct 1, 2020 Dec 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Oct 1, 2020 Dec 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Dec 31, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jul 1, 2020 Sep 30, 2020 Combined Radium (-226 and -228) MCL Yes No 5.9 PCI/L 5 pCi/L — Resolved Sep 30, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2020 Mar 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L — Resolved Mar 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2020 Mar 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L — Resolved Mar 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2020 Mar 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L — Resolved Mar 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2020 Mar 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L — Resolved Mar 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2020 Mar 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L — Resolved Mar 31, 2020 Radionuclides and Revised Rad Rule
Jan 1, 2020 Mar 31, 2020 Combined Radium (-226 and -228) MCL Yes No 5.5 PCI/L 5 pCi/L — Resolved Mar 31, 2020 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Radium (-226 and -228) MCL Yes No 9.6 PCI/L 5 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Radium (-226 and -228) MCL Yes No 9.6 PCI/L 5 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Radium (-226 and -228) MCL Yes No 9.6 PCI/L 5 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Radium (-226 and -228) MCL Yes No 9.6 PCI/L 5 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Radium (-226 and -228) MCL Yes No 9.6 PCI/L 5 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Apr 1, 2017 Jun 30, 2017 Combined Radium (-226 and -228) MCL Yes No 9.6 PCI/L 5 pCi/L — Resolved Jun 30, 2017 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6.3 PCI/L 5 pCi/L — Resolved Sep 26, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6.3 PCI/L 5 pCi/L — Resolved Sep 26, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6.3 PCI/L 5 pCi/L — Resolved Sep 26, 2018 Radionuclides and Revised Rad Rule
Jan 1, 2017 Dec 31, 2019 Combined Radium (-226 and -228) MCL Yes No 6.3 PCI/L 5 pCi/L — Resolved Sep 26, 2018 Radionuclides and Revised Rad Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 1997 Total Coliform Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 1997 Total Coliform Rule
Nov 1, 1997 Nov 30, 1997 Coliform (TCR) MR No No — 5% of samples — Archived Nov 30, 1997 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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