Public water system · CA0210300
ActiveCa State Parks - Grover Hot Springs
At a glance
Ca State Parks - Grover Hot Springs (PWSID CA0210300) is an active transient non-community water system in Alpine County, California. It reports serving 1,002 people through 9 service connections. Its primary water source is surface water, and EPA lists it as owned by a state government. EPA's records list one violation for this system; it is health-based, and the most recent began in September 2004.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,002
Service connections
9
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Ca State Parks - Grover Hot Springs compare with other water systems in Alpine County?
By EPA's size categories, Ca State Parks - Grover Hot Springs is a small system (501 to 3,300 people). Alpine County has 35 active public water systems, and Ca State Parks - Grover Hot Springs is the 3rd-largest of them by population served. Its population served is about 139% above the county average of 419 people per system, and accounts for 6.8% of the 14,677 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 Ca State Parks - Grover Hot Springs is about 7 times 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 Ca State Parks - Grover Hot Springs?
EPA lists Ca State Parks - Grover Hot Springs as owned by a state 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. 1 of the 35 active systems in Alpine County (2.9%) are also owned by a state government.
Does Ca State Parks - Grover Hot Springs have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2004. By type: 1 required treatment not met. The contaminant or rule involved is Interim Enhanced 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 |
|---|---|---|---|---|
| 2004-09-01 | Required treatment not metSingle Turbidity Exceed (Enhanced SWTR) · code 43 | Interim Enhanced Surface Water Treatment Rulecode 0300 | 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.
Ca State Parks - Grover Hot Springs: frequently asked questions
Who runs Ca State Parks - Grover Hot Springs?
Ca State Parks - Grover Hot Springs (PWSID CA0210300) is a transient non-community water system owned by a state government. It is regulated by the CA state drinking water program.
How many people does Ca State Parks - Grover Hot Springs serve?
Ca State Parks - Grover Hot Springs reports serving 1,002 people through 9 service connections in Alpine County, California.
Where does Ca State Parks - Grover Hot Springs 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 Ca State Parks - Grover Hot Springs have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in September 2004. 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 Ca State Parks - Grover Hot Springs' 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 September 2004. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Ca State Parks - Grover Hot Springs' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Ca State Parks - Grover Hot Springs 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 Alpine County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Kirkwood Meadows Public Utility District | Alpine | 7,851 | Community | Groundwater |
| Bear Valley Mountain Resort | Alpine | 3,500 | Transient non-community | Groundwater |
| Lake Alpine Water Company | Alpine | 625 | Community | Surface water |
| Kirkwood Sunrise Grill | Alpine | 500 | Transient non-community | Groundwater |
| Markleeville Water Co. | Alpine | 175 | Community | Surface water |
| Diamond Valley School | Alpine | 100 | 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, “Ca State Parks - Grover Hot Springs, PWSID CA0210300, California”, https://aquacensus.com/water-systems/california/ca-state-parks-grover-hot-springs-ca0210300 (data as of October 1, 2026).