Public water system record
Sereno Del Mar Water Company (Puc)
Serves an area of Sonoma County, CA that includes Sereno del Mar · 435 people served
Federal records show no health-based violations and no monitoring or reporting issues for Sereno Del Mar Water Company (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
- Sereno Del Mar Water Company (Puc) draws water from 10 wells and 1 surface water intake (6 of them for emergency, seasonal or other part-time use).
- Most recent formal enforcement: compliance order (no penalty) by California, July 2008.
- Record on file since 1980, with 3 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 180 service lines.
Check whether Sereno Del Mar Water Company (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 1980
EPA's records for Sereno Del Mar Water Company (Puc) go back to 1980. Before October 19, 2016 they list 3 health-based violations (3 resolved) and 10 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1980s | 0 | 7 |
| 1990s | 1 | 1 |
| 2000s | 2 | 2 |
Most recent health-based violation before October 19, 2016: Total Coliform (acute), began December 2001, Resolved.
Show all 3 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Total Coliform (acute)
Contaminant limit exceeded
|
Dec 1, 2001 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 2000 | Resolved |
|
Surface Water Treatment Rule
Treatment technique failure
|
Feb 1, 1999 | Resolved |
Enforcement actions
California regulators took 5 formal enforcement actions against Sereno Del Mar Water Company (Puc) between 1999 and 2008. The most recent was a compliance order (no penalty) in July 2008.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Jul 11, 2008 | California | Compliance order (no penalty) | 1 violation: Nitrite |
| Jun 13, 2007 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Feb 4, 2002 | California | Compliance order (no penalty) | 1 violation (1 health-based): Total Coliform |
| Mar 27, 2000 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
| Mar 30, 1999 | California | Compliance order (no penalty) | 1 violation (1 health-based): Surface Water Treatment Rule |
Where the water comes from
Sereno Del Mar Water Company (Puc) draws water from 10 wells and 1 surface water intake (6 of them for emergency, seasonal or other part-time use).
Annual water quality report
Sereno Del Mar Water Company (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 Sereno Del Mar Water Company (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