Public water system · CA3900840
ActiveSmk Chevron
At a glance
Smk Chevron (PWSID CA3900840) is an active transient non-community water system in San Joaquin County, California. It reports serving 1,000 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in September 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,000
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Smk Chevron compare with other water systems in San Joaquin County?
By EPA's size categories, Smk Chevron is a small system (501 to 3,300 people). San Joaquin County has 302 active public water systems. Its population served is about 61% below the county average of 2,571 people per system, and accounts for 0.1% of the 776,334 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 Smk Chevron is about 6.9 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. 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 Smk Chevron?
EPA lists Smk Chevron 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. 225 of the 302 active systems in San Joaquin County (75%) are also privately owned.
Does Smk Chevron have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2010. By type: 1 contaminant level above the legal limit. 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 |
|---|---|---|---|---|
| 2010-09-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | Total coliform bacteria (TCR)code 3100 | Yes | 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.
Smk Chevron: frequently asked questions
Who runs Smk Chevron?
Smk Chevron (PWSID CA3900840) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Smk Chevron serve?
Smk Chevron reports serving 1,000 people through 1 service connection in San Joaquin County, California.
Where does Smk Chevron 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 Smk Chevron have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2010. 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 Smk Chevron'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 health-based, and the most recent began in September 2010. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Smk Chevron's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Smk Chevron 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 Joaquin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Stockton | San Joaquin | 191,302 | Community | Surface water |
| California Water Service - Stockton | San Joaquin | 176,266 | Community | Purchased surface water |
| Tracy, City of | San Joaquin | 96,609 | Community | Surface water |
| Manteca, City of | San Joaquin | 84,928 | Community | Purchased surface water |
| Lodi, City of | San Joaquin | 68,272 | Community | Surface water |
| City of Lathrop | San Joaquin | 35,080 | 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, “Smk Chevron, PWSID CA3900840, California”, https://aquacensus.com/water-systems/california/smk-chevron-ca3900840 (data as of October 1, 2026).