Is Ocotillo Oasis, Llc Tap Water Safe? Quality Report

Water source: Ground water
Ownership: Private
Counties served: San Diego

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.

health-based violations

118

violations on file

still open

Violation	Type	Status	Period
MCL	Health-based	Archived	2023-04-01 → 2023-06-30
MCL	Health-based	Archived	2023-01-01 → 2023-03-31
MCL	Health-based	Archived	2021-10-01 → 2021-12-31
MCL	Health-based	Archived	2021-07-01 → 2021-09-30
MCL	Health-based	Archived	2021-04-01 → 2021-06-30
MCL	Health-based	Archived	2021-01-01 → 2021-03-31
MCL	Health-based	Resolved	2019-09-03 → 2019-10-31
MCL	Health-based	Resolved	2019-09-03 → 2019-10-31
MCL	Health-based	Resolved	2017-10-01 → 2017-12-31
MCL	Health-based	Resolved	2017-10-01 → 2017-12-31

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.

Contaminant	Level vs EPA limit	Detection rate	Source	Period
Fluoride	5111.5 µg/L 128% of the EPA limit, at the 95th percentile of samples — 4000 µg/L worst single sample: 5180 µg/L	32/33	SYR4	2016–2019
Nitrate	24800 µg/L 248% of the EPA limit, at the 95th percentile of samples — 10000 µg/L worst single sample: 25000 µg/L	22/38	SYR4	2016–2019
Lead	0.0 mg/L 0% of the EPA limit 0.0150 mg/L	3/3	LCR	2026
Combined Uranium	0.5206 µg/L 1.7% of the EPA limit 30 µg/L worst single sample: 0.5409 µg/L	2/3	SYR4	2017
Thallium, Total	71 µg/L 3550% of the EPA limit, at the 95th percentile of samples — 2 µg/L	1/3	SYR4	2016

27 contaminants tested, none detected

1,1,1-Trichloroethane1,1,2-Trichloroethane1,1-Dichloroethylene1,2,4-Trichlorobenzene1,2-Dichloroethane1,2-DichloropropaneAntimony, TotalArsenicBenzeneBeryllium, TotalChlorobenzeneCopperCyanideCarbon TetrachlorideDichloromethaneEthylbenzeneNitriteStyreneTetrachloroethyleneTolueneTrichloroethyleneVinyl ChlorideXylenes, Totalcis-1,2-DichloroethyleneO-DichlorobenzeneP-Dichlorobenzenetrans-1,2-Dichloroethylene

Utility contact

Contact: HEARN, KRISTI
Phone: 760-809-6964
Email: ocotillooasismhp@gmail.com

Frequently asked questions about Ocotillo Oasis, Llc

Is Ocotillo Oasis, Llc tap water safe to drink?

EPA monitoring detected 5 contaminants in Ocotillo Oasis, Llc'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 Ocotillo Oasis, Llc's water?

EPA monitoring detected Fluoride, Nitrate, Lead, Combined Uranium, Thallium, Total. The full list with the level and data source for each is above.

How many people does Ocotillo Oasis, Llc serve?

Ocotillo Oasis, Llc reports serving 96 people in California, per its EPA record.

Has Ocotillo Oasis, Llc had any water quality violations?

The EPA has 118 violations on file for Ocotillo Oasis, Llc, of which 49 are health-based (a contaminant limit or required treatment was breached) and 1 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.