Public water system · CA5210004

Active

City of Red Bluff

At a glance

City of Red Bluff (PWSID CA5210004) is an active community water system in Tehama County, California. It reports serving 14,710 people through 4,742 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in January 2020.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

14,710

Service connections

4,742

Primary source

Groundwater

System type

CWS

Community water system

System record

PWSIDCA5210004

System typeCommunity water system

Activity statusActive

Population served14,710

Service connections4,742

Primary water sourceGroundwater

Owner typeLocal government

Primacy agencyCA state drinking water program

City servedRed Bluff

StateCalifornia

ZIP—

CountyTehama County

How does City of Red Bluff compare with other water systems in Tehama County?

By EPA's size categories, City of Red Bluff is a large system (10,001 to 100,000 people). Tehama County has 109 active public water systems, and City of Red Bluff is the largest of them by population served. Its population served is about 31 times the county average of 474 people per system, and accounts for 28% of the 51,627 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so City of Red Bluff is about twice that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.

Who owns and regulates City of Red Bluff?

EPA lists City of Red Bluff as owned by a local government. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 22 of the 109 active systems in Tehama County (20%) are also owned by a local government.

Does City of Red Bluff have drinking water violations?

EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in January 2020. The violations listed here began between November 1992 and January 2020. By type: 9 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Total coliform bacteria (TCR) (9 of them). EPA lists 10 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.

Began	Violation	Contaminant or rule	Health-based	Status
2020-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2013-05-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2013-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-04-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2003-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1998-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1995-08-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1992-12-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
1992-11-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved

All 10 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.

City of Red Bluff: frequently asked questions

Who runs City of Red Bluff?

City of Red Bluff (PWSID CA5210004) is a community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does City of Red Bluff serve?

City of Red Bluff reports serving 14,710 people through 4,742 service connections in Tehama County, California.

Where does City of Red Bluff get its water?

EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.

Does City of Red Bluff have any drinking water violations?

EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in January 2020. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.

Is City of Red Bluff's water safe to drink?

AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 10 violations for this system; 9 are health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.

Where can I find City of Red Bluff's water quality report?

As a community water system, City of Red Bluff must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Tehama County

Water system	County	Population served	Type	Source
City of Corning	Tehama	8,244	Community	Groundwater
Rio Alto Water District	Tehama	3,329	Community	Groundwater
Caltrans-Red Bluff Rest-Nb	Tehama	2,600	Transient non-community	Groundwater
Caltrans-Red Bluff Rest-Sb	Tehama	2,500	Transient non-community	Groundwater
Los Molinos Comm. Services Dist.	Tehama	1,450	Community	Groundwater
Gerber Las Flores Csd	Tehama	1,200	Community	Groundwater

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About this data

Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.

Cite as: AquaCensus, “City of Red Bluff, PWSID CA5210004, California”, https://aquacensus.com/water-systems/california/city-of-red-bluff-ca5210004 (data as of October 1, 2026).