U.S. ARMY CORPS-LAKE SONOMA HEADQUARTERS
California - Transient Non-Community - PWSID: CA4910702
System Information
| PWSID | CA4910702 |
| System Name | U.S. ARMY CORPS-LAKE SONOMA HEADQUARTERS |
| System Type | Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Federal |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 6, 1994 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | GEYSERVILLE |
| ZIP Code | 95441 |
| Address | 3333 Skaggs Springs Rd. |
| Organization | WHITE, BENJAMIN |
| Phone | 707-431-4554 |
Population & Service
| Population Served | 52 |
| Service Connections | 12 |
Drinking Water Violations (6)
This water system has 6 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Jun 1, 2017 | Jun 30, 2017 | MON | No | No | - | - | - | Resolved | Jun 30, 2017 | - | |
| Jun 1, 2017 | Jun 30, 2017 | MON | No | No | - | - | - | Resolved | Jun 30, 2017 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Jun 1, 1999 | Jun 30, 1999 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1999 | - | |
| Jun 1, 1993 | Jun 30, 1993 | TT | Yes | No | - | - | - | Resolved | Jun 30, 1993 | - | |
| Jun 1, 1993 | Jun 30, 1993 | TT | Yes | No | - | - | - | Resolved | Jun 30, 1993 | - |
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.