PlainWater
Counties → California

Tehama County, California

Water Systems
111
Population Served
52,035
Total Violations
1,111
326 health-based
PFAS Detected
2
of 2 tested

Violation Analysis

87.4%
Systems with Violations
10.0
Avg Violations per System
29.3%
Health-Based Violations

Water Source Types

GW
42 systems (38%)
SW
8 systems (7%)

PFAS Contamination

2
Systems Tested
2
PFAS Detected
100.0%
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

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

No violations on record (6) One or more violations (44)

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 Red Bluff 14,710 20 Detected
City of Corning 8,244 31 Clean
Rio Alto Water District 3,329 8 -
Caltrans-Red Bluff Rest-Nb 2,600 4 -
Caltrans-Red Bluff Rest-Sb 2,500 5 -
Los Molinos Comm. Services Dist. 1,450 121 -
Gerber las Flores Csd 1,200 6 -
Evergreen Union School District 1,100 4 -
R-Wild Horse Ranch 1,055 5 -
Wal*mart Dist. Ctr/Eco Res 1,023 2 -
Black Butte Lake, Buckhorn Ra, Uscoe 700 6 -
Mineral County Water District 634 22 -
Gerber Union Elementary School District 625 8 -
Lassen Vnp - Manzanita Lake 606 0 -
Rio Vista Mobile Home Park 543 14 -
City of Tehama 483 21 -
Vista Grande Water System 468 15 -
Sierra Pacific Industries - Red Bluff MI 450 1 -
Sky View County Water 412 15 -
Lassen View Union Elementary School Dist 350 7 -
Sierra Pacific Industries - Richfield 350 1 -
Sierra Pacific Industries - Windows 350 0 -
Berrendos School 325 11 -
River Ranch Mobile Home Park 305 16 -
Black Butte Lake, Headquarters, Uscoe 300 5 -
Richfield Elementary School 280 1 -
Lassen Vnp - Summit Lake 251 2 -
Black Butte Lake, Buckhorn Group, Uscoe 250 3 -
Dollar General Proberta 250 0 -
Lassen Vnp - Butte Lake 240 0 -
Paskenta Comm. Services Dist. 237 85 -
E Headstart 220 7 -
Lake California POA R.V. Park 200 4 -
Reeds Creek School 196 3 -
Las Flores Water Works 191 25 -
Antelope Creek MHP 175 5 -
Crain Walnut Shelling, Inc. 167 2 -
Surrey Village Water Co. Inc. 163 8 -
Woodson Bridge MHP 158 17 -
Reynolds Consumer Products (Red Bluff) 150 6 -
Lassen Vnp - Lost Creek 150 0 -
Mira Monte Water Co. 145 20 -
Lassen Vnp - Southwest/Chalet 145 0 -
Maywood Mobile Home Park 140 19 -
Cal Fire - Ishi Conservation Camp 135 8 -
Mountain Valley Apts & Rvp 131 10 -
Cal Fire - Salt Creek Conservation Camp 130 6 -
Del Oro WC - Larkspur Meadows 116 11 -
Corning RV Park 112 2 -
Kirkwood Elementary School 111 5 -

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 Tehama County? ▼
Tehama County has 1,111 total drinking water violations across 111 water systems, of which 326 are health-based violations. 87.4% of systems have at least one violation.
How many people get water from Tehama County systems? ▼
Water systems in Tehama County serve approximately 52,035 people through 111 public water systems.
Has PFAS been detected in Tehama County water? ▼
Of 2 water systems tested for PFAS in Tehama County, 2 had PFAS detected (100.0% detection rate).
What types of water sources supply Tehama County? ▼
Water systems in Tehama County use GW (42 systems), SW (8 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. 29.3% of Tehama 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.