Public water system · CA4510507
ActiveWhiskeytown Nra-Oak Bottom
At a glance
Whiskeytown Nra-Oak Bottom (PWSID CA4510507) is an active transient non-community water system in Shasta County, California. It reports serving 440 people through 18 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list one violation for this system; it is health-based, and the most recent began in June 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
440
Service connections
18
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Whiskeytown Nra-Oak Bottom compare with other water systems in Shasta County?
By EPA's size categories, Whiskeytown Nra-Oak Bottom is a very small system (500 people or fewer). Shasta County has 174 active public water systems. Its population served is about 64% below the county average of 1,208 people per system, and accounts for 0.2% of the 210,209 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 Whiskeytown Nra-Oak Bottom is about 3.1 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. 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 Whiskeytown Nra-Oak Bottom?
EPA lists Whiskeytown Nra-Oak Bottom 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. 18 of the 174 active systems in Shasta County (10%) are also owned by the federal government.
Does Whiskeytown Nra-Oak Bottom have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in June 1993. 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 |
|---|---|---|---|---|
| 1993-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | 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.
Whiskeytown Nra-Oak Bottom: frequently asked questions
Who runs Whiskeytown Nra-Oak Bottom?
Whiskeytown Nra-Oak Bottom (PWSID CA4510507) 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 Whiskeytown Nra-Oak Bottom serve?
Whiskeytown Nra-Oak Bottom reports serving 440 people through 18 service connections in Shasta County, California.
Where does Whiskeytown Nra-Oak Bottom 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 Whiskeytown Nra-Oak Bottom have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in June 1993. 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 Whiskeytown Nra-Oak Bottom'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 June 1993. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Whiskeytown Nra-Oak Bottom's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Whiskeytown Nra-Oak Bottom 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 Shasta County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Redding | Shasta | 89,628 | Community | Surface water |
| Bella Vista Water District | Shasta | 18,612 | Community | Surface water |
| City of Anderson | Shasta | 11,147 | Community | Groundwater |
| City of Shasta Lake | Shasta | 10,657 | Community | Surface water |
| Shasta District Fair | Shasta | 10,200 | Transient non-community | Groundwater |
| Clear Creek Csd-Anderson | Shasta | 8,900 | Community | Surface water |
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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, “Whiskeytown Nra-Oak Bottom, PWSID CA4510507, California”, https://aquacensus.com/water-systems/california/whiskeytown-nra-oak-bottom-ca4510507 (data as of October 1, 2026).