PlainWater

CLAY JOINT ELEMENTARY SCHOOL

PWS ID: CA1000315 · KINGSBURG, California 93631

CLAY JOINT ELEMENTARY SCHOOL serves 271 people in KINGSBURG, California using Groundwater water sources. It has 10 recorded EPA violations, including 3 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: CLAY JOINT ELEMENTARY SCHOOL

CLAY JOINT ELEMENTARY SCHOOL is a local-owned non-transient non-community water system that delivers drinking water to 271 residents in KINGSBURG, California (Fresno County) through 5 service connections. Its water is drawn from groundwater sources. EPA's Safe Drinking Water Information System records 10 total violations for this system , of which 3 (30%) 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 Coliform (TCR), recorded in 4 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. CLAY JOINT ELEMENTARY SCHOOL's 10 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
271
Total Violations
10
Health-Based Violations
3
Water Source
Groundwater

System Details

System Type
Non-Transient Non-Community
Owner Type
Local
Connections
5
County
Fresno
School/Daycare
Yes
MCL Violations
2
Monitoring Violations
4
Treatment Tech Violations
1

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 4 2007
Coliform (TCR) MCL 2 1999
LEAD AND COPPER RULE REVISIONS RPT 1 2024
LEAD AND COPPER RULE REVISIONS TT 1 2024

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 CLAY JOINT ELEMENTARY SCHOOL.

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 CA1000315 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 CLAY JOINT ELEMENTARY SCHOOL 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 / CA1000315 / 5200
2024 LEAD AND COPPER RULE REVISIONS TT 1 SDWIS / CA1000315 / 5200
2007 Coliform (TCR) MR 4 SDWIS / CA1000315 / 3100
1999 Coliform (TCR) MCL 2 SDWIS / CA1000315 / 3100

How CLAY JOINT ELEMENTARY SCHOOL Compares

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

Metric CLAY JOINT ELEMENTARY SCHOOL California avg Federal benchmark
Total violations 10 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 3 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 271 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 CLAY JOINT ELEMENTARY SCHOOL water safe to drink?
CLAY JOINT ELEMENTARY SCHOOL (PWS ID: CA1000315) has 10 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 271 people using Groundwater sources.
How many people does CLAY JOINT ELEMENTARY SCHOOL serve?
CLAY JOINT ELEMENTARY SCHOOL serves 271 people in KINGSBURG, California. It is a Local-owned system using Groundwater water sources with 5 service connections.
What type of violations does CLAY JOINT ELEMENTARY SCHOOL have?
CLAY JOINT ELEMENTARY SCHOOL has 10 total violations: 3 health-based violations (MCL exceedances or treatment failures), 4 monitoring/reporting violations, and 1 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in CLAY JOINT ELEMENTARY SCHOOL water?
No PFAS testing data is available for CLAY JOINT ELEMENTARY SCHOOL under the EPA's UCMR5 monitoring program.
What water source does CLAY JOINT ELEMENTARY SCHOOL use?
CLAY JOINT ELEMENTARY SCHOOL uses Groundwater as its primary water source. It is classified as a Non-Transient Non-Community Water System, serving the same people for at least 6 months per year.
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