Public water system record
North Marin Water District
Serves an area of Marin County, CA that includes Novato, Inverness, Black Point-Green Point and 1 more place · 61,691 people served
Federal records show no health-based violations and no monitoring or reporting issues for North Marin Water District 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
- North Marin Water District draws water from 1 surface water intake.
- Record on file since 1993, with 1 health-based violation before October 19, 2016.
- Lead pipe inventory: 0 lead and 453 unknown out of 20,924 service lines.
Check whether North Marin Water District 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 North Marin Water District 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: Total Coliform, began July 1993, Resolved.
Show the health-based violation before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Jul 1, 1993 | Resolved |
Where the water comes from
North Marin Water District draws water from 1 surface water intake. It also buys water from Sonoma County Water Agency. 1 smaller public system such as schools, businesses or campgrounds buys water from North Marin Water District.
Buys water from
- Sonoma County Water Agency Santa Rosa, CA
Annual water quality report
North Marin Water District 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