Drinking Water Systems in YOSEMITE NP, California
4 water systems are reported for this city, with a combined service population of 1,836. The systems have 1 EPA violation record in the five-year period ending June 30, 2026.
Water Systems Serving YOSEMITE NP
YOSEMITE NPS-EL PORTAL
635 served1 historical record
A
YOSEMITE NPS-HODGDON MEADOW
51 served2 historical records
A
YOSEMITE NPS-YOSEMITE VALLEY
1,000 served2 historical records1 recent
B
YOSEMITE NPS-WAWONA
150 served2 historical records
A
EPA Contaminant Categories in Historical Violation Records
Consumer Confidence Rule3 records
Lead and Copper Rule1 record
COPPER, FREE1 record
Category counts aggregate historical compliance records across listed systems. They do not show current concentrations or household test results.