PlainWater

DEL REY COMMUNITY SERV DIST

PWS ID: CA1010035 · DEL REY, California 93616

DEL REY COMMUNITY SERV DIST serves 1,491 people in DEL REY, California using Groundwater water sources. It has 20 recorded EPA violations, including 4 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: DEL REY COMMUNITY SERV DIST

DEL REY COMMUNITY SERV DIST is a local-owned community water system that delivers drinking water to 1,491 residents in DEL REY, California (Fresno County) through 312 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 20 total violations for this system , of which 4 (20%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 14 monitoring and reporting violations are on file. The most recent violation on record dates to 2015.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 14 violations (MR). 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. DEL REY COMMUNITY SERV DIST's 20 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
1,491
Total Violations
20
Health-Based Violations
4
Water Source
Groundwater

System Details

System Type
Community
Owner Type
Local
Connections
312
County
Fresno
School/Daycare
No
MCL Violations
4
Monitoring Violations
14
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 14 2015
Coliform (TCR) MCL 2 2001
Coliform (TCR) Other 2 2001
1,2-DIBROMO-3-CHLOROPROPANE MCL 2 1991

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 DEL REY COMMUNITY SERV DIST.

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 CA1010035 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 DEL REY COMMUNITY SERV DIST 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
2015 Coliform (TCR) MR 14 SDWIS / CA1010035 / 3100
2001 Coliform (TCR) MCL 2 SDWIS / CA1010035 / 3100
2001 Coliform (TCR) Other 2 SDWIS / CA1010035 / 3100
1991 1,2-DIBROMO-3-CHLOROPROPANE MCL 2 SDWIS / CA1010035 / 2931

How DEL REY COMMUNITY SERV DIST Compares

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

Metric DEL REY COMMUNITY SERV DIST California avg Federal benchmark
Total violations 20 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 4 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 1,491 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 DEL REY COMMUNITY SERV DIST water safe to drink?
DEL REY COMMUNITY SERV DIST (PWS ID: CA1010035) has 20 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 1,491 people using Groundwater sources.
How many people does DEL REY COMMUNITY SERV DIST serve?
DEL REY COMMUNITY SERV DIST serves 1,491 people in DEL REY, California. It is a Local-owned system using Groundwater water sources with 312 service connections.
What type of violations does DEL REY COMMUNITY SERV DIST have?
DEL REY COMMUNITY SERV DIST has 20 total violations: 4 health-based violations (MCL exceedances or treatment failures), 14 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in DEL REY COMMUNITY SERV DIST water?
No PFAS testing data is available for DEL REY COMMUNITY SERV DIST under the EPA's UCMR5 monitoring program.
What water source does DEL REY COMMUNITY SERV DIST use?
DEL REY COMMUNITY SERV DIST 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. 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