Public water system record
City of Arcata
Serves Arcata, Humboldt County, CA · 20,875 people served
Federal records show no health-based violations and no monitoring or reporting issues for City of Arcata in the last ten years.
System profile
- Health-based violations, last 10 years
- 0
- Resolved
- 0
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 0
Key facts
- City of Arcata buys its water from Humboldt Bay MWD.
- Record on file since 1993, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 3,572 unknown out of 6,674 service lines.
Check whether City of Arcata serves your address
Health-based violations
Since October 2016Violation 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 City of Arcata 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
City of Arcata buys its water from Humboldt Bay MWD. EPA also lists 1 well, all for emergency, seasonal or other part-time use. 1 other public water system has an emergency connection to City of Arcata.
Buys water from
- Humboldt Bay MWD Eureka, CA
Annual water quality report
City of Arcata 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 10,000 or more people must mail or deliver the report to every customer, and from 2027 they must send it twice a 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 California.
Certified drinking water labs by state EPA guidance for private wells