Public water system record

Joint Water Commission

On record as serving Washington County, OR · Population served not reported

Federal records show no health-based violations and 8 monitoring/reporting issues for Joint Water Commission in the last ten years.

  • OR4100379
  • HILLSBORO
  • OR
  • 0 served

System profile

Source water Surface water
ZIP 97123
EPA system ID OR4100379

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
8

Key facts

  • Joint Water Commission draws water from 1 surface water intake.
  • Record on file since 1976, with 0 health-based violations before October 19, 2016.

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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
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2023 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Mar 1, 2023 Resolved
Lead and Copper Rule
Monitoring and reporting
Jan 1, 2023 Resolved
Interim Enhanced Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2020 Resolved
Surface Water Treatment Rule
Monitoring and reporting
Sep 1, 2020 Resolved
Lead and Copper Rule
Monitoring and reporting
Jul 1, 2020 Resolved

Full record since 1976

EPA's records for Joint Water Commission go back to 1976. Before October 19, 2016 they list no health-based violations and 47 monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1970s 0 2
1990s 0 20
2000s 0 25
2020s 0 8

Where the water comes from

Joint Water Commission draws water from 1 surface water intake. 8 other community water systems buy water from Joint Water Commission.

Community systems that buy water from it

Annual water quality report

Joint Water Commission 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.

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 Oregon.