Public water system · CA2000195
ActiveHidden View Hensley Lake
At a glance
Hidden View Hensley Lake (PWSID CA2000195) is an active transient non-community water system in Madera County, California. It reports serving 297 people through 65 service connections. 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 August 2006.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
297
Service connections
65
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Hidden View Hensley Lake compare with other water systems in Madera County?
By EPA's size categories, Hidden View Hensley Lake is a very small system (500 people or fewer). Madera County has 202 active public water systems. Its population served is well below the county average of 915 people per system, and accounts for 0.2% of the 184,760 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 Hidden View Hensley Lake is about twice 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 Hidden View Hensley Lake?
EPA lists Hidden View Hensley 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 202 active systems in Madera County (5.4%) are also owned by the federal government.
Does Hidden View Hensley 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 August 2006. By type: 1 monitoring and reporting. The contaminant or rule involved is Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2006-08-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | 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.
Hidden View Hensley Lake: frequently asked questions
Who runs Hidden View Hensley Lake?
Hidden View Hensley Lake (PWSID CA2000195) 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 Hidden View Hensley Lake serve?
Hidden View Hensley Lake reports serving 297 people through 65 service connections in Madera County, California.
Where does Hidden View Hensley 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 Hidden View Hensley 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 August 2006. 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 Hidden View Hensley 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 August 2006. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Hidden View Hensley Lake's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hidden View Hensley 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 Madera County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Madera | Madera | 66,560 | Community | Groundwater |
| Chowchilla City Water Dept | Madera | 13,916 | Community | Groundwater |
| Lupine Bass Lake | Madera | 11,930 | Transient non-community | Groundwater |
| Madera Valley Water Company | Madera | 6,494 | Community | Groundwater |
| Riverstone/Rootcreek Water District | Madera | 5,507 | Community | Groundwater |
| Yosemite Spring Park Util Co | Madera | 5,300 | 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, “Hidden View Hensley Lake, PWSID CA2000195, California”, https://aquacensus.com/water-systems/california/hidden-view-hensley-lake-ca2000195 (data as of October 1, 2026).