EPA EXPORT · 13 SEP 2026FEDERAL COMPLIANCE RECORDS · NOT A HOME WATER TEST
TAP WATERLEDGERPublic system compliance records

COUNTY WATER-SYSTEM LEDGER

Mono, California

EPA’s September 2026 export lists 3 active community water systems serving Mono, California, with 2 current-violation flags and 0 serious-violator flags among the covered systems.

Source: EPA SDWIS system-search export · Active community systems serving 2,500+ people · Snapshot 13 Sep 2026

Systems3active CWS · pop. 2,500+
Population served13,807reported total; may overlap
Current violation flag66.7%2 systems
Serious-violator flag0.0%0 systems

01 / SYSTEMS

Water systems serving Mono, California

EPA associates 3 covered systems with Mono, California; their reported population-served values total 13,807 and may overlap.

Ordered by reported population served. Open any record for separate health, monitoring, notice, other, and serious-violator flags.

EPA community water systems serving Mono, California
Water systemPopulation servedPrimary sourceCurrent export status
Mammoth CwdCA26100018,234Surface waterNo current violation flagged
June Lake Pud - Down CanyonCA26100042,810Surface waterCurrent health-based flag
June Lake Pud VillageCA26100022,763Surface waterCurrent health-based flag

02 / SOURCE MIX

Primary water sources for Mono, California

EPA classifies 3 systems serving Mono, California across 1 primary-source categories; Surface water is the largest category with 3 systems.

Surface water3 systems · 13,807 served
How to read the population total

It is the sum of each listed system's reported population served, not a census estimate. Service areas can overlap and some systems list multiple cities or counties.