BERRYESSA HIGHLANDS
California - Community Water System - PWSID: CA2810013
System Information
| PWSID | CA2810013 |
| System Name | BERRYESSA HIGHLANDS |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Dec 15, 1992 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | NAPA |
| ZIP Code | 94559 |
| Address | 804 First Street |
| Organization | SILKE, CHRISTOPHER |
| Phone | 707-299-1755 |
Population & Service
| Population Served | 715 |
| Service Connections | 256 |
Drinking Water Violations (59)
This water system has 59 violations recorded in the EPA SDWIS database.
| Begin Date | End Date | Contaminant | Category | Health-Based | Major | Measured | Federal MCL | State MCL | Status | Return to Compliance | Rule |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Aug 1, 2024 | Aug 31, 2024 | MON | No | Yes | - | - | - | Archived | Aug 31, 2024 | - | |
| Dec 1, 2020 | Dec 31, 2020 | MON | No | Yes | - | - | - | Archived | Dec 31, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .0823 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .0823 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2020 | - | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | .0823 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .0863 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .0863 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2020 | - | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | .0863 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2020 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | .087 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2019 | - | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .0845 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2019 | - | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | .0845 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | - | Resolved | Jun 30, 2019 | - | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | - | Resolved | Jun 30, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | 89.8 UG/L | 0.080 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | 89.8 UG/L | 0.080 mg/L | - | Resolved | Mar 31, 2019 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Oct 1, 2018 | Dec 31, 2018 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | - | Resolved | Dec 31, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | 91.8 UG/L | 0.080 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | 91.8 UG/L | 0.080 mg/L | - | Resolved | Sep 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 84.3 UG/L | 0.080 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 84.3 UG/L | 0.080 mg/L | - | Resolved | Jun 30, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .1 MG/L | 0.080 mg/L | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .1 MG/L | 0.080 mg/L | - | Resolved | Mar 31, 2018 | - | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | .1 MG/L | 0.080 mg/L | - | Resolved | Mar 31, 2018 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | .096 MG/L | 0.080 mg/L | - | Resolved | Dec 31, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | .097 MG/L | 0.080 mg/L | - | Resolved | Sep 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Apr 1, 2017 | Jun 30, 2017 | MCL | Yes | No | .099 MG/L | 0.080 mg/L | - | Resolved | Jun 30, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | .08675 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2017 | - | |
| Jan 1, 2017 | Mar 31, 2017 | MCL | Yes | No | .08675 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2017 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2016 | - | |
| Oct 1, 2016 | Dec 31, 2016 | MCL | Yes | No | .091 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 89.25 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2016 | - | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 89.25 UG/L | 0.080 mg/L | 80 | Resolved | Sep 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 61.6 UG/L | 0.060 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 61.6 UG/L | 0.060 mg/L | - | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 89 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | - | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 89 UG/L | 0.080 mg/L | 80 | Resolved | Jun 30, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 89 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2016 | - | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 89 UG/L | 0.080 mg/L | 80 | Resolved | Mar 31, 2016 | - | |
| Feb 1, 2014 | - | Other | No | No | - | - | - | Resolved | Mar 7, 2018 | - | |
| Feb 1, 2014 | - | Other | No | No | - | - | - | Resolved | Mar 7, 2018 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2014 | - | |
| Jan 1, 2014 | Mar 31, 2014 | MR | No | Yes | - | 0.080 mg/L | - | Resolved | Mar 31, 2014 | - |
About This Water System
Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.