Public water system record

North Shore Estates HOA

Serves an area of Sanders County, MT that includes Thompson Falls · 65 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for North Shore Estates HOA in the last ten years.

  • MT0003556
  • THOMPSON FALLS
  • MT
  • 65 served

System profile

Source water Groundwater
ZIP 59873
EPA system ID MT0003556

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
3

Key facts

  • North Shore Estates HOA draws water from 2 wells.
  • Most recent formal enforcement: compliance order (no penalty) by Montana, June 2009.
  • Record on file since 1994, with 18 health-based violations before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 31 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
Consumer Confidence Rule
OTHER
Jul 1, 2021 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2018 Resolved
Consumer Confidence Rule
OTHER
Jul 1, 2017 Resolved

Full record since 1994

EPA's records for North Shore Estates HOA go back to 1994. Before October 19, 2016 they list 18 health-based violations (12 resolved, 6 archived by EPA without a recorded fix) and 15 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 0 9
2000s 10 3
2010 to October 18, 2016 8 3
October 19, 2016 to 2019 0 2
2020s 0 1

Most recent health-based violation before October 19, 2016: Arsenic, began October 2011, Resolved.

Show all 18 health-based violations before October 19, 2016
Contaminant Start date Status
Arsenic
Contaminant limit exceeded
Measured 0.015 mg/L, federal limit 0.01 mg/L (1.5 times the limit)
Oct 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Jul 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2011 Resolved
Total Coliform
Contaminant limit exceeded
May 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Apr 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Jan 1, 2011 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Oct 1, 2010 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Jul 1, 2010 Archived
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Oct 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Oct 1, 2009 Archived
Total Coliform
Contaminant limit exceeded
Aug 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Jul 1, 2009 Archived
Total Coliform
Contaminant limit exceeded
Jul 1, 2009 Resolved
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Apr 1, 2009 Archived
Arsenic
Contaminant limit exceeded
Measured 0.013 mg/L, federal limit 0.01 mg/L (1.3 times the limit)
Jan 1, 2009 Archived
Arsenic
Contaminant limit exceeded
Measured 0.014 mg/L, federal limit 0.01 mg/L (1.4 times the limit)
Oct 1, 2008 Archived
Total Coliform
Contaminant limit exceeded
Dec 1, 2003 Resolved
Total Coliform
Contaminant limit exceeded
Jun 1, 2003 Resolved

Enforcement actions

Montana regulators took 1 formal enforcement action against North Shore Estates HOA in 2009. The most recent was a compliance order (no penalty) in June 2009.

Date By Action Violations covered
Jun 10, 2009 Montana Compliance order (no penalty) 12 violations (12 health-based): Arsenic

Where the water comes from

North Shore Estates HOA draws water from 2 wells.

Annual water quality report

North Shore Estates HOA 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 North Shore Estates HOA 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 Montana.