Public water system record
Sonoma State University
Serves Sonoma State University, Sonoma County, CA · 10,986 people served
Federal records show 1 health-based violation and 1 monitoring/reporting issue for Sonoma State University in the last ten years. The most serious issue in this window was a resolved Groundwater Rule violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 1
- Unresolved
- 0
- Any acute record
- No
- Monitoring issues, last 10 years
- 1
Key facts
- Sonoma State University draws water from 3 wells.
- Most recent formal enforcement: compliance order (no penalty) by California, February 2018.
- Record on file since 1987, with 5 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 100 service lines.
Check whether Sonoma State University 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.
| Contaminant | Rule family | Start date | Status | Acute |
|---|---|---|---|---|
|
Groundwater Rule
Treatment technique failure
|
140 | May 1, 2017 | Resolved | No |
Monitoring and reporting issues
Since October 2016Missed tests or reports, not contaminants found above a limit.
| Issue | Start date | Status |
|---|---|---|
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2017 | Resolved |
Full record since 1987
EPA's records for Sonoma State University go back to 1987. Before October 19, 2016 they list 5 health-based violations (5 resolved) and 6 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 3 |
| 1990s | 2 | 2 |
| 2000s | 3 | 0 |
| 2010 to October 18, 2016 | 0 | 1 |
| October 19, 2016 to 2019 | 1 | 1 |
Most recent health-based violation before October 19, 2016: Total Coliform, began October 2004, Resolved.
Show all 5 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform
Contaminant limit exceeded
|
Oct 1, 2004 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
May 1, 2002 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Sep 1, 2000 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Nov 1, 1999 | Resolved |
|
Total Coliform
Contaminant limit exceeded
|
Mar 1, 1998 | Resolved |
Enforcement actions
California regulators took 6 formal enforcement actions against Sonoma State University between 1999 and 2018. The most recent was a compliance order (no penalty) in February 2018.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Feb 1, 2018 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jul 14, 2017 | California | Compliance order (no penalty) | 1 violation (1 health-based): Groundwater Rule |
| Nov 17, 2004 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Jun 20, 2002 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Nov 1, 2000 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Dec 16, 1999 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
What the violations mean
Groundwater Rule
1 incidentThe system did not complete a treatment step or action that the Groundwater Rule requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Sonoma State University draws water from 3 wells.
Annual water quality report
Sonoma State University 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