Public water system · CA1400182
ActiveFour Jeffrey Campground
At a glance
Four Jeffrey Campground (PWSID CA1400182) is an active transient non-community water system in Inyo County, California. It reports serving 318 people through 21 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
318
Service connections
21
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Four Jeffrey Campground compare with other water systems in Inyo County?
By EPA's size categories, Four Jeffrey Campground is a very small system (500 people or fewer). Inyo County has 112 active public water systems. Its population served is about 28% below the county average of 442 people per system, and accounts for 0.6% of the 49,451 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 Four Jeffrey Campground is about 121% above 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 Four Jeffrey Campground?
EPA lists Four Jeffrey Campground as owned by the federal 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. 20 of the 112 active systems in Inyo County (18%) are also owned by the federal government.
Does Four Jeffrey Campground have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in June 2016. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform 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 |
|---|---|---|---|---|
| 2016-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | 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.
Four Jeffrey Campground: frequently asked questions
Who runs Four Jeffrey Campground?
Four Jeffrey Campground (PWSID CA1400182) is a transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.
How many people does Four Jeffrey Campground serve?
Four Jeffrey Campground reports serving 318 people through 21 service connections in Inyo County, California.
Where does Four Jeffrey Campground 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 Four Jeffrey Campground 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 June 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 Four Jeffrey Campground'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 June 2016. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Four Jeffrey Campground's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Four Jeffrey Campground 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 Inyo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Bishop Creek Chevron | Inyo | 16,793 | Transient non-community | Groundwater |
| Bishop, City of | Inyo | 3,819 | Community | Groundwater |
| Petite Pantry | Inyo | 3,012 | Transient non-community | Groundwater |
| Lee'S Frontier | Inyo | 2,000 | Transient non-community | Groundwater |
| Inyo County PWD - Lone Pine | Inyo | 1,835 | Community | Purchased groundwater |
| Pearsonville Water System | Inyo | 1,515 | 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, “Four Jeffrey Campground, PWSID CA1400182, California”, https://aquacensus.com/water-systems/california/four-jeffrey-campground-ca1400182 (data as of October 1, 2026).