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Community Water System · PWS CA1503341

Tejon Castac WD - I5 & Laval RD

Lebec, California 93243 - drinking water served from surface water sources to 38,125 people, tracked in EPA SDWIS and UCMR5.

38,125
People served
26
EPA violations
8
Health-based
No PFAS
UCMR5 result

The verdict

EPA records 26 drinking-water violations at Tejon Castac WD - I5 & Laval RD, 31% of them health-based - above the California per-system average.

26
Total EPA violations on record
31%
Health-based (MCL / treatment failure)
38,125
People served by this system
0
PFAS compounds detected (UCMR5)

Water Quality Snapshot: Tejon Castac WD - I5 & Laval RD

Tejon Castac WD - I5 & Laval RD is a local-owned community water system that delivers drinking water to 38,125 residents in Lebec, California (Kern County) through 132 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 26 total violations for this system , of which 8 (31%) are health-based, meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 18 monitoring and reporting violations are on file. The most recent violation on record dates to 2021.

The most frequently cited contaminant at this system is Coliform (TCR), recorded in 12 violations (MR). This system was sampled under EPA's UCMR5 PFAS monitoring program and no PFAS compounds were detected above the minimum reporting level.

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. Statewide, 447 of 694 UCMR5-tested systems have reported PFAS detections (64.4%).

Tejon Castac WD - I5 & Laval RD's 26 violations sit above the California average.

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
38,125
Total Violations
26
Health-Based Violations
8
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Local
Connections
132
County
Kern
School/Daycare
No
MCL Violations
8
Monitoring Violations
18
Treatment Tech Violations
0

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Coliform (TCR) MR 12 2005
TTHM MCL 6 2005
Nitrate MR 4 2021
Coliform (TCR) MCL 2 1999
Total Haloacetic Acids (HAA5) MR 2 2021

PFAS Testing Results (UCMR5)

Results from EPA's Fifth Unregulated Contaminant Monitoring Rule. 0 of 58 samples detected PFAS.

Contaminant Date Result MRL Status
PFBA 2/24/2025 <5.00 ppt 5.00 ppt Not Detected
HFPO-DA 2/24/2025 <5.00 ppt 5.00 ppt Not Detected
6:2 FTS 2/24/2025 <5.00 ppt 5.00 ppt Not Detected
9Cl-PF3ONS 2/24/2025 <2.00 ppt 2.00 ppt Not Detected
ADONA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
4:2 FTS 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 2/24/2025 <5.00 ppt 5.00 ppt Not Detected
11Cl-PF3OUdS 2/24/2025 <5.00 ppt 5.00 ppt Not Detected
PFPeA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFHpA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFEESA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
NFDHA 2/24/2025 <20.00 ppt 20.00 ppt Not Detected
PFMPA 2/24/2025 <4.00 ppt 4.00 ppt Not Detected
PFUnA 2/24/2025 <2.00 ppt 2.00 ppt Not Detected
PFHxA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFDoA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFDA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFOA 2/24/2025 <4.00 ppt 4.00 ppt Not Detected
PFOS 2/24/2025 <4.00 ppt 4.00 ppt Not Detected
PFHxS 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFPeS 2/24/2025 <4.00 ppt 4.00 ppt Not Detected
PFBS 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 2/24/2025 <6.00 ppt 6.00 ppt Not Detected
NEtFOSAA 2/24/2025 <5.00 ppt 5.00 ppt Not Detected
PFTrDA 2/24/2025 <7.00 ppt 7.00 ppt Not Detected
PFTA 2/24/2025 <8.00 ppt 8.00 ppt Not Detected
PFNA 2/24/2025 <4.00 ppt 4.00 ppt Not Detected
PFHpS 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFMBA 2/24/2025 <3.00 ppt 3.00 ppt Not Detected
PFTA 11/18/2024 <8.00 ppt 8.00 ppt Not Detected
6:2 FTS 11/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxS 11/18/2024 <3.00 ppt 3.00 ppt Not Detected
NMeFOSAA 11/18/2024 <6.00 ppt 6.00 ppt Not Detected
4:2 FTS 11/18/2024 <3.00 ppt 3.00 ppt Not Detected
8:2 FTS 11/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFMPA 11/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFMBA 11/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFEESA 11/18/2024 <3.00 ppt 3.00 ppt Not Detected
NEtFOSAA 11/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFHpS 11/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFTrDA 11/18/2024 <7.00 ppt 7.00 ppt Not Detected
9Cl-PF3ONS 11/18/2024 <2.00 ppt 2.00 ppt Not Detected
PFBA 11/18/2024 <5.00 ppt 5.00 ppt Not Detected
NFDHA 11/18/2024 <20.00 ppt 20.00 ppt Not Detected
PFNA 11/18/2024 <4.00 ppt 4.00 ppt Not Detected
ADONA 11/18/2024 <3.00 ppt 3.00 ppt Not Detected
11Cl-PF3OUdS 11/18/2024 <5.00 ppt 5.00 ppt Not Detected
PFHxA 11/18/2024 <3.00 ppt 3.00 ppt Not Detected
PFPeS 11/18/2024 <4.00 ppt 4.00 ppt Not Detected
PFPeA 11/18/2024 <3.00 ppt 3.00 ppt Not Detected

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 Tejon Castac WD - I5 & Laval RD.

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 CA1503341 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 Tejon Castac WD - I5 & Laval RD 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
2021 Nitrate MR 4 SDWIS / CA1503341 / 1040
2021 Total Haloacetic Acids (HAA5) MR 2 SDWIS / CA1503341 / 2456
2005 Coliform (TCR) MR 12 SDWIS / CA1503341 / 3100
2005 TTHM MCL 6 SDWIS / CA1503341 / 2950
1999 Coliform (TCR) MCL 2 SDWIS / CA1503341 / 3100

How Tejon Castac WD - I5 & Laval RD Compares

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

Metric Tejon Castac WD - I5 & Laval RD California avg Federal benchmark
Total violations 26 21.1 SDWA compliance, any non-zero count is a recorded breach
Health-based violations 8 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 38,125 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 (EPA proposed extending to 2031, not yet final as of May 2026)
Nitrate (as N) 10 mg/L Acute health risk for infants

Frequently Asked Questions

Is Tejon Castac WD - I5 & Laval RD water safe to drink?
Tejon Castac WD - I5 & Laval RD (PWS ID: CA1503341) has 26 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 38,125 people using Surface Water sources.
How many people does Tejon Castac WD - I5 & Laval RD serve?
Tejon Castac WD - I5 & Laval RD serves 38,125 people in Lebec, California. It is a Local-owned system using Surface Water water sources with 132 service connections.
What type of violations does Tejon Castac WD - I5 & Laval RD have?
Tejon Castac WD - I5 & Laval RD has 26 total violations: 8 health-based violations (MCL exceedances or treatment failures), 18 monitoring/reporting violations, and 0 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in Tejon Castac WD - I5 & Laval RD water?
No. Tejon Castac WD - I5 & Laval RD was tested for PFAS under the EPA's UCMR5 monitoring program and no PFAS contamination was detected.
What water source does Tejon Castac WD - I5 & Laval RD use?
Tejon Castac WD - I5 & Laval RD 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.
Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. PFAS data from EPA UCMR5 monitoring program (2023-2025). This data is provided for informational purposes only.
Data sourced from EPA SDWIS and UCMR5 PFAS monitoring data. See our methodology for details. Retrieved and formatted by PlainWater Editorial

Every figure on PlainWater is rendered directly from EPA SDWIS drinking-water data, no number is typed in by an editor. This system's figures are rendered directly from EPA SDWIS data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.