Public water system · CA5800845
ActiveMjusd Dobbins School
At a glance
Mjusd Dobbins School (PWSID CA5800845) is an active non-transient non-community water system in Yuba County, California. It reports serving 85 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
85
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mjusd Dobbins School compare with other water systems in Yuba County?
By EPA's size categories, Mjusd Dobbins School is a very small system (500 people or fewer). Yuba County has 62 active public water systems. Its population served is well below the county average of 1,823 people per system, and accounts for less than 0.1% of the 113,008 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 Mjusd Dobbins School 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 Mjusd Dobbins School?
EPA lists Mjusd Dobbins School 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. 53 of the 62 active systems in Yuba County (85%) are also privately owned.
Does Mjusd Dobbins School have drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2025. The violations listed here began between January 2020 and July 2025. By type: 4 monitoring and reporting, 1 reporting and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 3 as resolved, 1 as unaddressed, 1 as archived and 1 as addressed. 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. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. Addressed means the violation is not resolved or archived and is covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 2025-02-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2023-07-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2021-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | No | Resolved |
| 2020-01-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
All 6 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.
Mjusd Dobbins School: frequently asked questions
Who runs Mjusd Dobbins School?
Mjusd Dobbins School (PWSID CA5800845) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Mjusd Dobbins School serve?
Mjusd Dobbins School reports serving 85 people through 3 service connections in Yuba County, California.
Where does Mjusd Dobbins School 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 Mjusd Dobbins School have any drinking water violations?
EPA's records list 6 violations for this system; none is health-based, and the most recent began in July 2025. 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 Mjusd Dobbins School'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 6 violations for this system; none is health-based, and the most recent began in July 2025. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Mjusd Dobbins School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mjusd Dobbins School 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 Yuba County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Linda County Water District | Yuba | 21,654 | Community | Groundwater |
| Yuba County Motorplex | Yuba | 18,000 | Transient non-community | Groundwater |
| Olivehurst Public U.D. | Yuba | 16,595 | Community | Groundwater |
| Cal-Water Service Co.-Marysville | Yuba | 12,419 | Community | Groundwater |
| Plumas Lake | Yuba | 10,464 | Community | Groundwater |
| Beale Air Force Base | Yuba | 6,785 | 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, “Mjusd Dobbins School, PWSID CA5800845, California”, https://aquacensus.com/water-systems/california/mjusd-dobbins-school-ca5800845 (data as of October 1, 2026).