Public water system · CA4500362
ActiveRound Mountain Oil Inc.
At a glance
Round Mountain Oil Inc. (PWSID CA4500362) is an active transient non-community water system in Shasta County, California. It reports serving 100 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Round Mountain Oil Inc. compare with other water systems in Shasta County?
By EPA's size categories, Round Mountain Oil Inc. is a very small system (500 people or fewer). Shasta County has 174 active public water systems. Its population served is well below the county average of 1,208 people per system, and accounts for less than 0.1% 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 Round Mountain Oil Inc. is about 31% 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 Round Mountain Oil Inc.?
EPA lists Round Mountain Oil Inc. 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. 117 of the 174 active systems in Shasta County (67%) are also privately owned.
Does Round Mountain Oil Inc. have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Round Mountain Oil Inc.. For the latest compliance status, check EPA ECHO for current compliance history.
Round Mountain Oil Inc.: frequently asked questions
Who runs Round Mountain Oil Inc.?
Round Mountain Oil Inc. (PWSID CA4500362) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Round Mountain Oil Inc. serve?
Round Mountain Oil Inc. reports serving 100 people through 1 service connection in Shasta County, California.
Where does Round Mountain Oil Inc. 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 Round Mountain Oil Inc. have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Round Mountain Oil Inc.'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Round Mountain Oil Inc.'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Round Mountain Oil Inc. 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, “Round Mountain Oil Inc., PWSID CA4500362, California”, https://aquacensus.com/water-systems/california/round-mountain-oil-inc-ca4500362 (data as of October 1, 2026).