PlainWater

CITY OF ANDERSON

PWS ID: CA4510001 · ANDERSON, California 96007

CITY OF ANDERSON serves 11,147 people in ANDERSON, California using Groundwater water sources. It has 11 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CITY OF ANDERSON

CITY OF ANDERSON is a local-owned community water system that delivers drinking water to 11,147 residents in ANDERSON, California (Shasta County) through 3,612 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 11 total violations for this system , of which 1 (9%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 6 monitoring and reporting violations are on file. The most recent violation on record dates to 2024.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 4 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

Across California, EPA tracks 7,249 public water systems serving 42,404,883 people, with 153,308 cumulative violations and 63,983 health-based violations on record. About 89% of systems in the state carry at least one violation, and state-wide the average per system is 21.1 violations. CITY OF ANDERSON's 11 violations sit below the California average. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%). All figures above are sourced directly from EPA SDWIS and UCMR5 public data releases and are updated as EPA publishes new reporting cycles.

Population Served
11,147
Total Violations
11
Health-Based Violations
1
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
3,612
County
Shasta
School/Daycare
No
MCL Violations
0
Monitoring Violations
6
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2005
Lead and Copper Rule MR 2 2016
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 10 samples detected PFAS.

Contaminant Date Result MRL Status
NEtFOSAA 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/18/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 7/18/2024 <0.008 µg/L 0.008 µg/L Not Detected
PFTrDA 7/18/2024 <0.007 µg/L 0.007 µg/L Not Detected
lithium 7/18/2024 <9 µg/L 9 µg/L Not Detected
NEtFOSAA 7/18/2024 <0.005 µg/L 0.005 µg/L Not Detected
NMeFOSAA 7/18/2024 <0.006 µg/L 0.006 µg/L Not Detected
PFTA 7/18/2024 <0.008 µg/L 0.008 µg/L Not Detected
lithium 7/18/2024 <9 µg/L 9 µg/L Not Detected
PFTrDA 7/18/2024 <0.007 µg/L 0.007 µg/L Not Detected

Verify This Water System

The figures above are aggregated from EPA's public databases. To verify the underlying records — or to file a complaint, request a Consumer Confidence Report, or check current monitoring status — go directly to the federal and state regulators that enforce the Safe Drinking Water Act for CITY OF ANDERSON.

Federal Source of Truth

EPA SDWIS — Federal Reports

EPA's Safe Drinking Water Information System (SDWIS) holds the federal compliance record for every regulated public water system. Open the system-level report by PWS ID:

View PWS ID CA4510001 on SDWIS

Source: EPA SDWIS Federal Reports Search

State Regulator

California Drinking Water Authority

California State Water Resources Control Board — Division of Drinking Water is the primacy agency that licenses and inspects CITY OF ANDERSON under EPA-delegated authority.

Open CA regulator portal

Source: California State Water Resources Control Board — Division of Drinking Water

Violation Timeline

Each row links to the EPA SDWIS public record for verification. Cross-reference the contaminant code on EPA's federal report to see violation dates, return-to-compliance status, and enforcement actions.

Year (latest) Contaminant Category Count EPA Record
2024 LEAD AND COPPER RULE REVISIONS RPT 1 SDWIS / CA4510001 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CA4510001 / 5200
2016 Lead and Copper Rule MR 2 SDWIS / CA4510001 / 5000
2005 Coliform (TCR) MR 4 SDWIS / CA4510001 / 3100

How CITY OF ANDERSON Compares

Cross-reference this system's record against state averages and the federal MCL framework for context.

Metric CITY OF ANDERSON California avg Federal benchmark
Total violations 11 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 1 8.8 Indicates a contaminant exceeded a federal MCL
PFAS detection None 64.4% EPA final rule (2024): PFOA/PFOS MCL = 4.0 ppt
Population served 11,147 5,850 Sizing context for compliance burden

Sources: EPA SDWIS and EPA National Primary Drinking Water Regulations (40 CFR Part 141). State averages computed across 7,249 regulated public water systems in California.

Federal MCL reference — Safe Drinking Water Act thresholds
Contaminant Federal MCL / Action Level Note
Lead 0 mg/L (Action Level: 0.015 mg/L) Lead and Copper Rule treatment technique
Arsenic 0.010 mg/L (10 ppb) Health-based MCL since 2006
Total Coliform Treatment technique (RTCR) Indicator organism, monitoring trigger
PFOA / PFOS (PFAS) 4.0 ppt each (final 2024 rule) Compliance deadline 2029
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is CITY OF ANDERSON water safe to drink?
CITY OF ANDERSON (PWS ID: CA4510001) has 11 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 11,147 people using Groundwater sources.
How many people does CITY OF ANDERSON serve?
CITY OF ANDERSON serves 11,147 people in ANDERSON, California. It is a Local-owned system using Groundwater water sources with 3,612 service connections.
What type of violations does CITY OF ANDERSON have?
CITY OF ANDERSON has 11 total violations: 1 health-based violations (MCL exceedances or treatment failures), 6 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CITY OF ANDERSON water?
No. CITY OF ANDERSON was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does CITY OF ANDERSON use?
CITY OF ANDERSON uses Groundwater as its primary water source. It is classified as a Community Water System (CWS), serving residential populations year-round.
Where does this data come from?
All data comes from the EPA Safe Drinking Water Information System (SDWIS) and the UCMR5 PFAS monitoring program. SDWIS tracks compliance for all public water systems regulated under the Safe Drinking Water Act.

Explore PlainWater

Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.

Related

Data sourced from $official public datasets. See our methodology for details. Retrieved and formatted by Kiznis Studio Editorial