IGO ONO SCHOOL
California - Non-Transient Non-Community - PWSID: CA4500188
System Information
| PWSID | CA4500188 |
| System Name | IGO ONO SCHOOL |
| System Type | Non-Transient Non-Community |
| Water Source | Ground Water |
| Activity Status | Non-Inventory |
| Owner Type | Local |
| EPA Region | 09 |
| Serves School | Yes |
| Wholesaler | No |
| First Reported | Jan 5, 1981 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | IGO |
| ZIP Code | 96047 |
| Address | P O BOX 250 |
| Organization | IGO ONO SCHOOL |
| Phone | 5303962841 |
Population & Service
| Population Served | 130 |
| Service Connections | 1 |
Drinking Water Violations (13)
This water system has 13 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, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 20, 2003 | - | |
| Jul 1, 2003 | - | Other | No | No | - | - | - | Resolved | Oct 20, 2003 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Sep 1, 2001 | Sep 30, 2001 | MR | No | No | - | 5% of samples | - | Resolved | Sep 30, 2001 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | May 31, 2006 | - | |
| Jan 1, 1996 | - | MR | No | No | - | TT | - | Resolved | May 31, 2006 | - | |
| Jan 1, 1983 | Jan 31, 1983 | Other | No | No | - | - | - | Archived | Jan 31, 1983 | - | |
| Dec 1, 1982 | Dec 31, 1982 | Other | No | No | - | - | - | Archived | Dec 31, 1982 | - | |
| Nov 1, 1982 | Nov 30, 1982 | Other | No | No | - | - | - | Archived | Nov 30, 1982 | - | |
| Oct 1, 1982 | Oct 31, 1982 | Other | No | No | - | - | - | Archived | Oct 31, 1982 | - | |
| - | - | - | 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.