Public water system · CA3710319
ActiveOcotillo Wells - Holmes Camp
At a glance
Ocotillo Wells - Holmes Camp (PWSID CA3710319) is an active transient non-community water system in San Diego County, California. It reports serving 25 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Ocotillo Wells - Holmes Camp compare with other water systems in San Diego County?
By EPA's size categories, Ocotillo Wells - Holmes Camp is a very small system (500 people or fewer). San Diego County has 191 active public water systems. Its population served is well below the county average of 19,427 people per system, and accounts for less than 0.1% of the 3,710,459 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 Ocotillo Wells - Holmes 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 Ocotillo Wells - Holmes Camp?
EPA lists Ocotillo Wells - Holmes Camp 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. 16 of the 191 active systems in San Diego County (8.4%) are also owned by a state government.
Does Ocotillo Wells - Holmes Camp have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2016. The violations listed here began between January 2014 and January 2016. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrite and Nitrate. 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 |
|---|---|---|---|---|
| 2016-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitritecode 1041 | No | Resolved |
| 2014-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | 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.
Ocotillo Wells - Holmes Camp: frequently asked questions
Who runs Ocotillo Wells - Holmes Camp?
Ocotillo Wells - Holmes Camp (PWSID CA3710319) 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 Ocotillo Wells - Holmes Camp serve?
Ocotillo Wells - Holmes Camp reports serving 25 people through 2 service connections in San Diego County, California.
Where does Ocotillo Wells - Holmes 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 Ocotillo Wells - Holmes Camp 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 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 Ocotillo Wells - Holmes 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 2 violations for this system; none is 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 Ocotillo Wells - Holmes Camp's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ocotillo Wells - Holmes 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 San Diego County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Diego, City of | San Diego | 1,385,379 | Community | Surface water |
| Helix Water District | San Diego | 277,668 | Community | Surface water |
| Otay Water District | San Diego | 238,008 | Community | Purchased surface water |
| Sweetwater Authority | San Diego | 191,282 | Community | Surface water |
| Oceanside, City of | San Diego | 171,483 | Community | Purchased surface water |
| Escondido, City of | San Diego | 137,044 | Community | 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, “Ocotillo Wells - Holmes Camp, PWSID CA3710319, California”, https://aquacensus.com/water-systems/california/ocotillo-wells-holmes-camp-ca3710319 (data as of October 1, 2026).