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Tap water quality report

Lake Canyon Mutual Water Company

EPA monitoring tested this supplier for 80 contaminants and detected 12. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

80
contaminants tested
12
detected
156
people served
22
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Surface water
Ownership
Private
Counties served
Santa Clara

Compliance record

Formal violations the EPA has on file for this supplier. A health-based violation means a contaminant limit or a required treatment was breached; the rest are monitoring or reporting failures — still violations, but not a measured health risk.

22
health-based violations
107
violations on file
2
still open
ViolationTypeStatusPeriod
TT Health-based Unaddressed 2024-10-17
TT Health-based Resolved 2006-12-01 → 2006-12-31
MCL Health-based Resolved 2001-06-01 → 2001-06-30
MCL Health-based Resolved 2001-06-01 → 2001-06-30
MCL Health-based Resolved 2001-06-01 → 2001-06-30
MCL Health-based Resolved 2001-06-01 → 2001-06-30
MCL Health-based Resolved 2001-06-01 → 2001-06-30
MCL Health-based Resolved 2001-06-01 → 2001-06-30
TT Health-based Resolved 1993-07-01 → 1993-07-31
TT Health-based Resolved 1993-07-01 → 1993-07-31

Other contaminants detected

Each bar shows the measured level as a share of the EPA limit: green is well under, amber is close to it, red is over. For lead and copper the limit applies to exactly the 90th-percentile figure shown, so red there means a real exceedance. For everything else the limit applies to a running annual average while the figure is the 95th percentile of this system's samples — over 100% is worth reading, but is not by itself a violation. Where a single sample came in higher than that percentile, it is noted under the bar. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Lead
0.0060 mg/L 40%
of the EPA limit 0.0150 mg/L
 20/20 LCR 2025
Fluoride
165.5 µg/L 4.1%
of the EPA limit 4000 µg/L
worst single sample: 170 µg/L
10/10 SYR4 2012–2019
Bromodichloromethane
12.5 µg/L
No EPA limit set
worst single sample: 13 µg/L
6/6 SYR4 2014–2019
Chloroform
21.25 µg/L
No EPA limit set
worst single sample: 25 µg/L
6/6 SYR4 2014–2019
Dibromoacetic Acid
3.3 µg/L
No EPA limit set
 6/6 SYR4 2014–2019
Dibromochloromethane
10.575 µg/L
No EPA limit set
worst single sample: 11 µg/L
6/6 SYR4 2014–2019
Dichloroacetic Acid
8.775 µg/L
No EPA limit set
worst single sample: 9.9 µg/L
6/6 SYR4 2014–2019
TTHM
40.25 µg/L 50%
of the EPA limit 80 µg/L
worst single sample: 43 µg/L
6/6 SYR4 2014–2019
Total Haloacetic Acids (HAA5)
16.25 µg/L 27%
of the EPA limit 60 µg/L
worst single sample: 18 µg/L
6/6 SYR4 2014–2019
Bromoform
3.105 µg/L
No EPA limit set
worst single sample: 3.3 µg/L
4/6 SYR4 2014–2019
Nitrate
497.2 µg/L 5%
of the EPA limit 10000 µg/L
 4/34 SYR4 2012–2019
Trichloroacetic Acid
5.99 µg/L
No EPA limit set
worst single sample: 6.4 µg/L
3/6 SYR4 2014–2019
68 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-DIBROMO-3-CHLOROPROPANE1,2-Dichloroethane1,2-Dichloropropane2,3,7,8-TCDD2,4,5-TP2,4-DAntimony, TotalArsenicAsbestosAtrazineBhc-GammaBariumBenzeneBenzo(A)PyreneBeryllium, TotalChlorobenzeneCopperCyanideCadmiumCarbofuranCarbon TetrachlorideChlordaneChromiumDichloromethaneDalaponDi(2-ethylhexyl) AdipateDi(2-ethylhexyl) PhthalateDinosebDiquatEthylene DibromideEndothallEndrinEthylbenzeneGlyphosateHexachlorobenzeneHeptachlorHeptachlor EpoxideHexachlorocyclopentadieneLassoLeadMercuryMethoxychlorMonobromoacetic AcidMonochloroacetic AcidNitrate-NitriteNitriteOxamylPentachlorophenolPicloramSeleniumSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Polychlorinated Biphenyls (PCB)ToxapheneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
EVERTS, WILFRED BUD'
Phone
408-656-6181
Email
lakecanyonmwc@gmail.com

Frequently asked questions about Lake Canyon Mutual Water Company

Is Lake Canyon Mutual Water Company tap water safe to drink?

EPA monitoring detected 12 contaminants in Lake Canyon Mutual Water Company's water. A detection isn't the same as a violation — most levels are within federal limits. See each level and source above, and the utility's annual Consumer Confidence Report for its official compliance status.

What contaminants were detected in Lake Canyon Mutual Water Company's water?

EPA monitoring detected Lead, Fluoride, Bromodichloromethane, Chloroform, Dibromoacetic Acid, and others. The full list with the level and data source for each is above.

How many people does Lake Canyon Mutual Water Company serve?

Lake Canyon Mutual Water Company reports serving 156 people in California, per its EPA record.

Has Lake Canyon Mutual Water Company had any water quality violations?

The EPA has 107 violations on file for Lake Canyon Mutual Water Company, of which 22 are health-based (a contaminant limit or required treatment was breached) and 2 remain open. The rest are monitoring or reporting failures.

Where does this data come from?

Every figure is official EPA drinking-water monitoring — the Lead & Copper Rule, the UCMR-5 nationwide testing program, and the EPA Six-Year Review — not our own testing. Each number is labelled with its source and period.