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Tap water quality report

Varian Ranch Mutual Water

EPA monitoring tested this supplier for 54 contaminants and detected 11. A detection doesn't automatically mean the water is unsafe — the level and EPA source for each is below.

54
contaminants tested
11
detected
105
people served
0
health-based violations
California rankingsLead in CaliforniaPFAS in California
Water source
Ground water
Ownership
Private
Counties served
San Luis Obispo

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.

0
health-based violations
3
violations on file
0
still open
ViolationTypeStatusPeriod
MR Monitoring Resolved 2005-02-01 → 2005-02-28
MR Monitoring Resolved 2005-02-01 → 2005-02-28
MR Monitoring Resolved 1993-07-01

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 single worst sample on record — over 100% is worth reading, but is not by itself a violation. Formal violations are listed separately.
ContaminantLevel vs EPA limitDetection rateSourcePeriod
Nitrate
1900 µg/L 19%
of the EPA limit 10000 µg/L
 32/42 SYR4 2012–2019
Arsenic
6.3 µg/L 63%
of the EPA limit 10 µg/L
 24/29 SYR4 2012–2019
Barium
160 µg/L 8%
of the EPA limit 2000 µg/L
 5/5 SYR4 2013–2019
Fluoride
710 µg/L 18%
of the EPA limit 4000 µg/L
 5/5 SYR4 2013–2019
Lead
0.0085 mg/L 57%
of the EPA limit 0.0150 mg/L
 5/5 LCR 2024
Selenium
16 µg/L 32%
of the EPA limit 50 µg/L
 5/5 SYR4 2013–2019
Combined Uranium
14.751 µg/L 49%
of the EPA limit 30 µg/L
 4/4 SYR4 2014–2018
Bromoform
4.2 µg/L
No EPA limit set
 3/3 SYR4 2013–2019
TTHM
6.2 µg/L 7.8%
of the EPA limit 80 µg/L
 3/3 SYR4 2013–2019
Dibromoacetic Acid
1.5 µg/L
No EPA limit set
 1/2 SYR4 2013–2019
Dibromochloromethane
2 µg/L
No EPA limit set
 1/3 SYR4 2013–2019
43 contaminants tested, none detected
1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalAsbestosAtrazineBenzeneBeryllium, TotalBromodichloromethaneChlorobenzeneCopperCyanideCadmiumCarbon TetrachlorideChloroformChromiumDichloromethaneDichloroacetic AcidEthylbenzeneLassoLeadMercuryMonobromoacetic AcidMonochloroacetic AcidNitrate-NitriteNitriteSimazineStyreneTetrachloroethyleneThallium, TotalTolueneTotal Haloacetic Acids (HAA5)Trichloroacetic AcidTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact
CURB, ROD
Phone
805-440-3831
Email
rncurb@aol.com

Frequently asked questions about Varian Ranch Mutual Water

Is Varian Ranch Mutual Water tap water safe to drink?

EPA monitoring detected 11 contaminants in Varian Ranch Mutual Water'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 Varian Ranch Mutual Water's water?

EPA monitoring detected Nitrate, Arsenic, Barium, Fluoride, Lead, and others. The full list with the level and data source for each is above.

How many people does Varian Ranch Mutual Water serve?

Varian Ranch Mutual Water reports serving 105 people in California, per its EPA record.

Has Varian Ranch Mutual Water had any water quality violations?

The EPA has 3 violations on file for Varian Ranch Mutual Water, of which 0 are health-based (a contaminant limit or required treatment was breached) and 0 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.