MAMMOTH LAKES BASIN
California — Transient Non-Community — PWSID: CA2600729
System Information
| PWSID | CA2600729 |
| System Name | MAMMOTH LAKES BASIN |
| 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 | Jul 10, 2004 |
| Last Reported | Mar 20, 2026 |
Location & Contact
| State | California |
| City | BISHOP |
| ZIP Code | 93514 |
| Address | 351 PACU LANE, SUITE 20C |
| Organization | AMURIAT, AARON |
| Phone | 760-873-2546 |
Population & Service
| Population Served | 1,000 |
| Service Connections | 56 |
Drinking Water Violations (2)
This water system has 2 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, 2005 | Aug 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — | |
| Aug 1, 2005 | Aug 31, 2005 | MCL | Yes | No | — | 5% of samples | — | Resolved | Aug 31, 2005 | — |
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.