Lancaster, MN · Roseau County

Oak Manor Mobile Home Park Water System

Current status

2 items on record are open and awaiting resolution as of July 4, 2026. None are health-based violations — open items of this kind are most often monitoring or reporting requirements, not water-safety findings. Full details are in the violation history below.

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): MN1680004
System type: Community Water System
Population served: 150
Service connections: 50
Ownership: privately owned
Water source: groundwater (wells)

Violation history

Public Notification Violation for NPDWR Violation
—
Public Notice
October 26, 2025
Unaddressed
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2025 – December 31, 2025
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2025
Unaddressed
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2025 – September 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2025 – September 30, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
May 11, 2025 – June 30, 2025
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
April 1, 2025 – June 30, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2025 – June 30, 2025
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2025 – March 31, 2025
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2025 – March 31, 2025
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
December 8, 2024 – December 16, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2024 – December 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2024 – September 30, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
July 1, 2024 – September 30, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2024 – June 30, 2024
Archived
Public Notification Violation for NPDWR Violation
—
Public Notice
February 17, 2024 – February 9, 2024
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2024 – March 31, 2024
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2024 – March 31, 2024
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2023 – December 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2023 – March 31, 2023
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2022 – December 31, 2022
Archived
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2022 – September 30, 2022
Archived
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
January 1, 2022 – March 31, 2022
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2021 – October 27, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
October 1, 2021 – December 31, 2021
Archived
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2020 – October 27, 2022
Resolved
Follow-up Or Routine LCR Tap M/R
—
Lead and Copper Rule
October 1, 2019 – October 27, 2022
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
July 1, 2019 – September 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
April 1, 2019 – June 30, 2019
Resolved
Maximum Contaminant Level Violation, Average
Health-based
Arsenic
January 1, 2019 – March 31, 2019
Resolved
Monitoring, Routine (RTCR)
—
Revised Total Coliform Rule
October 1, 2018 – December 31, 2018
Resolved
Maximum Contaminant Level Violation, Monthly (TCR)
Health-based
Coliform (TCR)
July 1, 1994 – September 30, 1994
Resolved
Monitoring, Routine Major (TCR)
—
Coliform (TCR)
April 1, 1993 – June 30, 1993
Archived

Unaddressed no corrective action on record yetArchived 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 26, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Unaddressed
October 1, 2025 – December 31, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2025	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Unaddressed
July 1, 2025 – September 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
July 1, 2025 – September 30, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
May 11, 2025 – June 30, 2025	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
April 1, 2025 – June 30, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2025 – June 30, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2025 – March 31, 2025	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
January 1, 2025 – March 31, 2025	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
December 8, 2024 – December 16, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
October 1, 2024 – December 31, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2024 – September 30, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2024 – September 30, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
April 1, 2024 – June 30, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
February 17, 2024 – February 9, 2024	Public Notification Violation for NPDWR Violation	Public Notice	—	Resolved
January 1, 2024 – March 31, 2024	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2024 – March 31, 2024	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Archived
October 1, 2023 – December 31, 2023	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2023 – March 31, 2023	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2022 – December 31, 2022	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
July 1, 2022 – September 30, 2022	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
January 1, 2022 – March 31, 2022	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
October 1, 2021 – October 27, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2021 – December 31, 2021	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Archived
October 1, 2020 – October 27, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
October 1, 2019 – October 27, 2022	Follow-up Or Routine LCR Tap M/R	Lead and Copper Rule	—	Resolved
July 1, 2019 – September 30, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
April 1, 2019 – June 30, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
January 1, 2019 – March 31, 2019	Maximum Contaminant Level Violation, Average	Arsenic	Health-based	Resolved
October 1, 2018 – December 31, 2018	Monitoring, Routine (RTCR)	Revised Total Coliform Rule	—	Resolved
July 1, 1994 – September 30, 1994	Maximum Contaminant Level Violation, Monthly (TCR)	Coliform (TCR)	Health-based	Resolved
April 1, 1993 – June 30, 1993	Monitoring, Routine Major (TCR)	Coliform (TCR)	—	Archived

Unaddressed no corrective action on record yetArchived closed in EPA's records (typically due to age or a data correction)Resolved addressed and confirmed by the state

Enforcement actions

January 21, 2026State Formal Notice of Violation issued1 linked violation
January 20, 2026State Formal Notice of Violation issued1 linked violation
January 20, 2026State Public Notification requested1 linked violation
December 23, 2025State Formal Notice of Violation issued1 linked violation
December 23, 2025State Public Notification requested1 linked violation
December 23, 2025State Compliance Meeting conducted1 linked violation
October 31, 2025State Formal Notice of Violation issued1 linked violation
October 21, 2025State Formal Notice of Violation issued1 linked violation
October 16, 2025State Public Notification requested1 linked violation
October 16, 2025State Formal Notice of Violation issued1 linked violation
September 16, 2025State Public Notification requested1 linked violation
September 16, 2025State Formal Notice of Violation issued1 linked violation
September 16, 2025State Compliance Meeting conducted1 linked violation
September 2, 2025State Violation/Reminder Notice1 linked violation
August 5, 2025State Violation/Reminder Notice1 linked violation
July 10, 2025State Public Notification requested1 linked violation
July 10, 2025State Formal Notice of Violation issued1 linked violation
July 2, 2025State Compliance Meeting conducted1 linked violation
July 2, 2025State Public Notification requested1 linked violation
July 2, 2025State Formal Notice of Violation issued1 linked violation
July 1, 2025State Public Notification received1 linked violation
July 1, 2025State Public Notification received1 linked violation
July 1, 2025State Public Notification received1 linked violation
July 1, 2025State Public Notification received1 linked violation
June 30, 2025State Compliance achieved1 linked violation
June 30, 2025State Public Notification received1 linked violation
April 22, 2025State Formal Notice of Violation issued1 linked violation
April 18, 2025State Public Notification requested1 linked violation
April 18, 2025State Formal Notice of Violation issued1 linked violation
April 1, 2025State Compliance Meeting conducted1 linked violation
April 1, 2025State Formal Notice of Violation issued1 linked violation
April 1, 2025State Public Notification requested1 linked violation
March 27, 2025State Formal Notice of Violation issued1 linked violation
March 27, 2025State Public Notification requested1 linked violation
March 11, 2025State Public Notification received1 linked violation
December 17, 2024State Formal Notice of Violation issued1 linked violation
December 17, 2024State Public Notification requested1 linked violation
December 17, 2024State Compliance Meeting conducted1 linked violation
December 16, 2024State Compliance achieved1 linked violation
December 16, 2024State Public Notification received1 linked violation
December 11, 2024State Formal Notice of Violation issued1 linked violation
December 11, 2024State Public Notification requested1 linked violation
December 11, 2024State Formal Notice of Violation issued1 linked violation
December 11, 2024State Formal Notice of Violation issued1 linked violation
December 11, 2024State Public Notification requested1 linked violation
December 11, 2024State Public Notification requested1 linked violation
October 29, 2024State Compliance Meeting conducted1 linked violation
October 29, 2024State Formal Notice of Violation issued1 linked violation
October 29, 2024State Public Notification requested1 linked violation
October 22, 2024State Formal Notice of Violation issued1 linked violation
August 6, 2024State Formal Notice of Violation issued1 linked violation
August 6, 2024State Public Notification requested1 linked violation
August 6, 2024State Compliance Meeting conducted1 linked violation
May 7, 2024State Public Notification received1 linked violation
April 19, 2024State Compliance Meeting conducted1 linked violation
April 19, 2024State Public Notification requested1 linked violation
April 19, 2024State Formal Notice of Violation issued1 linked violation
February 9, 2024State Compliance achieved1 linked violation
February 9, 2024State Public Notification received1 linked violation
February 9, 2024State Public Notification received1 linked violation
February 9, 2024State Public Notification received1 linked violation
February 9, 2024State Public Notification received1 linked violation
February 9, 2024State Public Notification received1 linked violation
February 9, 2024State Public Notification received1 linked violation
January 8, 2024State Public Notification requested1 linked violation
January 8, 2024State Formal Notice of Violation issued1 linked violation
January 8, 2024State Compliance Meeting conducted1 linked violation
January 2, 2024State Formal Notice of Violation issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
December 6, 2023State Administrative/Compliance Order with penalty issued1 linked violation
October 31, 2023State Formal Notice of Violation issued1 linked violation
October 31, 2023State Compliance Meeting conducted1 linked violation
October 31, 2023State Public Notification requested1 linked violation
May 16, 2023State Formal Notice of Violation issued1 linked violation
May 16, 2023State Compliance Meeting conducted1 linked violation
May 16, 2023State Public Notification requested1 linked violation
January 24, 2023State Public Notification requested1 linked violation
January 24, 2023State Compliance Meeting conducted1 linked violation
January 24, 2023State Formal Notice of Violation issued1 linked violation
November 3, 2022State Public Notification requested1 linked violation
November 3, 2022State Violation/Reminder Notice1 linked violation
November 3, 2022State Compliance Meeting conducted1 linked violation
October 27, 2022State Compliance achieved1 linked violation
October 27, 2022State Compliance achieved1 linked violation
October 27, 2022State Compliance achieved1 linked violation
June 23, 2022State Compliance achieved1 linked violation
April 19, 2022State Formal Notice of Violation issued1 linked violation
April 19, 2022State Public Notification requested1 linked violation
April 18, 2022State Public Notification requested1 linked violation
April 18, 2022State Compliance Meeting conducted1 linked violation
April 18, 2022State Formal Notice of Violation issued1 linked violation
January 31, 2022State Compliance Meeting conducted1 linked violation
January 31, 2022State Public Notification requested1 linked violation
January 31, 2022State Formal Notice of Violation issued1 linked violation
January 3, 2022State Public Notification received1 linked violation
December 7, 2021State Public Notification requested1 linked violation
December 7, 2021State Formal Notice of Violation issued1 linked violation
September 16, 2021State Violation/Reminder Notice1 linked violation
August 24, 2021State Violation/Reminder Notice1 linked violation
June 30, 2021State Compliance achieved1 linked violation
April 16, 2021State Formal Notice of Violation issued2 linked violations
April 16, 2021State Public Notification requested1 linked violation
February 23, 2021State Formal Notice of Violation issued1 linked violation
February 23, 2021State Public Notification requested1 linked violation
February 24, 2020State Public Notification received2 linked violations
February 3, 2020State Formal Notice of Violation issued1 linked violation
February 3, 2020State Public Notification requested1 linked violation
February 3, 2020State Compliance Meeting conducted1 linked violation
January 24, 2020State Public Notification requested1 linked violation
January 24, 2020State Formal Notice of Violation issued1 linked violation
November 12, 2019State Public Notification received1 linked violation
October 14, 2019State Compliance Meeting conducted1 linked violation
October 14, 2019State Public Notification requested2 linked violations
October 14, 2019State Formal Notice of Violation issued1 linked violation
September 23, 2019State Violation/Reminder Notice1 linked violation
September 9, 2019State Violation/Reminder Notice1 linked violation
July 1, 2019State Public Notification received1 linked violation
June 12, 2019State Compliance Meeting conducted6 linked violations
June 12, 2019State Formal Notice of Violation issued1 linked violation
May 24, 2019State Public Notification received1 linked violation
May 2, 2019State Administrative/Compliance Order with penalty issued4 linked violations
April 24, 2019State Formal Notice of Violation issued1 linked violation
April 24, 2019State Public Notification requested1 linked violation
April 24, 2019State Compliance Meeting conducted1 linked violation
February 20, 2019State Compliance achieved1 linked violation
January 22, 2019State Public Notification requested3 linked violations
January 18, 2019State Public Notification requested1 linked violation
January 18, 2019State Compliance Meeting conducted1 linked violation
January 18, 2019State Formal Notice of Violation issued1 linked violation
October 17, 2018State Compliance Meeting conducted3 linked violations
June 22, 2018State Compliance Meeting conducted3 linked violations
June 22, 2018State Formal Notice of Violation issued2 linked violations
April 5, 2016State Public Notification requested1 linked violation
April 5, 2016State Compliance Meeting conducted1 linked violation
April 5, 2016State Formal Notice of Violation issued1 linked violation
February 17, 2010State Compliance achieved1 linked violation
September 11, 2009State Violation/Reminder Notice1 linked violation
April 23, 2009State Violation/Reminder Notice1 linked violation
March 3, 2009State Public Notification received3 linked violations
February 18, 2009State Violation/Reminder Notice1 linked violation
February 13, 2009State Administrative/Compliance Order with penalty issued1 linked violation
January 31, 2007State Compliance achieved1 linked violation
January 11, 2007State Public Notification requested2 linked violations
January 11, 2007State Formal Notice of Violation issued1 linked violation
December 7, 2006State Violation/Reminder Notice2 linked violations
February 23, 2006State Public Notification received1 linked violation
February 18, 2006State Public Notification received1 linked violation
January 24, 2006State Formal Notice of Violation issued1 linked violation
January 24, 2006State Public Notification requested3 linked violations
January 24, 2006State Compliance Meeting conducted1 linked violation
February 28, 1995State Administrative/Compliance Order with penalty issued2 linked violations
January 27, 1995State Public Notification requested3 linked violations
November 1, 1994State Violation/Reminder Notice2 linked violations
October 13, 1994State Boil Water Order1 linked violation
September 30, 1994State Compliance Meeting conducted7 linked violations
September 30, 1984State Compliance achieved1 linked violation

Contact

Oak Manor Mobile Home Park

2184521799

Lancaster, MN 56735