Public water system record

Lake Elmo

Serves Lake Elmo, Washington County, MN · 10,978 people served

Federal records show no health-based violations and 14 monitoring/reporting issues for Lake Elmo in the last ten years.

  • MN1820009
  • LAKE ELMO
  • MN
  • 10,978 served

System profile

Source water Groundwater
ZIP 55042
EPA system ID MN1820009

Verify this system on EPA ECHO →

Health-based violations, last 10 years
0
Resolved
0
Unresolved
0
Any acute record
No
Monitoring issues, last 10 years
14

Key facts

  • Lake Elmo draws water from 3 wells.
  • Most recent enforcement action: boil water order by Minnesota, December 1993.
  • Record on file since 1993, with 6 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 911 unknown out of 3,608 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.

None since October 2016.

Monitoring and reporting issues

Since October 2016

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

Issue Start date Status
Chlordane
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Benzo(a)pyrene
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
HEXACHLOROBENZENE
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor epoxide
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Heptachlor
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
LASSO
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Atrazine
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Hexachlorocyclopentadiene
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Di(2-ethylhexyl) phthalate
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Simazine
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Di(2-ethylhexyl) adipate
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Methoxychlor
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
BHC-GAMMA
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.
Endrin
Monitoring and reporting
Oct 1, 2024 Archived
Violation period ended. EPA no longer counts it toward current compliance, but no fix was formally recorded.

Full record since 1993

EPA's records for Lake Elmo go back to 1993. Before October 19, 2016 they list 6 health-based violations (6 resolved) and 1 monitoring or reporting violation.

Violations that began in Health-based Monitoring and reporting
1990s 2 0
2000s 0 1
2010 to October 18, 2016 4 0
2020s 0 14

Most recent health-based violation before October 19, 2016: Total Coliform, began November 2015, Resolved.

Show all 6 health-based violations before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
Nov 1, 2015 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 2010 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 1999 Resolved
Total Coliform
Contaminant limit exceeded
Oct 1, 1993 Resolved

Enforcement actions

Minnesota regulators issued 1 boil water order to Lake Elmo in 1993. The most recent was a boil water order in December 1993.

Date By Action Violations covered
Dec 21, 1993 Minnesota Boil water order 1 violation (1 health-based): Total Coliform

Where the water comes from

Lake Elmo draws water from 3 wells. It also has an emergency connection to Oakdale.

Emergency or part-time connections to

Annual water quality report

Lake Elmo 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a year.

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 Minnesota.