Public water system · CA3200505
ActiveJohnsville Public Utility Dist
At a glance
Johnsville Public Utility Dist (PWSID CA3200505) is an active transient non-community water system in Plumas County, California. It reports serving 30 people through 48 service connections. Its primary water source is surface water, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
48
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Johnsville Public Utility Dist compare with other water systems in Plumas County?
By EPA's size categories, Johnsville Public Utility Dist is a very small system (500 people or fewer). Plumas County has 108 active public water systems. Its population served is well below the county average of 303 people per system, and accounts for less than 0.1% of the 32,740 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 Johnsville Public Utility Dist 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. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Johnsville Public Utility Dist?
EPA lists Johnsville Public Utility Dist 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. 19 of the 108 active systems in Plumas County (18%) are also owned by a local government.
Does Johnsville Public Utility Dist have drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 1993. The violations listed here began between October 1980 and June 1993. By type: 2 monitoring and reporting and 1 required treatment not met. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (2 of them). EPA lists 2 as archived and 1 as resolved. 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. 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 |
|---|---|---|---|---|
| 1993-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | Resolved |
| 1981-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1980-10-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
All 3 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.
Johnsville Public Utility Dist: frequently asked questions
Who runs Johnsville Public Utility Dist?
Johnsville Public Utility Dist (PWSID CA3200505) is a transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Johnsville Public Utility Dist serve?
Johnsville Public Utility Dist reports serving 30 people through 48 service connections in Plumas County, California.
Where does Johnsville Public Utility Dist get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Johnsville Public Utility Dist have any drinking water violations?
EPA's records list 3 violations for this system; 1 is health-based, and the most recent began in June 1993. 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 Johnsville Public Utility Dist'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 3 violations for this system; 1 is health-based, and the most recent began in June 1993. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Johnsville Public Utility Dist's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Johnsville Public Utility Dist 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 Plumas County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Lake Almanor Country Club Mwc | Plumas | 6,000 | Community | Groundwater |
| American Valley Csd | Plumas | 3,778 | Community | Groundwater |
| Chester Public U.D. | Plumas | 2,187 | Community | Groundwater |
| City of Portola | Plumas | 2,100 | Community | Purchased surface water |
| Hamilton Branch Csd | Plumas | 1,874 | Community | Groundwater |
| Plumas Eureka Csd | Plumas | 1,534 | 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, “Johnsville Public Utility Dist, PWSID CA3200505, California”, https://aquacensus.com/water-systems/california/johnsville-public-utility-dist-ca3200505 (data as of October 1, 2026).