Tap Truth EPA drinking water records, in plain English

County drinking water records

Lassen County, CA drinking water systems

16 community water systems serve Lassen County, CA, reporting 18,945 people served in all.

2 of them (13%) had at least one health-based violation in the last 10 years. 3 systems still have one unresolved.

16 rely mainly on groundwater, counting water bought from other systems.

15 systems filed a lead service line inventory listing 0 lead lines, 0 galvanized lines that must be replaced and 229 lines of unknown material.

Community water systems
16
People served, sum of each system's own figure
18,945
Systems with a health-based violation, last 10 years
2
Systems with one unresolved
3
Lead service lines in inventories
0

Water systems serving Lassen County

16 systems

People served is each system's own figure for its whole service area. Violation counts cover the last 10 years of EPA records.

System Serves People served Main source Health-based violations, 10 years Unresolved Lead lines
City of Susanville Susanville 7,811 Groundwater 0 0 0
CDCR-High Desert State Prison Susanville 3,857 Groundwater 0 0 0
Herlong Public Utility District Patton Village and Herlong and land outside them 2,114 Groundwater 0 0 0
Westwood C.S.D. Westwood 1,662 Groundwater 0 0 0
Leavitt Lake CSD Outside cities and towns 950 Groundwater 0 0 0
Lake Forest Mutual W.C. Outside cities and towns 565 Groundwater 0 0 0
Lassen County Water Works District #1 Bieber 450 Groundwater 0 1 0
Clear Creek CSD-Westwood Clear Creek 400 Groundwater 0 0 0
Spaulding Eagle Lake MWC Spaulding 317 Groundwater 0 0 0
Susan Hills Estates WC Outside cities and towns 252 Groundwater 0 0 0
Susanville Upper Rancheria Outside cities and towns 190 Purchased groundwater 0 0 0
Susan River Park Water Co. Johnstonville 140 Groundwater 0 0 0
Pineview Mobile Home Park Susanville 80 Groundwater 1 2 0
Little Valley CSD Little Valley 70 Groundwater 1 2 No inventory
Lassen Mobile Home Park Johnstonville 62 Groundwater 0 0 0
Honey Lake Campground Outside cities and towns 25 Groundwater 0 0 0

Cities and towns in Lassen County

9 places

Back to California

Counties come from the counties EPA lists each system serving, matched to 2024 Census counties; where EPA lists none, from the county coded in the system's ID, its service area map, or its mailing address. A county holding at least a fifth of a system's service area map is added when at least a fifth of that map lies in those counties. Towns are the ones EPA lists and the Census places such a map covers, always inside those counties. In New England, where EPA's town names a whole Town, it is not matched to the village of the same name. A system is not listed in a county holding less than a fifth of its map, or in a county or town its map reaches when the map lies mostly outside the counties EPA lists, so a page can leave out a system that serves part of the area. Methodology and limitations