Public water system · CA5403073
ActiveSlate Mountain Hoa
At a glance
Slate Mountain Hoa (PWSID CA5403073) is an active transient non-community water system in Tulare County, California. It reports serving 42 people through 41 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in July 2018.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
42
Service connections
41
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Slate Mountain Hoa compare with other water systems in Tulare County?
By EPA's size categories, Slate Mountain Hoa is a very small system (500 people or fewer). Tulare County has 274 active public water systems. Its population served is well below the county average of 1,700 people per system, and accounts for less than 0.1% of the 465,710 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 Slate Mountain Hoa 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 Slate Mountain Hoa?
EPA lists Slate Mountain Hoa 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. 184 of the 274 active systems in Tulare County (67%) are also privately owned.
Does Slate Mountain Hoa have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in July 2018. By type: 1 required treatment not met. The contaminant or rule involved is Surface Water Treatment 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 |
|---|---|---|---|---|
| 2018-07-01 | Required treatment not metFailure to Filter (SWTR) · code 42 | Surface Water Treatment Rulecode 0200 | Yes | 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.
Slate Mountain Hoa: frequently asked questions
Who runs Slate Mountain Hoa?
Slate Mountain Hoa (PWSID CA5403073) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Slate Mountain Hoa serve?
Slate Mountain Hoa reports serving 42 people through 41 service connections in Tulare County, California.
Where does Slate Mountain Hoa 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 Slate Mountain Hoa have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in July 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 Slate Mountain Hoa'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 health-based, and the most recent began in July 2018. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Slate Mountain Hoa's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Slate Mountain Hoa 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 Tulare County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cws - Visalia | Tulare | 148,496 | Community | Groundwater |
| Tulare, City of | Tulare | 72,241 | Community | Groundwater |
| Porterville, City of | Tulare | 63,487 | Community | Groundwater |
| Dinuba, City of | Tulare | 27,281 | Community | Groundwater |
| Lindsay, City of | Tulare | 12,659 | Community | Surface water |
| Exeter, City of | Tulare | 11,169 | 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, “Slate Mountain Hoa, PWSID CA5403073, California”, https://aquacensus.com/water-systems/california/slate-mountain-hoa-ca5403073 (data as of October 1, 2026).