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Public water system record

Union Hill Water Association Inc

Serves Union Hill-Novelty Hill, King County, WA · 8,720 people served

Federal records show no health-based violations and no monitoring or reporting issues for Union Hill Water Association Inc in the last ten years.

  • WA5390260
  • REDMOND
  • WA
  • 8,720 served

System profile

Source water Groundwater
ZIP 98053
EPA system ID WA5390260

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
0

Key facts

  • Union Hill Water Association Inc draws water from 5 wells (2 of them for emergency, seasonal or other part-time use).
  • Record on file since 1992, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 0 unknown out of 2,065 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, and no monitoring or reporting violations either.

Full record since 1992

EPA's records for Union Hill Water Association Inc go back to 1992. Before October 19, 2016 they list 1 health-based violation (1 archived by EPA without a recorded fix) and 73 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 2
2000s 0 69
2010 to October 18, 2016 0 2

Most recent health-based violation before October 19, 2016: Total Coliform, began May 1997, Archived.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Total Coliform
Contaminant limit exceeded
 May 1, 1997 Archived

Where the water comes from

Union Hill Water Association Inc draws water from 5 wells (2 of them for emergency, seasonal or other part-time use). It also has emergency connections to City of Redmond Water System, NE Sammamish Sewer & Water District and Sammamish Plateau Water & Sewer. 2 other public water systems have emergency connections to Union Hill Water Association Inc.

Emergency or part-time connections to

Annual water quality report

Union Hill Water Association Inc 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