Public water system record

Sumas Rural Water Association

Serves an area of Whatcom County, WA · 612 people served

Federal records show no health-based violations and 3 monitoring/reporting issues for Sumas Rural Water Association in the last ten years. At least one of these issues remains unresolved.

WA5384850
SUMAS
WA
612 served

System profile

Source water Purchased groundwater

ZIP 98295

EPA system ID WA5384850

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

Sumas Rural Water Association buys its water from Sumas Water Dept.
Most recent formal enforcement: signed compliance agreement by Washington, January 1994.
Record on file since 1979, with 12 health-based violations before October 19, 2016.

Check whether Sumas Rural Water Association serves your address

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
Revised Total Coliform Rule Monitoring violation	Dec 1, 2025	Resolved
Lead and Copper Rule Monitoring and reporting	Jan 1, 2015	Resolved
Lead and Copper Rule Monitoring and reporting	Jan 1, 2000	Active

Full record since 1979

EPA's records for Sumas Rural Water Association go back to 1979. Before October 19, 2016 they list 12 health-based violations (12 archived by EPA without a recorded fix) and 17 monitoring or reporting violations.

Violations that began in	Health-based	Monitoring and reporting
1970s	0	8
1990s	11	7
2000s	1	1
2010 to October 18, 2016	0	1
2020s	0	1

Most recent health-based violation before October 19, 2016: Total Coliform, began May 2005, Archived.

Show all 12 health-based violations before October 19, 2016

Contaminant	Start date	Status
Total Coliform Contaminant limit exceeded	May 1, 2005	Archived
Total Coliform Contaminant limit exceeded	Jun 1, 1994	Archived
Total Coliform Contaminant limit exceeded	Sep 1, 1993	Archived
Total Coliform Contaminant limit exceeded	Mar 1, 1993	Archived
Total Coliform Contaminant limit exceeded	Dec 1, 1992	Archived
Total Coliform Contaminant limit exceeded	Nov 1, 1992	Archived
Total Coliform Contaminant limit exceeded	Oct 1, 1992	Archived
Total Coliform Contaminant limit exceeded	Sep 1, 1992	Archived
Total Coliform Contaminant limit exceeded	Aug 1, 1992	Archived
Total Coliform Contaminant limit exceeded	Jul 1, 1992	Archived
Total Coliform Contaminant limit exceeded	Nov 1, 1991	Archived
Total Coliform Contaminant limit exceeded	Oct 1, 1991	Archived

Enforcement actions

Washington regulators took 2 formal enforcement actions against Sumas Rural Water Association between 1993 and 1994. The most recent was a signed compliance agreement in January 1994.

Date	By	Action	Violations covered
Jan 20, 1994	Washington	Signed compliance agreement	16 violations (10 health-based): Total Coliform
May 25, 1993	Washington	Signed compliance agreement	15 violations (9 health-based): Total Coliform

Where the water comes from

Sumas Rural Water Association buys its water from Sumas Water Dept. It lists no wells or intakes of its own.

Buys water from

Sumas Water Dept Sumas, WA

Annual water quality report

Sumas Rural Water Association 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.

Where the state allows it, systems serving fewer than 10,000 people may publish the report in a local newspaper or news site instead of mailing it, and must provide a copy on request.

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 Washington.

Certified drinking water labs by state EPA guidance for private wells