Public water system record
Armstrong Valley-Cal Water Service (Puc)
Serves Guerneville, Sonoma County, CA · 473 people served
Federal records show no health-based violations and no monitoring or reporting issues for Armstrong Valley-Cal Water Service (Puc) 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
- Armstrong Valley-Cal Water Service (Puc) draws water from 2 wells.
- Record on file since 1993, with 0 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 297 service lines.
Check whether Armstrong Valley-Cal Water Service (Puc) 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 Armstrong Valley-Cal Water Service (Puc) go back to 1993. Before October 19, 2016 they list no health-based violations and 1 monitoring or reporting violation.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 1 |
Where the water comes from
Armstrong Valley-Cal Water Service (Puc) draws water from 2 wells.
Annual water quality report
Armstrong Valley-Cal Water Service (Puc) 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 500 or fewer people may meet the rule by telling customers the report is available on request, so you may need to ask Armstrong Valley-Cal Water Service (Puc) for a copy.
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