Public water system · CA3610131
ActiveCdfa-Mountain Pass Jpoe Ais
At a glance
Cdfa-Mountain Pass Jpoe Ais (PWSID CA3610131) is an active transient non-community water system in San Bernardino County, California. It reports serving 123 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2019.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
123
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Cdfa-Mountain Pass Jpoe Ais compare with other water systems in San Bernardino County?
By EPA's size categories, Cdfa-Mountain Pass Jpoe Ais is a very small system (500 people or fewer). San Bernardino County has 306 active public water systems. Its population served is well below the county average of 9,227 people per system, and accounts for less than 0.1% of the 2,823,318 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Cdfa-Mountain Pass Jpoe Ais is about 15% below 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. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 6,179 California systems (83%) list groundwater as their primary source.
Who owns and regulates Cdfa-Mountain Pass Jpoe Ais?
EPA lists Cdfa-Mountain Pass Jpoe Ais as owned by a state government. 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. 10 of the 306 active systems in San Bernardino County (3.3%) are also owned by a state government.
Does Cdfa-Mountain Pass Jpoe Ais have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2019. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 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 |
|---|---|---|---|---|
| 2019-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
The one violation in EPA's records.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.
Cdfa-Mountain Pass Jpoe Ais: frequently asked questions
Who runs Cdfa-Mountain Pass Jpoe Ais?
Cdfa-Mountain Pass Jpoe Ais (PWSID CA3610131) is a transient non-community water system owned by a state government. It is regulated by the CA state drinking water program.
How many people does Cdfa-Mountain Pass Jpoe Ais serve?
Cdfa-Mountain Pass Jpoe Ais reports serving 123 people through 1 service connection in San Bernardino County, California.
Where does Cdfa-Mountain Pass Jpoe Ais 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 Cdfa-Mountain Pass Jpoe Ais have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in July 2019. 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 Cdfa-Mountain Pass Jpoe Ais' 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 one violation for this system; it is not health-based, and the most recent began in July 2019. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Cdfa-Mountain Pass Jpoe Ais' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Cdfa-Mountain Pass Jpoe Ais 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 |
|---|---|---|---|---|
| San Gabriel Valley Wc - Fontana | San Bernardino | 237,700 | Community | Surface water |
| San Bernardino City | San Bernardino | 214,665 | Community | Groundwater |
| Cucamonga Valley Water District | San Bernardino | 211,069 | Community | Surface water |
| Ontario Municipal Utilities Company | San Bernardino | 185,010 | Community | Purchased surface water |
| Victorville Water District | San Bernardino | 135,983 | Community | Purchased surface water |
| San Bernardino Valley Wd | San Bernardino | 109,608 | 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, “Cdfa-Mountain Pass Jpoe Ais, PWSID CA3610131, California”, https://aquacensus.com/water-systems/california/cdfa-mountain-pass-jpoe-ais-ca3610131 (data as of October 1, 2026).