PlainWater
Counties → California

Sacramento County, California

Water Systems
166
Population Served
1,685,812
Total Violations
2,206
1,063 health-based
PFAS Detected
17
of 29 tested

Violation Analysis

88.0%
Systems with Violations
13.3
Avg Violations per System
48.2%
Health-Based Violations

Water Source Types

GW
28 systems (17%)
SW
22 systems (13%)

PFAS Contamination

29
Systems Tested
17
PFAS Detected
58.6%
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

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

No violations on record (3) One or more violations (47)

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 Sacramento Main 520,407 4 Detected
Sacramento Suburban Water District 194,444 23 Detected
Scwa - Laguna/Vineyard 184,896 2 Detected
Folsom, City of - Main 80,969 8 Clean
Citrus Heights Water District 67,818 8 Clean
Cal Am - Suburban Rosemont 54,793 4 Detected
Cal Am - Parkway 50,573 3 Detected
Cal Am - Lincoln Oaks 48,094 2 Detected
Golden State Water Co. - Cordova 47,161 12 Clean
Elk Grove Water District 43,813 6 Detected
Sacramento International Airport [Sws] 41,717 2 Clean
Carmichael Water District 41,193 4 Detected
Fair Oaks Water District 36,226 0 Clean
Cal Am - Antelope 35,534 1 Clean
Scwa Mather-Sunrise 30,825 5 Clean
San Juan Water District 29,598 2 Clean
Galt, City Of 26,536 47 -
Orange Vale Water Company 16,861 6 Clean
Cal Am - Fruitridge Vista 15,652 8 Clean
Rio Linda/Elverta Community Water Dist 15,460 19 Detected
Scwa - Arden Park Vista 10,101 4 Detected
California State Fair 9,280 8 Detected
Florin County Water District 7,831 45 Detected
Folsom State Prison 7,502 4 Detected
Rancho Murieta Community Servi 5,728 13 Clean
Golden State Water Co - Arden Water Serv 5,658 6 Clean
Del Paso Manor County Water Di 4,854 5 Clean
Cal Am - Arden 4,191 2 Detected
Folsom, City of - Ashland 3,317 0 Clean
Gibson Ranch County Park 3,300 6 -
Northgate 880 [Sws] 2,926 2 -
Rio Cosumnes Correctional Center [Sws] 2,800 10 -
Metro Air Park Water System 2,500 3 -
American River College 2,000 18 -
Slavic Missionary Church Inc 1,800 33 -
Branch Center [Sws] 1,700 2 -
Cal Am - Isleton 1,693 1 -
Brannan Island State Rec. Area 1,622 5 -
Elkhorn I-5 Rest Area 1,000 0 -
Richard a. McGee Training Center 975 9 -
Church of Jesus Christ of Lds (Sws) 800 6 -
Mc Clellan MHP 700 11 -
Cal Am - Walnut Grove 667 2 -
Tokay Park Water Co 653 18 -
Franklin Elementary School 650 49 -
Grand Island Mansion 600 4 -
St Maria Goretti Parish (Sws) 600 1 -
Cosumnes River Elementary School 560 3 -
Rancho Seco Park 558 5 -
Arcohe Elem School - Main Campus 465 7 -

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 Sacramento County? ▼
Sacramento County has 2,206 total drinking water violations across 166 water systems, of which 1,063 are health-based violations. 88.0% of systems have at least one violation.
How many people get water from Sacramento County systems? ▼
Water systems in Sacramento County serve approximately 1,685,812 people through 166 public water systems.
Has PFAS been detected in Sacramento County water? ▼
Of 29 water systems tested for PFAS in Sacramento County, 17 had PFAS detected (58.6% detection rate).
What types of water sources supply Sacramento County? ▼
Water systems in Sacramento County use GW (28 systems), SW (22 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. 48.2% of Sacramento 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.