ALAMEDA COUNTY FAIRGROUNDS
California - Non-Transient Non-Community - PWSID: CA0105020
System Information
| PWSID | CA0105020 |
| System Name | ALAMEDA COUNTY FAIRGROUNDS |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Active |
| Owner Type | Mixed |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Jan 6, 1994 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | PLEASANTON |
| ZIP Code | 94566-7001 |
| Address | 4501 PLEASANTON AVENUE |
| Organization | WILCOX, BETH |
| Phone | 925-426-7656 |
Population & Service
| Population Served | 82 |
| Service Connections | 33 |
Drinking Water Violations (20)
This water system has 20 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Oct 17, 2024 | - | TT | Yes | No | - | - | - | Unaddressed | - | - | |
| Oct 17, 2024 | - | RPT | No | No | - | - | - | Unaddressed | - | - | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Dec 1, 1998 | Dec 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Dec 31, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Jun 1, 1998 | Jun 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Jun 30, 1998 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1998 | - | |
| Apr 1, 1998 | Apr 30, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Apr 30, 1998 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Mar 1, 1998 | Mar 31, 1998 | MCL | Yes | No | - | 5% of samples | - | Resolved | Mar 31, 1998 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MR | No | No | - | 5% of samples | - | Resolved | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1996 | - | |
| Oct 1, 1996 | Oct 31, 1996 | MCL | Yes | No | - | 5% of samples | - | Resolved | Oct 31, 1996 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1995 | Sep 30, 1995 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 1995 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1993 | - | |
| Jul 1, 1993 | Jul 31, 1993 | MR | No | No | - | 5% of samples | - | Resolved | Jul 31, 1993 | - | |
| - | - | - | No | No | - | - | - | - | - | - |
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.