Public water system · CA0105017
ActiveRancho Los Mochos-Bsa Camp
At a glance
Rancho Los Mochos-Bsa Camp (PWSID CA0105017) is an active transient non-community water system in Alameda County, California. It reports serving 38 people through 13 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
38
Service connections
13
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Rancho Los Mochos-Bsa Camp compare with other water systems in Alameda County?
By EPA's size categories, Rancho Los Mochos-Bsa Camp is a very small system (500 people or fewer). Alameda County has 27 active public water systems. Its population served is well below the county average of 83,320 people per system, and accounts for less than 0.1% of the 2,249,634 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 Rancho Los Mochos-Bsa Camp is well 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 Rancho Los Mochos-Bsa Camp?
EPA lists Rancho Los Mochos-Bsa Camp 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. 8 of the 27 active systems in Alameda County (30%) are also privately owned.
Does Rancho Los Mochos-Bsa Camp have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2016. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2016-01-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | 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.
Rancho Los Mochos-Bsa Camp: frequently asked questions
Who runs Rancho Los Mochos-Bsa Camp?
Rancho Los Mochos-Bsa Camp (PWSID CA0105017) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Rancho Los Mochos-Bsa Camp serve?
Rancho Los Mochos-Bsa Camp reports serving 38 people through 13 service connections in Alameda County, California.
Where does Rancho Los Mochos-Bsa Camp 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 Rancho Los Mochos-Bsa Camp 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 January 2016. 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 Rancho Los Mochos-Bsa Camp's 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 January 2016. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Rancho Los Mochos-Bsa Camp's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rancho Los Mochos-Bsa Camp 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 Alameda County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| East Bay MUD | Alameda | 1,442,800 | Community | Surface water |
| Alameda County Water District | Alameda | 344,000 | Community | Surface water |
| City of Hayward | Alameda | 162,954 | Community | Purchased surface water |
| Dublin San Ramon Services District | Alameda | 98,776 | Community | Purchased surface water |
| City of Pleasanton | Alameda | 76,689 | Community | Purchased surface water |
| California Water Service - Livermore | Alameda | 60,414 | Community | Purchased surface water |
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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, “Rancho Los Mochos-Bsa Camp, PWSID CA0105017, California”, https://aquacensus.com/water-systems/california/rancho-los-mochos-bsa-camp-ca0105017 (data as of October 1, 2026).