Public water system · CA5210506
ActiveLassen Vnp - Summit Lake
At a glance
Lassen Vnp - Summit Lake (PWSID CA5210506) is an active transient non-community water system in Tehama County, California. It reports serving 251 people through 1 service connection. Its primary water source is surface water, and EPA lists it as owned by the federal government. EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2017.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
251
Service connections
1
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Lassen Vnp - Summit Lake compare with other water systems in Tehama County?
By EPA's size categories, Lassen Vnp - Summit Lake is a very small system (500 people or fewer). Tehama County has 109 active public water systems. Its population served is about half of the county average of 474 people per system, and accounts for 0.5% 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 transient non-community water system reports serving 144 people, so Lassen Vnp - Summit Lake is about 74% above 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 Lassen Vnp - Summit Lake?
EPA lists Lassen Vnp - Summit Lake 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 - Summit Lake have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2017. By type: 1 monitoring. The contaminant or rule involved is Revised Total Coliform Rule. 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 |
|---|---|---|---|---|
| 2017-09-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | 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.
Lassen Vnp - Summit Lake: frequently asked questions
Who runs Lassen Vnp - Summit Lake?
Lassen Vnp - Summit Lake (PWSID CA5210506) is a 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 - Summit Lake serve?
Lassen Vnp - Summit Lake reports serving 251 people through 1 service connection in Tehama County, California.
Where does Lassen Vnp - Summit Lake 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 - Summit Lake have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in September 2017. 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 - Summit Lake'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 not health-based, and the most recent began in September 2017. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Lassen Vnp - Summit Lake's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lassen Vnp - Summit Lake 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 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 - Summit Lake, PWSID CA5210506, California”, https://aquacensus.com/water-systems/california/lassen-vnp-summit-lake-ca5210506 (data as of October 1, 2026).