Public water system · CA3601105
ActiveHi Sahara Oasis
At a glance
Hi Sahara Oasis (PWSID CA3601105) is an active transient non-community water system in San Bernardino County, Arizona. It reports serving 507 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
507
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Hi Sahara Oasis compare with other water systems in San Bernardino County?
By EPA's size categories, Hi Sahara Oasis is a small system (501 to 3,300 people). San Bernardino County has 6 active public water systems, and Hi Sahara Oasis is the 5th-largest of them by population served. Its population served is about 18% below the county average of 618 people per system, and accounts for 14% of the 3,707 people reported by systems filed under the county. Across Arizona, the 1,769 active systems average 4,369 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Hi Sahara Oasis is about 3.5 times that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. Arizona has 601 active transient non-community water systems, 34% of the state's 1,769 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,612 Arizona systems (91%) list groundwater as their primary source.
Who owns and regulates Hi Sahara Oasis?
EPA lists Hi Sahara Oasis as privately owned. The CA state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 6 of the 6 active systems in San Bernardino County (100%) are also privately owned.
Does Hi Sahara Oasis have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2018. The violations listed here began between January 2011 and January 2018. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrite and Nitrate-Nitrite. EPA lists 2 as resolved. Resolved means at least one resolving action is on record: the system returned to compliance, the rule no longer applies, or no further action was needed.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2018-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2011-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitrate-Nitritecode 1038 | No | Resolved |
All 2 violations in EPA's records, newest first.Labels and codes come from EPA's SDWIS reference tables. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found. "Health-based" marks violations of a legal limit or required treatment.
Hi Sahara Oasis: frequently asked questions
Who runs Hi Sahara Oasis?
Hi Sahara Oasis (PWSID CA3601105) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Hi Sahara Oasis serve?
Hi Sahara Oasis reports serving 507 people through 2 service connections in San Bernardino County, Arizona.
Where does Hi Sahara Oasis get its water?
EPA SDWIS lists this system's primary water source as groundwater. Groundwater means the system draws its water from wells or springs fed by underground aquifers.
Does Hi Sahara Oasis have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2018. A monitoring or reporting violation means a required test or report was missed or late; it does not by itself mean a contaminant was found.
Is Hi Sahara Oasis' water safe to drink?
AquaCensus shows EPA compliance records, not current water test results, so it cannot say whether the water is safe at a given moment. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2018. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Hi Sahara Oasis' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hi Sahara Oasis is a transient non-community water system, so it is not required to publish one; like every public water system, it must notify the people it serves about violations under EPA's public notification rules.
Other water systems in San Bernardino County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Emerald Cove Resort | San Bernardino | 1,000 | Transient non-community | Groundwater |
| Big Bend Resort | San Bernardino | 655 | Transient non-community | Surface water |
| Windmill Resort | San Bernardino | 530 | Transient non-community | Surface water |
| Rio Del Colorado | San Bernardino | 515 | Transient non-community | Groundwater |
| Echo Lodge Resort | San Bernardino | 500 | Transient non-community | Groundwater |
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About this data
Source: U.S. EPA Safe Drinking Water Information System (SDWIS) and SDWA violation records, via EPA ECHO, as published October 1, 2026 — AquaCensus refreshes it quarterly. See the methodology for how records are matched, cleaned and scored.
Cite as: AquaCensus, “Hi Sahara Oasis, PWSID CA3601105, Arizona”, https://aquacensus.com/water-systems/arizona/hi-sahara-oasis-ca3601105 (data as of October 1, 2026).