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SANTA RITA WATER

PWS ID: CA4200822 · LOMPOC, California 93436

SANTA RITA WATER serves 59 people in LOMPOC, California using Groundwater water sources. It has 26 recorded EPA violations, including 20 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SANTA RITA WATER

SANTA RITA WATER is a private-owned community water system that delivers drinking water to 59 residents in LOMPOC, California (Santa Barbara County) through 18 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 26 total violations for this system , of which 20 (77%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 4 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 Arsenic, recorded in 17 violations (MCL, health-based). This system has not yet been sampled under EPA's UCMR5 PFAS monitoring program, so no PFAS detection data is available here.

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. SANTA RITA WATER's 26 violations sit above 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
59
Total Violations
26
Health-Based Violations
20
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Private
Connections
18
County
Santa Barbara
School/Daycare
No
MCL Violations
20
Monitoring Violations
4
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Arsenic MCL 17 2022
Lead and Copper Rule MR 4 2024
Coliform (TCR) MCL 3 2015

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 SANTA RITA WATER.

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 CA4200822 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 SANTA RITA WATER 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 MR 4 SDWIS / CA4200822 / 5000
2022 Arsenic MCL 17 SDWIS / CA4200822 / 1005
2015 Coliform (TCR) MCL 3 SDWIS / CA4200822 / 3100

How SANTA RITA WATER Compares

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

Metric SANTA RITA WATER California avg Federal benchmark
Total violations 26 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 20 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 59 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 SANTA RITA WATER water safe to drink?
SANTA RITA WATER (PWS ID: CA4200822) has 26 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 59 people using Groundwater sources.
How many people does SANTA RITA WATER serve?
SANTA RITA WATER serves 59 people in LOMPOC, California. It is a Private-owned system using Groundwater water sources with 18 service connections.
What type of violations does SANTA RITA WATER have?
SANTA RITA WATER has 26 total violations: 20 health-based violations (MCL exceedances or treatment failures), 4 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SANTA RITA WATER water?
No PFAS testing data is available for SANTA RITA WATER under the EPA's UCMR5 monitoring program.
What water source does SANTA RITA WATER use?
SANTA RITA WATER 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 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 PlainWater Editorial