Public water system · CA4510001
ActiveCity of Anderson
At a glance
City of Anderson (PWSID CA4510001) is an active community water system in Shasta County, California. It reports serving 11,147 people through 3,612 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
11,147
Service connections
3,612
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Anderson compare with other water systems in Shasta County?
By EPA's size categories, City of Anderson is a large system (10,001 to 100,000 people). Shasta County has 174 active public water systems, and City of Anderson is the 3rd-largest of them by population served. Its population served is about 9.2 times the county average of 1,208 people per system, and accounts for 5.3% of the 210,209 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 Anderson is about 66% above 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 Anderson?
EPA lists City of Anderson 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. 31 of the 174 active systems in Shasta County (18%) are also owned by a local government.
Does City of Anderson have drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between September 1994 and October 2024. By type: 3 monitoring and reporting, 1 reporting and 1 required treatment not met. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 3 as resolved and 2 as unaddressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Unaddressed |
| 2016-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-11-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 1994-09-01 | Monitoring and reportingMonitoring, Repeat Minor (TCR) · code 26 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 5 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 Anderson: frequently asked questions
Who runs City of Anderson?
City of Anderson (PWSID CA4510001) 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 Anderson serve?
City of Anderson reports serving 11,147 people through 3,612 service connections in Shasta County, California.
Where does City of Anderson 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 Anderson have any drinking water violations?
EPA's records list 5 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Anderson'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 5 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Anderson's water quality report?
As a community water system, City of Anderson 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 Shasta County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Redding | Shasta | 89,628 | Community | Surface water |
| Bella Vista Water District | Shasta | 18,612 | Community | Surface water |
| City of Shasta Lake | Shasta | 10,657 | Community | Surface water |
| Shasta District Fair | Shasta | 10,200 | Transient non-community | Groundwater |
| Clear Creek Csd-Anderson | Shasta | 8,900 | Community | Surface water |
| Centerville C.S.D. | Shasta | 4,151 | Community | Purchased surface water |
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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 Anderson, PWSID CA4510001, California”, https://aquacensus.com/water-systems/california/city-of-anderson-ca4510001 (data as of October 1, 2026).