CSA NO. 31 STONEGATE WS
California - Community Water System - PWSID: CA3500006
System Information
| PWSID | CA3500006 |
| System Name | CSA NO. 31 STONEGATE WS |
| 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 | Jan 6, 1994 |
| Last Reported | Jun 22, 2026 |
Location & Contact
| State | California |
| City | HOLLISTER |
| ZIP Code | 95023 |
| Address | 2301 Technology Parkway |
| Organization | YOUNG, LINDA |
| Phone | 831-636-4170 |
Population & Service
| Population Served | 230 |
| Service Connections | 77 |
Drinking Water Violations (30)
This water system has 30 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Jul 1, 2023 | Jul 31, 2023 | MON | No | No | - | - | - | Resolved | Jul 31, 2023 | - | |
| Apr 1, 2022 | Jun 30, 2022 | TT | Yes | No | - | TT | - | Archived | Jun 30, 2022 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2016 | - | |
| Oct 1, 2016 | - | MR | No | No | - | TT | - | Resolved | Oct 14, 2016 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2009 | - | |
| Oct 1, 2009 | Dec 31, 2009 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2009 | - | |
| Jul 1, 2009 | Sep 30, 2009 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Sep 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2009 | Jun 30, 2009 | MCL | Yes | No | .09 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2009 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .82 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | MCL | Yes | No | .82 MG/L | 0.080 mg/L | .08 | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2006 | - | |
| Apr 1, 2006 | Jun 30, 2006 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .82 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2006 | - | |
| Jan 1, 2006 | Mar 31, 2006 | MCL | Yes | No | .82 MG/L | 0.080 mg/L | .08 | Resolved | Mar 31, 2006 | - | |
| Oct 1, 2005 | Dec 31, 2005 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | TT | Yes | No | - | TT | - | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .82 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | - | |
| Oct 1, 2005 | Dec 31, 2005 | MCL | Yes | No | .82 MG/L | 0.080 mg/L | .08 | Resolved | Dec 31, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | TT | Yes | No | - | TT | - | Resolved | Sep 30, 2005 | - | |
| Jul 1, 2005 | Sep 30, 2005 | TT | Yes | No | - | TT | - | Resolved | Sep 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Apr 1, 2005 | Jun 30, 2005 | TT | Yes | No | - | TT | - | Resolved | Jun 30, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2005 | - | |
| Jan 1, 2005 | Mar 31, 2005 | TT | Yes | No | - | TT | - | Resolved | Mar 31, 2005 | - | |
| Jul 1, 1993 | Mar 1, 2000 | MR | No | No | - | TT | - | Resolved | Mar 1, 2000 | - |
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.