PlainWater
Counties → California

Placer County, California

Water Systems
123
Population Served
429,603
Total Violations
1,542
332 health-based
PFAS Detected
3
of 12 tested

Violation Analysis

83.7%
Systems with Violations
12.5
Avg Violations per System
21.5%
Health-Based Violations

Water Source Types

GW
27 systems (22%)
SW
23 systems (19%)

PFAS Contamination

12
Systems Tested
3
PFAS Detected
25.0%
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

Placer 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
City of Roseville 155,612 7 Clean
Placer Cwa - Foothill 89,544 0 Clean
City of Lincoln 54,538 0 Detected
Placer Cwa - Auburn/Bowman 27,294 0 Clean
Northstar C.s.d. 15,452 6 Clean
Cal Am - West Placer 8,861 0 Clean
Nevada ID - North Auburn 6,870 0 Clean
Foresthill Public Utility Dist 6,782 2 Clean
North Tahoe PUD - Main 6,321 12 Clean
Tahoe City PUD - Main 5,661 14 Clean
Northstar Csd - Martis Valley 4,493 0 -
Meadow Vista Cwd 4,183 0 Clean
Tahoe City PUD - Tahoe Swiss Village 3,363 12 -
Placer Cwa - Colfax 3,149 0 -
Fulton Water Company 2,593 41 -
Agate Bay Water Company 2,500 94 -
Alpine Springs County Water District 2,200 3 -
Northstar Summit Deck & Grill 2,000 16 -
Christian Valley Park Csd 1,800 6 -
Pcwa - Weimar 1,689 4 -
Palisades Tahoe 8200 Water System 1,500 54 Clean
Midway Heights C. W. D. 1,491 82 -
Olympic Valley Psd 1,165 1 -
Loomis Community Park 1,000 5 -
Cisco Grove Campground & RV Park 920 14 -
McKinney Water District 853 3 -
Tahoe City PUD - McKinney/Quail 844 2 -
Sierra Lakes County Water Dist 824 2 -
Tahoe City PUD - Tahoe Cedars 793 20 -
Olympic Valley MWC 756 14 -
Tahoe Park Water Company 750 26 -
Placer Cwa - Alta 748 3 -
Placer CSA - Sheridan 653 4 -
North Tahoe PUD - Carnelian Woods 524 4 -
Indian Creek Golf Course 512 11 -
North Tahoe PUD - Dollar Cove 507 4 -
Usfs French Meadows South Shore 500 29 -
Usfs French Meadows North Shore 500 27 -
Lakeview Hills Community Assoc 499 5 -
Hidden Valley Community Association 499 4 -
Nyack Water System 450 15 -
Ward Well Water Company 425 5 -
Morning Star Lake Resort 400 4 -
Folsom Lake Mutual Water Co 333 0 -
Rainbow Springs Public Water System 300 15 -
Tahoe City PUD - Madden Creek 300 7 -
Talmont Resort Improvement District 300 15 -
Auburn Valley Community Service Dis 290 11 -
Ophir Elementary School Water System 260 31 -
Heather Glen Community Service Dist 250 32 -

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 Placer County? ▼
Placer County has 1,542 total drinking water violations across 123 water systems, of which 332 are health-based violations. 83.7% of systems have at least one violation.
How many people get water from Placer County systems? ▼
Water systems in Placer County serve approximately 429,603 people through 123 public water systems.
Has PFAS been detected in Placer County water? ▼
Of 12 water systems tested for PFAS in Placer County, 3 had PFAS detected (25.0% detection rate).
What types of water sources supply Placer County? ▼
Water systems in Placer County use GW (27 systems), SW (23 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. 21.5% of Placer 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.