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LAKE COMO SANITARY DIST 1

Wisconsin — Community Water System — PWSID: WI2651536

System Information

PWSIDWI2651536
System NameLAKE COMO SANITARY DIST 1
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region05
Serves SchoolNo
WholesalerNo
First ReportedFeb 22, 1997
Last ReportedDec 17, 2025

Location & Contact

StateWisconsin
CityLAKE GENEVA
ZIP Code53147
AddressATTN: COMMISSION PRESIDENT
OrganizationLAKE COMO SANITARY DISTRICT #1
Phone—

Population & Service

Population Served3,038
Service Connections1,332

Drinking Water Violations (89)

This water system has 89 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
Jan 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 Total Haloacetic Acids (HAA5) MR No No — 0.060 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Jan 1, 2020 Dec 31, 2020 TTHM MR No No — 0.080 mg/L — Resolved Dec 31, 2020 Stage 2 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Uranium MR No Yes — 30 ug/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Gross Alpha, Excl. Radon and U MR No Yes — 15 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-226 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Radium-228 MR No Yes — — — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 Radionuclides and Revised Rad Rule
Apr 1, 2008 Jun 30, 2008 Combined Radium (-226 and -228) MR No Yes — 5 pCi/L — Resolved Jun 30, 2008 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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