Public water system record

Lake Forest Water Coop

Serves Madison, Dane County, WI · 400 people served

Federal records show 2 health-based violations and 50 monitoring/reporting issues for Lake Forest Water Coop in the last ten years. The most serious issue in this window was a resolved Revised Total Coliform Rule violation.

  • WI1130232
  • MADISON
  • WI
  • 400 served

System profile

Source water Groundwater
ZIP 53713
EPA system ID WI1130232

Verify this system on EPA ECHO →

Health-based violations, last 10 years
2
Resolved
2
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
50

Key facts

  • Lake Forest Water Coop draws water from 2 wells.
  • Most recent enforcement action: boil water order by Wisconsin, August 2006.
  • Record on file since 1993, with 5 health-based violations before October 19, 2016.
  • Lead pipe inventory: 5 lead and 0 unknown out of 94 service lines.

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Health-based violations

Since October 2016

Violation data reflects EPA records through March 2026. For the most current status, visit the EPA ECHO database.

Contaminant Rule family Start date Status Acute
Revised Total Coliform Rule
Treatment technique failure
110 Nov 17, 2024 Resolved No
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
350 Oct 17, 2024 Resolved No

Monitoring and reporting issues

Since October 2016

Missed tests or reports, not contaminants found above a limit.

Issue Start date Status
Revised Total Coliform Rule
RPT
Nov 17, 2024 Resolved
Public Notice
OTHER
Oct 17, 2024 Active
Public Notice
OTHER
Oct 17, 2024 Active
LEAD AND COPPER RULE REVISIONS
RPT
Oct 17, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2024 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jul 1, 2018 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jul 1, 2018 Resolved
Carbon tetrachloride
Monitoring and reporting
Jul 1, 2018 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jul 1, 2018 Resolved
Trichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jul 1, 2018 Resolved
Tetrachloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
CHLOROBENZENE
Monitoring and reporting
Jul 1, 2018 Resolved
Benzene
Monitoring and reporting
Jul 1, 2018 Resolved
Toluene
Monitoring and reporting
Jul 1, 2018 Resolved
Ethylbenzene
Monitoring and reporting
Jul 1, 2018 Resolved
Styrene
Monitoring and reporting
Jul 1, 2018 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jul 1, 2018 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
Xylenes, Total
Monitoring and reporting
Jul 1, 2018 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jul 1, 2018 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jul 1, 2018 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jul 1, 2018 Resolved
Vinyl chloride
Monitoring and reporting
Jul 1, 2018 Resolved
CHLOROBENZENE
Monitoring and reporting
Jul 1, 2018 Resolved
Ethylbenzene
Monitoring and reporting
Jul 1, 2018 Resolved
Benzene
Monitoring and reporting
Jul 1, 2018 Resolved
1,2,4-Trichlorobenzene
Monitoring and reporting
Jul 1, 2018 Resolved
cis-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
Xylenes, Total
Monitoring and reporting
Jul 1, 2018 Resolved
DICHLOROMETHANE
Monitoring and reporting
Jul 1, 2018 Resolved
o-Dichlorobenzene
Monitoring and reporting
Jul 1, 2018 Resolved
p-Dichlorobenzene
Monitoring and reporting
Jul 1, 2018 Resolved
Vinyl chloride
Monitoring and reporting
Jul 1, 2018 Resolved
1,1-Dichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
trans-1,2-Dichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
1,2-Dichloroethane
Monitoring and reporting
Jul 1, 2018 Resolved
1,1,1-Trichloroethane
Monitoring and reporting
Jul 1, 2018 Resolved
Carbon tetrachloride
Monitoring and reporting
Jul 1, 2018 Resolved
1,2-Dichloropropane
Monitoring and reporting
Jul 1, 2018 Resolved
Trichloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
1,1,2-Trichloroethane
Monitoring and reporting
Jul 1, 2018 Resolved
Tetrachloroethylene
Monitoring and reporting
Jul 1, 2018 Resolved
Styrene
Monitoring and reporting
Jul 1, 2018 Resolved
Toluene
Monitoring and reporting
Jul 1, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved

Full record since 1993

EPA's records for Lake Forest Water Coop go back to 1993. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 6 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 3 4
2000s 2 2
October 19, 2016 to 2019 0 44
2020s 2 6

Most recent health-based violation before October 19, 2016: Total Coliform, began August 2006, Resolved.

Show all 5 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Aug 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2006 Resolved
Total Coliform
Contaminant limit exceeded
Aug 1, 1998 Resolved
Total Coliform
Contaminant limit exceeded
Nov 1, 1997 Resolved
Total Coliform
Contaminant limit exceeded
Sep 1, 1996 Resolved

Enforcement actions

Wisconsin regulators and EPA took 1 formal enforcement action against Lake Forest Water Coop and issued 5 boil water orders between 1994 and 2006. The most recent was a boil water order in August 2006.

Date By Action Violations covered
Aug 30, 2006 Wisconsin Boil water order 1 violation (1 health-based): Total Coliform
Jul 7, 2006 Wisconsin Boil water order 1 violation (1 health-based): Total Coliform
Aug 24, 1998 Wisconsin Boil water order 1 violation (1 health-based): Total Coliform
Dec 5, 1997 Wisconsin Boil water order 1 violation (1 health-based): Total Coliform
Oct 3, 1996 Wisconsin Boil water order 1 violation (1 health-based): Total Coliform
Aug 2, 1994 EPA Compliance order (no penalty) 1 violation: Lead and Copper Rule

What the violations mean

Revised Total Coliform Rule

1 incident

The system did not meet a requirement of the Revised Total Coliform Rule

Coliform and E. coli rules protect against bacteria in the distribution system

LEAD AND COPPER RULE REVISIONS

1 incident

The system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).

The utility had to notify customers about this violation.

Where the water comes from

Lake Forest Water Coop draws water from 2 wells.

Annual water quality report

Lake Forest Water Coop must give its customers an annual water quality report (Consumer Confidence Report) by July 1, with the levels its tests found in the previous year.

Systems serving 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Lake Forest Water Coop for a copy.

Find a posted report with EPA's Consumer Confidence Report search

Testing your own water

To test the water at your tap, or a private well this record does not cover, use a laboratory certified for drinking water by Wisconsin.