PlainWater
Counties → California

Plumas County, California

Water Systems
110
Population Served
32,794
Total Violations
1,590
844 health-based
PFAS Detected
1
of 2 tested

Violation Analysis

80.0%
Systems with Violations
14.5
Avg Violations per System
53.1%
Health-Based Violations

Water Source Types

GW
46 systems (42%)
SW
4 systems (4%)

PFAS Contamination

2
Systems Tested
1
PFAS Detected
50.0%
Detection Rate

PFAS (per- and polyfluoroalkyl substances) are persistent chemicals found in drinking water. The EPA has set enforceable limits for several PFAS compounds under UCMR5 monitoring.

Compliance Snapshot

Plumas California water systems by violation status, EPA SDWIS records.

No violations on record (9) One or more violations (41)

Violation history is cumulative, many flagged systems have already returned to compliance. Detail pages show per-system context.

Water Systems

System Name Population Violations PFAS
Lake Almanor Country Club MWC 6,000 6 Clean
American Valley Csd 3,778 15 Detected
Chester Public U.d. 2,187 13 -
City of Portola 2,100 44 -
Hamilton Branch Csd 1,874 7 -
Plumas Eureka Csd 1,534 99 -
West Almanor M.W.C. 1,394 6 -
Grizzly Lake Csd-Delleker 1,314 103 -
Plumas-Eureka S.p. 800 10 -
Whitehawk Ranch MWC 765 9 -
Feather River RV & MHP 741 3 -
Graeagle Water Company 737 4 -
Ivcsd-Greenville 630 69 -
Feather River Community College 600 8 -
Caltrans-Massack Rest Stop 350 6 -
Pg&e Rocky Point Cg 312 4 -
Oakland Feather River Camp 300 32 -
Sierra Pacific Industries Quincy 300 8 -
Grizzly Creek Ranch Snj 300 10 -
Greenhorn Creek Csd 280 6 -
Ivcsd Crescent Mills 258 6 -
Lower Bucks Lake Lds Camp 220 0 -
Grizzly Lake Csd-Crocker/Welch 215 55 -
Caltrans-L.t. Davis Reststop 200 34 -
Waltons Grizzly Lodge 200 0 -
Bucks Lakeshore Resort 200 15 -
Blairsden Water Users Assn 200 57 -
Associations of Thompson Lake 182 17 -
Pg&e Ponderosa Flat Cg 150 0 -
Pg&e Haskins Valley Cg 150 0 -
Coppercreek Campground 150 0 -
Clio Rivers Edge RV Park 150 3 -
Walker Ranch Csd 150 2 -
Two Rivers Sport Camp 150 12 -
Gold Mountain Csd 135 8 -
Caltrans-Chester Safety Rest Stop 120 6 -
Pnf Kenzie Ravine 1 & 2 120 11 -
Lake Cove Resort 120 4 -
Grizzly Ranch Csd 102 0 -
Pnf Grasshopper / Grizzly Cgs 100 5 -
Little Bear RV Park 100 0 -
Pnf Mt Hough Ranger Station 100 12 -
North Shore Cg 100 6 -
Plumas Pines Resort 100 0 -
Uc Berkeley Forestry Camp 100 12 -
Brewing Lair 100 0 -
Camp Timberwolf 90 7 -
Pnf Lighting Tree Cg 90 15 -
Pnf Big Cove Cg 80 49 -
Clio Public Utility District 79 17 -

Other Counties in California

Los Angeles County
276 systems · 10,109,089 served · 3,972 violations
San Diego County
197 systems · 3,744,323 served · 4,832 violations
Orange County
46 systems · 3,201,893 served · 507 violations
Riverside County
201 systems · 2,839,125 served · 6,103 violations
San Bernardino County
318 systems · 2,830,626 served · 4,611 violations
Alameda County
27 systems · 2,249,634 served · 275 violations

Drinking Water Guides

Frequently Asked Questions

How many water violations are in Plumas County? ▼
Plumas County has 1,590 total drinking water violations across 110 water systems, of which 844 are health-based violations. 80.0% of systems have at least one violation.
How many people get water from Plumas County systems? ▼
Water systems in Plumas County serve approximately 32,794 people through 110 public water systems.
Has PFAS been detected in Plumas County water? ▼
Of 2 water systems tested for PFAS in Plumas County, 1 had PFAS detected (50.0% detection rate).
What types of water sources supply Plumas County? ▼
Water systems in Plumas County use GW (46 systems), SW (4 systems) as their primary water sources.
Are health-based violations serious? ▼
Health-based violations indicate that drinking water exceeded Maximum Contaminant Levels (MCLs) set by the EPA or failed treatment technique requirements. 53.1% of Plumas County's violations are health-based. Not all violations indicate immediate health risk, but they require corrective action.
Data Sources & Methodology

Drinking water violation data from the EPA Safe Drinking Water Information System (SDWIS). PFAS testing data from the UCMR5 monitoring program. SDWIS tracks all public water systems regulated under the Safe Drinking Water Act.

Violations are categorized as health-based (Maximum Contaminant Level exceedances, treatment technique failures) or monitoring/reporting violations. Not all violations indicate an immediate health risk.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This page draws directly on EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.