ERNIE BALL, INC
California - Non-Transient Non-Community - PWSID: CA4000751
System Information
| PWSID | CA4000751 |
| System Name | ERNIE BALL, INC |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Private |
| EPA Region | 09 |
| Serves School | No |
| Wholesaler | No |
| First Reported | Mar 28, 1986 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | SAN LUIS OBISPO |
| ZIP Code | 93401 |
| Address | PO BOX 4117 |
| Organization | ERNIE BALL INC |
| Phone | 8055447726 |
Population & Service
| Population Served | 300 |
| Service Connections | 1 |
Drinking Water Violations (15)
This water system has 15 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, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 2007 | - | |
| Aug 1, 2007 | Aug 31, 2007 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 2007 | - | |
| Feb 1, 2007 | Feb 28, 2007 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 2007 | - | |
| Feb 1, 2007 | Feb 28, 2007 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 2007 | - | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2006 | - | |
| Dec 1, 2006 | Dec 31, 2006 | MR | No | No | - | 5% of samples | - | Archived | Dec 31, 2006 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2005 | - | |
| Oct 1, 2005 | Oct 31, 2005 | MR | No | No | - | 5% of samples | - | Archived | Oct 31, 2005 | - | |
| Aug 1, 2004 | Aug 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 2004 | - | |
| Aug 1, 2004 | Aug 31, 2004 | MR | No | No | - | 5% of samples | - | Archived | Aug 31, 2004 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 2003 | - | |
| Feb 1, 2003 | Feb 28, 2003 | MR | No | No | - | 5% of samples | - | Archived | Feb 28, 2003 | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | No | No | - | - | - | - | - | - | |
| - | - | - | 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.