Public water system record

Humboldt Bay MWD

Serves an area of Humboldt County, CA that includes McKinleyville, Eureka, Arcata and 12 more places · 680 people served

Federal records show no health-based violations and no monitoring or reporting issues for Humboldt Bay MWD in the last ten years.

  • CA1210013
  • EUREKA
  • CA
  • 680 served

System profile

Source water Groundwater
ZIP 95502
EPA system ID CA1210013

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

  • Humboldt Bay MWD draws water from 4 wells.
  • Record on file since 1993, with 1 health-based violation before October 19, 2016.
  • Lead pipe inventory: 0 lead and 35 unknown out of 219 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 1993

EPA's records for Humboldt Bay MWD go back to 1993. Before October 19, 2016 they list 1 health-based violation (1 resolved) and no monitoring or reporting violations.

Violations that began in Health-based Monitoring and reporting
1990s 1 0

Most recent health-based violation before October 19, 2016: Surface Water Treatment Rule, began June 1993, Resolved.

Show the health-based violation before October 19, 2016
Contaminant Start date Status
Surface Water Treatment Rule
Treatment technique failure
Jun 1, 1993 Resolved

Where the water comes from

Humboldt Bay MWD draws water from 4 wells. 8 other community water systems buy water from Humboldt Bay MWD.

Community systems that buy water from it

Annual water quality report

Humboldt Bay MWD 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 California.