PlainWater

TOWN OF SUNOL - SFPUC

PWS ID: CA0110012 · BURLINGAME, California 94010-2301

TOWN OF SUNOL - SFPUC serves 281 people in BURLINGAME, California using Surface Water water sources. It has 1 recorded EPA violations, including 1 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: TOWN OF SUNOL - SFPUC

TOWN OF SUNOL - SFPUC is a local-owned community water system that delivers drinking water to 281 residents in BURLINGAME, California (Alameda County) through 102 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 1 total violations for this system , of which 1 (100%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. The most recent violation on record dates to 1995.

The most frequently cited contaminant at this system is Surface Water Treatment Rule, recorded in 1 violation (TT, 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. TOWN OF SUNOL - SFPUC's 1 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
281
Total Violations
1
Health-Based Violations
1
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
102
County
Alameda
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Surface Water Treatment Rule TT 1 1995

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 TOWN OF SUNOL - SFPUC.

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 CA0110012 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 TOWN OF SUNOL - SFPUC 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
1995 Surface Water Treatment Rule TT 1 SDWIS / CA0110012 / 0200

How TOWN OF SUNOL - SFPUC Compares

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

Metric TOWN OF SUNOL - SFPUC California avg Federal benchmark
Total violations 1 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 281 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 TOWN OF SUNOL - SFPUC water safe to drink?
TOWN OF SUNOL - SFPUC (PWS ID: CA0110012) has 1 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 281 people using Surface Water sources.
How many people does TOWN OF SUNOL - SFPUC serve?
TOWN OF SUNOL - SFPUC serves 281 people in BURLINGAME, California. It is a Local-owned system using Surface Water water sources with 102 service connections.
What type of violations does TOWN OF SUNOL - SFPUC have?
TOWN OF SUNOL - SFPUC has 1 total violations: 1 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in TOWN OF SUNOL - SFPUC water?
No PFAS testing data is available for TOWN OF SUNOL - SFPUC under the EPA's UCMR5 monitoring program.
What water source does TOWN OF SUNOL - SFPUC use?
TOWN OF SUNOL - SFPUC uses Surface Water 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. 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