Public water system · CA1800632
ActivePoint Horizon Institute
At a glance
Point Horizon Institute (PWSID CA1800632) is an active transient non-community water system in Lassen County, California. It reports serving 48 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 2016.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
48
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Point Horizon Institute compare with other water systems in Lassen County?
By EPA's size categories, Point Horizon Institute is a very small system (500 people or fewer). Lassen County has 51 active public water systems. Its population served is well below the county average of 476 people per system, and accounts for 0.2% of the 24,257 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 Point Horizon Institute is about 67% 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. 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 Point Horizon Institute?
EPA lists Point Horizon Institute 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. 29 of the 51 active systems in Lassen County (57%) are also privately owned.
Does Point Horizon Institute have drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 2016. The violations listed here began between November 1992 and June 2016. By type: 2 contaminant level above the legal limit and 1 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2016-06-01 | Monitoring and reportingMonitoring, Source Water (GWR) · code 34 | E. colicode 3014 | No | Resolved |
| 2015-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
| 1992-11-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | Yes | Resolved |
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.
Point Horizon Institute: frequently asked questions
Who runs Point Horizon Institute?
Point Horizon Institute (PWSID CA1800632) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Point Horizon Institute serve?
Point Horizon Institute reports serving 48 people through 1 service connection in Lassen County, California.
Where does Point Horizon Institute 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 Point Horizon Institute have any drinking water violations?
EPA's records list 3 violations for this system; 2 are health-based, and the most recent began in June 2016. 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 Point Horizon Institute'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; 2 are health-based, and the most recent began in June 2016. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Point Horizon Institute's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Point Horizon Institute 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 Lassen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Susanville | Lassen | 7,811 | Community | Groundwater |
| Cdcr-High Desert State Prison | Lassen | 3,857 | Community | Groundwater |
| Herlong Public Utility District | Lassen | 2,114 | Community | Groundwater |
| Westwood C.S.D. | Lassen | 1,662 | Community | Groundwater |
| Lassen Community College Dist. | Lassen | 1,380 | Non-transient non-community | Groundwater |
| Sierra Army Depot | Lassen | 1,200 | Non-transient non-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, “Point Horizon Institute, PWSID CA1800632, California”, https://aquacensus.com/water-systems/california/point-horizon-institute-ca1800632 (data as of October 1, 2026).