Nevada County, California

4 active water systems in this county.

Water System	Population Served	Source	Violations	Health-Based
City of Nevada City	3,148	Surface Water	4	3
City of Grass Valley	4,947	Surface Water	1	0
Mother Truckers Water System	450	Groundwater	0	0
Mccourtney Road Transfer Station	25	Groundwater	0	0