PlainWater
Counties → California

Butte County, California

Water Systems
88
Population Served
231,825
Total Violations
1,512
172 health-based
PFAS Detected
4
of 7 tested

Violation Analysis

89.8%
Systems with Violations
17.2
Avg Violations per System
11.4%
Health-Based Violations

Water Source Types

GW
43 systems (49%)
SW
7 systems (8%)

PFAS Contamination

7
Systems Tested
4
PFAS Detected
57.1%
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

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

No violations on record (1) One or more violations (49)

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
Cal-Water Service Co.-Chico 114,925 17 Detected
South Feather W&p - Miners Ranch 22,664 0 Clean
Butte-Glenn Community College Dist 18,000 4 Clean
Thermalito Water & Sewer Dist 12,136 11 Detected
Cal-Water Service Co.-Oroville 11,106 4 Detected
Del Oro Water Co.-Paradise Pines 10,940 16 -
Paradise Irrigation District 9,142 21 Clean
Gray Lodge Check Station 8,000 2 -
City of Gridley 7,269 11 Detected
City of Biggs 2,060 25 -
Durham Irrigation District 1,581 11 -
Palermo Bible Family Church 1,000 4 -
Del Oro Water Co.-Lime Saddle Marina 895 2 -
Chico Grange #486 800 8 -
Casa de Alma El Cameron Pelao 750 2 -
Pleasant Valley Baptist Church 600 53 -
Dwr-Monument Hill Restrooms 593 2 -
Del Oro Water Co.-Stirling Bluffs 521 14 -
Chico Eastside Little League 500 12 -
Gridley Farm Labor Housing 460 15 -
Butte Creek Estates Mutual Water Co 399 26 -
Sierra Nevada Brewing Co. 350 2 -
Del Oro Water Co.-Magalia 340 8 -
Pleasant Grove MHP 327 45 -
Bidwell Park Golf Course 325 15 -
Lake Madrone Water District 297 37 -
Manzanita Elementary School 295 10 -
Gran Mutual Water Co 290 7 -
Golden Feather MHP 275 34 -
Almond Grove Mobile Park 253 20 -
Lundberg Family Farm 240 19 -
Nord Country School 230 15 -
Dingerville USA Park 220 13 -
Silver Dollar Fairgrounds 195 14 -
Foothills Manufactured Home Communuty 180 92 -
Fedex Ground 180 4 -
Keefer Creek Estates 160 10 -
Liberty 1st Ward Meeting House 151 2 -
Youth With a Mission-Springs of Living W 150 5 -
Paradise Adventist Church 150 6 -
G & J Properties 130 14 -
Forest Ranch Charter School 125 12 -
River Reflections RV & Campground 125 19 -
Sierra Moon Mutual Water Company 120 42 -
Forest Ranch Mutual Water System 119 32 -
Del Oro Water Company - Buzztail Dist. 106 16 -
Durham Dayton Industrial Partners-Pro PA 102 16 -
Psea Camp - Desabla 100 8 -
Down Range Indoor Training Center 100 2 -
Merry Mountain Mutual 90 33 -

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 Butte County? ▼
Butte County has 1,512 total drinking water violations across 88 water systems, of which 172 are health-based violations. 89.8% of systems have at least one violation.
How many people get water from Butte County systems? ▼
Water systems in Butte County serve approximately 231,825 people through 88 public water systems.
Has PFAS been detected in Butte County water? ▼
Of 7 water systems tested for PFAS in Butte County, 4 had PFAS detected (57.1% detection rate).
What types of water sources supply Butte County? ▼
Water systems in Butte County use GW (43 systems), SW (7 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. 11.4% of Butte 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.