Public water system record
Berryessa Pines Water System
Serves an area of Napa County, CA · 261 people served
Federal records show 1 health-based violation and 7 monitoring/reporting issues for Berryessa Pines Water System in the last ten years, including an unresolved LEAD AND COPPER RULE REVISIONS violation.
System profile
- Health-based violations, last 10 years
- 1
- Resolved
- 0
- Unresolved
- 1
- Any acute record
- No
- Monitoring issues, last 10 years
- 7
Key facts
- Berryessa Pines Water System draws water from 1 surface water intake.
- Most recent formal enforcement: compliance order (no penalty) by California, November 2024.
- Record on file since 1993, with 2 health-based violations before October 19, 2016.
- Lead pipe inventory: 0 lead and 0 unknown out of 84 service lines.
Check whether Berryessa Pines Water System 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 |
|---|---|---|---|---|
|
LEAD AND COPPER RULE REVISIONS
Treatment technique failure
|
350 | Oct 17, 2024 | Active | 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 REVISIONS
RPT
|
Oct 17, 2024 | Active |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2024 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jul 1, 2022 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Oct 1, 2021 | Resolved |
|
Nitrate
Monitoring and reporting
|
Jan 1, 2021 | Resolved |
|
Consumer Confidence Rule
OTHER
|
Jul 1, 2020 | Resolved |
|
Lead and Copper Rule
Monitoring and reporting
|
Jan 1, 1996 | Resolved |
Full record since 1993
EPA's records for Berryessa Pines Water System go back to 1993. Before October 19, 2016 they list 2 health-based violations (2 resolved) and 7 monitoring or reporting violations.
| Violations that began in | Health-based | Monitoring and reporting |
|---|---|---|
| 1990s | 0 | 3 |
| 2000s | 2 | 2 |
| 2010 to October 18, 2016 | 0 | 2 |
| 2020s | 1 | 6 |
Most recent health-based violation before October 19, 2016: Haloacetic Acids (HAA5), began January 2006, Resolved.
Show all 2 health-based violations before October 19, 2016
| Contaminant | Start date | Status |
|---|---|---|
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.063 mg/L, federal limit 0.06 mg/L (1.1 times the limit)
|
Jan 1, 2006 | Resolved |
|
Haloacetic Acids (HAA5)
Contaminant limit exceeded
Measured 0.0995 mg/L, federal limit 0.06 mg/L (1.7 times the limit)
|
Oct 1, 2005 | Resolved |
Enforcement actions
California regulators took 11 formal enforcement actions against Berryessa Pines Water System between 1998 and 2024. The most recent was a compliance order (no penalty) in November 2024.
| Date | By | Action | Violations covered |
|---|---|---|---|
| Nov 26, 2024 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Aug 3, 2022 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Jan 27, 2022 | California | Compliance order (no penalty) | 1 violation: Nitrate |
| Nov 17, 2021 | California | Compliance order with a penalty | 1 violation: Lead and Copper Rule |
| Feb 25, 2021 | California | Compliance order (no penalty) | 1 violation: Consumer Confidence Rule |
| Feb 28, 2011 | California | Compliance order (no penalty) | 1 violation: Total Coliform |
| Nov 5, 2010 | California | Compliance order (no penalty) | 1 violation: Miscellaneous Other Rules |
| Apr 2, 2007 | California | Compliance order (no penalty) | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Nov 14, 2006 | California | Compliance order (no penalty) | 1 violation (1 health-based): Haloacetic Acids (HAA5) |
| Oct 10, 2001 | California | Compliance order (no penalty) | 1 violation: Lead and Copper Rule |
| Nov 16, 1998 | California | Compliance order (no penalty) | 1 violation: Miscellaneous Other Rules |
What the violations mean
LEAD AND COPPER RULE REVISIONS
1 incidentThe system did not complete a treatment step or action that the LEAD AND COPPER RULE REVISIONS requires (a treatment technique violation).
The utility had to notify customers about this violation.
Where the water comes from
Berryessa Pines Water System draws water from 1 surface water intake.
Annual water quality report
Berryessa Pines Water System 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 Berryessa Pines Water System 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