Public water system · CA5210503
ActiveLassen Vnp - Headquarters
At a glance
Lassen Vnp - Headquarters (PWSID CA5210503) is an active non-transient non-community water system in Tehama County, California. It reports serving 69 people through 33 service connections. Its primary water source is surface water, and EPA lists it as owned by the federal government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
69
Service connections
33
Primary source
SW
Surface water
System type
NTNCWS
Non-transient non-community water system
System record
How does Lassen Vnp - Headquarters compare with other water systems in Tehama County?
By EPA's size categories, Lassen Vnp - Headquarters is a very small system (500 people or fewer). Tehama County has 109 active public water systems. Its population served is well below the county average of 474 people per system, and accounts for 0.1% of the 51,627 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 Lassen Vnp - Headquarters 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. 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 Lassen Vnp - Headquarters?
EPA lists Lassen Vnp - Headquarters 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. 11 of the 109 active systems in Tehama County (10%) are also owned by the federal government.
Does Lassen Vnp - Headquarters have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2018. The violations listed here began between December 2002 and October 2018. By type: 1 monitoring and reporting and 1 required treatment not met. The contaminants or rules involved are Lead and Copper Rule and Surface Water Treatment Rule. 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 |
|---|---|---|---|---|
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-12-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | 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.
Lassen Vnp - Headquarters: frequently asked questions
Who runs Lassen Vnp - Headquarters?
Lassen Vnp - Headquarters (PWSID CA5210503) is a non-transient non-community water system owned by the federal government. It is regulated by the CA state drinking water program.
How many people does Lassen Vnp - Headquarters serve?
Lassen Vnp - Headquarters reports serving 69 people through 33 service connections in Tehama County, California.
Where does Lassen Vnp - Headquarters 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 Lassen Vnp - Headquarters have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2018. 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 Lassen Vnp - Headquarters' 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; 1 is health-based, and the most recent began in October 2018. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Lassen Vnp - Headquarters' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lassen Vnp - Headquarters 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 Tehama County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Red Bluff | Tehama | 14,710 | Community | Groundwater |
| City of Corning | Tehama | 8,244 | Community | Groundwater |
| Rio Alto Water District | Tehama | 3,329 | Community | Groundwater |
| Caltrans-Red Bluff Rest-Nb | Tehama | 2,600 | Transient non-community | Groundwater |
| Caltrans-Red Bluff Rest-Sb | Tehama | 2,500 | Transient non-community | Groundwater |
| Los Molinos Comm. Services Dist. | Tehama | 1,450 | 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, “Lassen Vnp - Headquarters, PWSID CA5210503, California”, https://aquacensus.com/water-systems/california/lassen-vnp-headquarters-ca5210503 (data as of October 1, 2026).