Public water system · CA3901373
ActiveEusd-Gateway Charter
At a glance
Eusd-Gateway Charter (PWSID CA3901373) is an active non-transient non-community water system in San Joaquin County, California. It reports serving 25 people through 7 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2010.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
7
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Eusd-Gateway Charter compare with other water systems in San Joaquin County?
By EPA's size categories, Eusd-Gateway Charter is a very small system (500 people or fewer). San Joaquin County has 302 active public water systems. Its population served is well below the county average of 2,571 people per system, and accounts for less than 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 non-transient non-community water system reports serving 430 people, so Eusd-Gateway Charter is well below that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Eusd-Gateway Charter?
EPA lists Eusd-Gateway Charter as owned by a local 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. 69 of the 302 active systems in San Joaquin County (23%) are also owned by a local government.
Does Eusd-Gateway Charter have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 2010. The violations listed here began between December 2008 and December 2010. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). 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 |
|---|---|---|---|---|
| 2010-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 2008-12-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Eusd-Gateway Charter: frequently asked questions
Who runs Eusd-Gateway Charter?
Eusd-Gateway Charter (PWSID CA3901373) is a non-transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Eusd-Gateway Charter serve?
Eusd-Gateway Charter reports serving 25 people through 7 service connections in San Joaquin County, California.
Where does Eusd-Gateway Charter 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 Eusd-Gateway Charter have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in December 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 Eusd-Gateway Charter'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 December 2010. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Eusd-Gateway Charter's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Eusd-Gateway Charter is a non-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, “Eusd-Gateway Charter, PWSID CA3901373, California”, https://aquacensus.com/water-systems/california/eusd-gateway-charter-ca3901373 (data as of October 1, 2026).