DEL ORO RIVER ISLAND SERV TERR #1
California — Community Water System — PWSID: CA5400665
System Information
| PWSID | CA5400665 |
| System Name | DEL ORO RIVER ISLAND SERV TERR #1 |
| System Type | Community Water System |
| Water Source | Surface Water |
| Activity Status | Active |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 22, 1979 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | CHICO |
| ZIP Code | 95927 |
| Address | DRAWER 5172 |
| Organization | FORTINO, ROBERT |
| Phone | 530-894-1100 |
Population & Service
| Population Served | 1,280 |
| Service Connections | 388 |
Drinking Water Violations (147)
This water system has 147 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 13 MG/L | 10 mg/L | 10 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 13 MG/L | 10 mg/L | 10 | Archived | Jun 30, 2024 | — | |
| Apr 1, 2024 | Jun 30, 2024 | MCL | Yes | No | 41.3 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2024 | — | |
| Jan 1, 2024 | Mar 31, 2024 | MCL | Yes | No | 39.2 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2024 | — | |
| Oct 1, 2023 | Dec 31, 2023 | MCL | Yes | No | 44 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2023 | — | |
| Aug 1, 2023 | Aug 31, 2023 | MCL | Yes | No | 13 MG/L | 10 mg/L | 10 | Archived | Aug 31, 2023 | — | |
| Jul 1, 2023 | Jul 31, 2023 | MCL | Yes | No | 11.3 MG/L | 10 mg/L | 10 | Archived | Jul 31, 2023 | — | |
| Jul 1, 2023 | Sep 30, 2023 | MCL | Yes | No | 42.3 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2023 | — | |
| Jun 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 11.7 MG/L | 10 mg/L | 10 | Archived | Jun 30, 2023 | — | |
| Apr 1, 2023 | Jun 30, 2023 | MCL | Yes | No | 42.8 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2023 | — | |
| Jan 1, 2023 | Mar 31, 2023 | MCL | Yes | No | 44.1 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2023 | — | |
| Oct 1, 2022 | Dec 31, 2022 | MCL | Yes | No | 44.7 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2022 | — | |
| Jul 1, 2022 | Sep 30, 2022 | MCL | Yes | No | 46 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2022 | — | |
| Apr 1, 2022 | Jun 30, 2022 | MCL | Yes | No | 47.3 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2022 | — | |
| Jan 1, 2022 | Mar 31, 2022 | MCL | Yes | No | 47.5 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2022 | — | |
| Oct 1, 2021 | Dec 31, 2021 | MCL | Yes | No | 48 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2021 | — | |
| Jul 1, 2021 | Sep 30, 2021 | MCL | Yes | No | 48.5 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2021 | — | |
| Apr 1, 2021 | Jun 30, 2021 | MCL | Yes | No | 46.8 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2021 | — | |
| Jan 1, 2021 | Mar 31, 2021 | MCL | Yes | No | 43.8 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2021 | — | |
| Oct 1, 2020 | Dec 31, 2020 | MCL | Yes | No | 43 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2020 | — | |
| Jul 1, 2020 | Sep 30, 2020 | MCL | Yes | No | 41.8 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2020 | — | |
| Apr 1, 2020 | Jun 30, 2020 | MCL | Yes | No | 42 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2020 | — | |
| Jan 1, 2020 | Mar 31, 2020 | MCL | Yes | No | 43.6 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2020 | — | |
| Oct 1, 2019 | Dec 31, 2019 | MCL | Yes | No | 41.8 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2019 | — | |
| Jul 1, 2019 | Sep 30, 2019 | MCL | Yes | No | 41.6 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2019 | — | |
| Apr 1, 2019 | Jun 30, 2019 | MCL | Yes | No | 41.8 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2019 | — | |
| Jan 1, 2019 | Mar 31, 2019 | MCL | Yes | No | 42.8 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2019 | — | |
| Jul 1, 2018 | Sep 30, 2018 | MCL | Yes | No | 45 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2018 | — | |
| Apr 1, 2018 | Jun 30, 2018 | MCL | Yes | No | 45 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2018 | — | |
| Jan 1, 2018 | Mar 31, 2018 | MCL | Yes | No | 41 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2018 | — | |
| Oct 1, 2017 | Dec 31, 2017 | MCL | Yes | No | 31 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | 32.4 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | 12.1 MG/L | 10 mg/L | 10 | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2017 | Sep 30, 2017 | MCL | Yes | No | 12.1 MG/L | 10 mg/L | 10 | Resolved | Sep 30, 2017 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MR | No | Yes | — | 10 mg/L | — | Resolved | Sep 30, 2016 | — | |
| Jul 1, 2016 | Sep 30, 2016 | MCL | Yes | No | 31.4 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2016 | — | |
| Apr 1, 2016 | Jun 30, 2016 | MCL | Yes | No | 31.6 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2016 | — | |
| Jan 1, 2016 | Mar 31, 2016 | MCL | Yes | No | 33.4 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2016 | — | |
| Oct 1, 2015 | Dec 31, 2015 | MCL | Yes | No | 33.2 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2015 | — | |
| Jul 1, 2015 | Sep 30, 2015 | MCL | Yes | No | 29.7 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2015 | — | |
| Apr 1, 2015 | Jun 30, 2015 | MCL | Yes | No | 32.5 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2015 | — | |
| Jan 1, 2015 | Mar 31, 2015 | MCL | Yes | No | 35.9 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2015 | — | |
| Oct 1, 2014 | Dec 31, 2014 | MCL | Yes | No | 31.7 PCI/L | 30 ug/L | 20 | Archived | Dec 31, 2014 | — | |
| Jul 1, 2014 | Sep 30, 2014 | MCL | Yes | No | 42.4 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2014 | — | |
| Apr 1, 2014 | Jun 30, 2014 | MCL | Yes | No | 47.6 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2014 | — | |
| Jan 1, 2014 | Mar 31, 2014 | MCL | Yes | No | 48.9 PCI/L | 30 ug/L | 20 | Archived | Mar 31, 2014 | — | |
| Oct 1, 2013 | Dec 31, 2013 | MCL | Yes | No | 54.7 PCI/L | 30 ug/L | — | Archived | Dec 31, 2013 | — | |
| Jul 1, 2013 | Sep 30, 2013 | MCL | Yes | No | 47.3 PCI/L | 30 ug/L | 20 | Archived | Sep 30, 2013 | — | |
| Apr 1, 2013 | Jun 30, 2013 | MCL | Yes | No | 41.5 PCI/L | 30 ug/L | 20 | Archived | Jun 30, 2013 | — |
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.