Lake Elmo, MN · Washington County

Lake Elmo Water System

Current status

No open violations on record as of July 4, 2026.

This system's next federally required Consumer Confidence Report is due July 1, 2027, under the EPA's revised reporting rule.

Data sourced from the EPA ECHO database (SDWA bulk download), last refreshed July 4, 2026. This is a record-keeping and public-information tool — it does not replace Minnesota’s official records. Always confirm current status with Minnesota before making decisions based on this information.

System facts

System ID (PWSID): MN1820009
System type: Community Water System
Population served: 10,978
Service connections: 3,540
Ownership: local government
Water source: groundwater (wells)

Violation history

Monitoring, Regular
—
Chlordane
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Heptachlor epoxide
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
HEXACHLOROBENZENE
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Benzo(a)pyrene
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Endrin
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
BHC-GAMMA
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Methoxychlor
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) adipate
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Simazine
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Di(2-ethylhexyl) phthalate
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Hexachlorocyclopentadiene
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Atrazine
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
LASSO
October 1, 2024 – December 31, 2024
Archived
Monitoring, Regular
—
Heptachlor
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
November 1, 2015 – November 30, 2015
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
October 1, 2011 – October 31, 2011
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
June 1, 2011 – June 30, 2011
Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Period	Violation	Contaminant / rule	Health-based	Status
October 1, 2024 – December 31, 2024	Monitoring, Regular	Chlordane	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor epoxide	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	HEXACHLOROBENZENE	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Benzo(a)pyrene	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Endrin	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	BHC-GAMMA	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Methoxychlor	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) adipate	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Simazine	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Di(2-ethylhexyl) phthalate	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Hexachlorocyclopentadiene	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Atrazine	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	LASSO	—	Archived
October 1, 2024 – December 31, 2024	Monitoring, Regular	Heptachlor	—	Archived
November 1, 2015 – November 30, 2015	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
October 1, 2011 – October 31, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
June 1, 2011 – June 30, 2011	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved

Archived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

February 4, 2025State Formal Notice of Violation issued14 linked violations
February 4, 2025State Public Notification requested14 linked violations
December 24, 2015State Public Notification received1 linked violation
December 9, 2015State Compliance achieved1 linked violation
November 30, 2015State Technical Assistance Visit1 linked violation
November 30, 2015State Formal Notice of Violation issued1 linked violation
November 24, 2015State Formal Notice of Violation issued3 linked violations
November 8, 2011State Compliance achieved1 linked violation
November 3, 2011State Public Notification received1 linked violation
October 27, 2011State Formal Notice of Violation issued1 linked violation
October 27, 2011State Public Notification requested1 linked violation
October 27, 2011State Compliance Meeting conducted1 linked violation
October 27, 2011State Technical Assistance Visit2 linked violations
July 25, 2011State Compliance achieved1 linked violation
June 22, 2011State Public Notification requested4 linked violations
June 22, 2011State Technical Assistance Visit1 linked violation
June 22, 2011State Compliance Meeting conducted1 linked violation
June 22, 2011State Formal Notice of Violation issued1 linked violation
December 8, 2010State Compliance achieved1 linked violation
November 18, 2010State Public Notification received1 linked violation
October 22, 2010State Formal Notice of Violation issued1 linked violation
October 22, 2010State Compliance Meeting conducted1 linked violation
October 22, 2010State Technical Assistance Visit1 linked violation
October 22, 2010State Public Notification requested1 linked violation
October 16, 2002State Public Notification received1 linked violation
September 10, 2002State Formal Notice of Violation issued3 linked violations
December 28, 1993State Compliance achieved1 linked violation
December 21, 1993State Boil Water Order3 linked violations

Contact

Lake Elmo City Council

6517473900

Lake Elmo, MN 55042