San Mateo County, California

8 active water systems in this county.

Water System	Population Served	Source	Violations	Health-Based
City of Redwood City	92,819	Surface Water Purchased	3	3
City of Brisbane	3,402	Surface Water Purchased	3	3
Menlo Park Municipal Water	22,362	Surface Water Purchased	2	2
City of East Palo Alto	29,519	Surface Water Purchased	1	1
City of San Bruno	41,327	Surface Water Purchased	3	0
City of Daly City	104,901	Surface Water Purchased	0	0
City of Burlingame	31,451	Surface Water Purchased	0	0
City of Millbrae	22,795	Surface Water Purchased	0	0