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SAN BENITO COUNTY WATER DISTRICT

PWS ID: CA3510007 · HOLLISTER, California 95023

SAN BENITO COUNTY WATER DISTRICT serves 25 people in HOLLISTER, California using Surface Water water sources. It has a clean compliance record with no EPA violations recorded. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: SAN BENITO COUNTY WATER DISTRICT

SAN BENITO COUNTY WATER DISTRICT is a local-owned community water system that delivers drinking water to 25 residents in HOLLISTER, California (San Benito County) through 8 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 0 total violations for this system , giving it a clean Safe Drinking Water Act compliance record.

No specific contaminant violations have been recorded in EPA's detailed violation register for this system. 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. SAN BENITO COUNTY WATER DISTRICT's 0 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
25
Total Violations
0
Health-Based Violations
0
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
8
County
San Benito
School/Daycare
No
MCL Violations
0
Monitoring Violations
0
Treatment Tech Violations
0

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 SAN BENITO COUNTY WATER DISTRICT.

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 CA3510007 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 SAN BENITO COUNTY WATER DISTRICT under EPA-delegated authority.

Open CA regulator portal

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

How SAN BENITO COUNTY WATER DISTRICT Compares

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

Metric SAN BENITO COUNTY WATER DISTRICT California avg Federal benchmark
Total violations 0 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 0 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 25 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 SAN BENITO COUNTY WATER DISTRICT water safe to drink?
SAN BENITO COUNTY WATER DISTRICT (PWS ID: CA3510007) has 0 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 25 people using Surface Water sources.
How many people does SAN BENITO COUNTY WATER DISTRICT serve?
SAN BENITO COUNTY WATER DISTRICT serves 25 people in HOLLISTER, California. It is a Local-owned system using Surface Water water sources with 8 service connections.
What type of violations does SAN BENITO COUNTY WATER DISTRICT have?
SAN BENITO COUNTY WATER DISTRICT has 0 total violations: 0 health-based violations (MCL exceedances or treatment failures), 0 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in SAN BENITO COUNTY WATER DISTRICT water?
No PFAS testing data is available for SAN BENITO COUNTY WATER DISTRICT under the EPA's UCMR5 monitoring program.
What water source does SAN BENITO COUNTY WATER DISTRICT use?
SAN BENITO COUNTY WATER DISTRICT 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 PlainWater Editorial