Public water system · CA5304507
ActiveCaltrans-Salyer Safety Rest Stop
At a glance
Caltrans-Salyer Safety Rest Stop (PWSID CA5304507) is an active transient non-community water system in Trinity County, California. It reports serving 400 people through 1 service connection. Its primary water source is groundwater, 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 July 2001.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
400
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Caltrans-Salyer Safety Rest Stop compare with other water systems in Trinity County?
By EPA's size categories, Caltrans-Salyer Safety Rest Stop is a very small system (500 people or fewer). Trinity County has 42 active public water systems. Its population served is about 15% above the county average of 347 people per system, and accounts for 2.7% of the 14,561 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 Caltrans-Salyer Safety Rest Stop is about 178% above 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 Caltrans-Salyer Safety Rest Stop?
EPA lists Caltrans-Salyer Safety Rest Stop 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 42 active systems in Trinity County (2.4%) are also owned by a state government.
Does Caltrans-Salyer Safety Rest Stop have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in July 2001. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). 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 |
|---|---|---|---|---|
| 2001-07-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22 | Total coliform bacteria (TCR)code 3100 | 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.
Caltrans-Salyer Safety Rest Stop: frequently asked questions
Who runs Caltrans-Salyer Safety Rest Stop?
Caltrans-Salyer Safety Rest Stop (PWSID CA5304507) 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 Caltrans-Salyer Safety Rest Stop serve?
Caltrans-Salyer Safety Rest Stop reports serving 400 people through 1 service connection in Trinity County, California.
Where does Caltrans-Salyer Safety Rest Stop 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 Caltrans-Salyer Safety Rest Stop 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 2001. 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 Caltrans-Salyer Safety Rest Stop'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 2001. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Caltrans-Salyer Safety Rest Stop's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Caltrans-Salyer Safety Rest Stop 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 Trinity County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Weaverville C.S.D. | Trinity | 3,975 | Community | Surface water |
| Trinity Co. W.W. Dist #1 | Trinity | 2,324 | Community | Surface water |
| Trinity Center M.W.C. | Trinity | 729 | Community | Surface water |
| Lewiston Community Services District | Trinity | 677 | Community | Surface water |
| Clark System | Trinity | 450 | Transient non-community | Groundwater |
| Hayward Flat Campground | Trinity | 440 | 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, “Caltrans-Salyer Safety Rest Stop, PWSID CA5304507, California”, https://aquacensus.com/water-systems/california/caltrans-salyer-safety-rest-stop-ca5304507 (data as of October 1, 2026).