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KYBURZ MUTUAL WATER COMPANY

PWS ID: CA0900300 · KYBURZ, California 95720

KYBURZ MUTUAL WATER COMPANY serves 150 people in KYBURZ, California using Surface Water water sources. It has 159 recorded EPA violations, including 16 health-based violations. No PFAS contamination was detected in UCMR5 testing.

Water Quality Snapshot: KYBURZ MUTUAL WATER COMPANY

KYBURZ MUTUAL WATER COMPANY is a private-owned community water system that delivers drinking water to 150 residents in KYBURZ, California (El Dorado County) through 111 service connections. Its water is drawn from surface water sources. EPA's Safe Drinking Water Information System records 159 total violations for this system , of which 16 (10%) are health-based — meaning a contaminant exceeded an EPA Maximum Contaminant Level or a required treatment technique failed. A further 75 monitoring and reporting violations are on file. The most recent violation on record dates to 2023.

The most frequently cited contaminant at this system is Interim Enhanced Surface Water Treatment Rule, recorded in 16 violations (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. KYBURZ MUTUAL WATER COMPANY's 159 violations sit above 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
150
Total Violations
159
Health-Based Violations
16
Water Source
Surface Water

System Details

System Type
Community
Owner Type
Private
Connections
111
County
El Dorado
School/Daycare
No
MCL Violations
0
Monitoring Violations
75
Treatment Tech Violations
16

Violation History

Contaminant violations recorded by EPA.

Contaminant Category Count Latest
Interim Enhanced Surface Water Treatment Rule TT 16 2023
Lead and Copper Rule MR 6 2020
Revised Total Coliform Rule MON 4 2022
Methoxychlor MR 2 2018
Dalapon MR 2 2018
Endothall MR 2 2018
OXAMYL MR 2 2018
Simazine MR 2 2018
Di(2-ethylhexyl) phthalate MR 2 2018
Picloram MR 2 2018
Hexachlorocyclopentadiene MR 2 2018
Carbofuran MR 2 2018
LASSO MR 2 2018
2,3,7,8-TCDD MR 2 2018
Heptachlor epoxide MR 2 2018
2,4,5-TP MR 2 2018
Benzo(a)pyrene MR 2 2018
Total Polychlorinated Biphenyls (PCB) MR 2 2018
ETHYLENE DIBROMIDE MR 2 2018
Gross Alpha, Excl. Radon and U MR 2 1981
Heptachlor MR 2 2018
Toxaphene MR 2 2018
Diquat MR 2 2018
Di(2-ethylhexyl) adipate MR 2 2018
Atrazine MR 2 2018
2,4-D MR 2 2018
HEXACHLOROBENZENE MR 2 2018
1,2-DIBROMO-3-CHLOROPROPANE MR 2 2018
Chlordane MR 2 2018
Glyphosate MR 2 2018

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 KYBURZ MUTUAL WATER COMPANY.

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 CA0900300 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 KYBURZ MUTUAL WATER COMPANY 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
2023 Interim Enhanced Surface Water Treatment Rule TT 16 SDWIS / CA0900300 / 0300
2022 Revised Total Coliform Rule MON 4 SDWIS / CA0900300 / 8000
2020 Lead and Copper Rule MR 6 SDWIS / CA0900300 / 5000
2020 Surface Water Treatment Rule MR 2 SDWIS / CA0900300 / 0200
2018 Methoxychlor MR 2 SDWIS / CA0900300 / 2015
2018 Dalapon MR 2 SDWIS / CA0900300 / 2031
2018 Endothall MR 2 SDWIS / CA0900300 / 2033
2018 OXAMYL MR 2 SDWIS / CA0900300 / 2036
2018 Simazine MR 2 SDWIS / CA0900300 / 2037
2018 Di(2-ethylhexyl) phthalate MR 2 SDWIS / CA0900300 / 2039
2018 Picloram MR 2 SDWIS / CA0900300 / 2040
2018 Hexachlorocyclopentadiene MR 2 SDWIS / CA0900300 / 2042
2018 Carbofuran MR 2 SDWIS / CA0900300 / 2046
2018 LASSO MR 2 SDWIS / CA0900300 / 2051
2018 2,3,7,8-TCDD MR 2 SDWIS / CA0900300 / 2063

How KYBURZ MUTUAL WATER COMPANY Compares

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

Metric KYBURZ MUTUAL WATER COMPANY California avg Federal benchmark
Total violations 159 21.1 SDWA compliance — any non-zero count is a recorded breach
Health-based violations 16 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 150 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 KYBURZ MUTUAL WATER COMPANY water safe to drink? ▼
KYBURZ MUTUAL WATER COMPANY (PWS ID: CA0900300) has 159 recorded violations in the EPA SDWIS database. No PFAS contamination was detected in UCMR5 testing. This system serves 150 people using Surface Water sources.
How many people does KYBURZ MUTUAL WATER COMPANY serve? ▼
KYBURZ MUTUAL WATER COMPANY serves 150 people in KYBURZ, California. It is a Private-owned system using Surface Water water sources with 111 service connections.
What type of violations does KYBURZ MUTUAL WATER COMPANY have? ▼
KYBURZ MUTUAL WATER COMPANY has 159 total violations: 16 health-based violations (MCL exceedances or treatment failures), 75 monitoring/reporting violations, and 16 treatment technique violations. Health-based violations indicate contaminant levels exceeded EPA safe limits.
Has PFAS been detected in KYBURZ MUTUAL WATER COMPANY water? ▼
No PFAS testing data is available for KYBURZ MUTUAL WATER COMPANY under the EPA's UCMR5 monitoring program.
What water source does KYBURZ MUTUAL WATER COMPANY use? ▼
KYBURZ MUTUAL WATER COMPANY 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.

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Data Sources: EPA Safe Drinking Water Information System (SDWIS), Q4 2025. This data is provided for informational purposes only.

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