Public water system · CA5200616
ActiveRancho Tehama Association
At a glance
Rancho Tehama Association (PWSID CA5200616) is an active transient non-community water system in Tehama County, California. It reports serving 30 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 1984.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
30
Service connections
2
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Rancho Tehama Association compare with other water systems in Tehama County?
By EPA's size categories, Rancho Tehama Association is a very small system (500 people or fewer). Tehama County has 109 active public water systems. Its population served is well below the county average of 474 people per system, and accounts for less than 0.1% of the 51,627 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 Rancho Tehama Association 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. 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 Rancho Tehama Association?
EPA lists Rancho Tehama Association 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. 69 of the 109 active systems in Tehama County (63%) are also privately owned.
Does Rancho Tehama Association have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 1984. The violations listed here began between November 1982 and August 1984. By type: 3 public notice, recordkeeping or other. EPA lists 3 as archived. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1984-08-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-06-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1982-11-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 3 violations in EPA's records, newest first.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.
Rancho Tehama Association: frequently asked questions
Who runs Rancho Tehama Association?
Rancho Tehama Association (PWSID CA5200616) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Rancho Tehama Association serve?
Rancho Tehama Association reports serving 30 people through 2 service connections in Tehama County, California.
Where does Rancho Tehama Association 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 Rancho Tehama Association have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in August 1984. 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 Rancho Tehama Association'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 3 violations for this system; none is health-based, and the most recent began in August 1984. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Rancho Tehama Association's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Rancho Tehama Association 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 Tehama County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Red Bluff | Tehama | 14,710 | Community | Groundwater |
| City of Corning | Tehama | 8,244 | Community | Groundwater |
| Rio Alto Water District | Tehama | 3,329 | Community | Groundwater |
| Caltrans-Red Bluff Rest-Nb | Tehama | 2,600 | Transient non-community | Groundwater |
| Caltrans-Red Bluff Rest-Sb | Tehama | 2,500 | Transient non-community | Groundwater |
| Los Molinos Comm. Services Dist. | Tehama | 1,450 | 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, “Rancho Tehama Association, PWSID CA5200616, California”, https://aquacensus.com/water-systems/california/rancho-tehama-association-ca5200616 (data as of October 1, 2026).