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Public water system · CA3302018

Active

Cal-Trans Wiley Well Rest Stop

At a glance

Cal-Trans Wiley Well Rest Stop (PWSID CA3302018) is an active transient non-community water system in Riverside County, California. It reports serving 1,000 people through 1 service connection. Its primary water source is purchased groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 1997.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

1,000

Service connections

1

Primary source

GWP

Purchased groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA3302018
System typeTransient non-community water system
Activity statusActive
Population served1,000
Service connections1
Primary water sourcePurchased groundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyRiverside County

How does Cal-Trans Wiley Well Rest Stop compare with other water systems in Riverside County?

By EPA's size categories, Cal-Trans Wiley Well Rest Stop is a small system (501 to 3,300 people). Riverside County has 197 active public water systems. Its population served is well below the county average of 14,435 people per system, and accounts for less than 0.1% of the 2,843,721 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 Cal-Trans Wiley Well Rest Stop is about 6.9 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 76 California systems (1%) list purchased groundwater as their primary source.

Who owns and regulates Cal-Trans Wiley Well Rest Stop?

EPA lists Cal-Trans Wiley Well Rest Stop 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. 130 of the 197 active systems in Riverside County (66%) are also privately owned.

Does Cal-Trans Wiley Well Rest Stop have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in January 1997. By type: 1 monitoring and reporting. 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.

BeganViolationContaminant or ruleHealth-basedStatus
1997-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved

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.

Cal-Trans Wiley Well Rest Stop: frequently asked questions

Who runs Cal-Trans Wiley Well Rest Stop?

Cal-Trans Wiley Well Rest Stop (PWSID CA3302018) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Cal-Trans Wiley Well Rest Stop serve?

Cal-Trans Wiley Well Rest Stop reports serving 1,000 people through 1 service connection in Riverside County, California.

Where does Cal-Trans Wiley Well Rest Stop get its water?

EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.

Does Cal-Trans Wiley Well Rest Stop have any drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in January 1997. 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 Cal-Trans Wiley Well 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 not health-based, and the most recent began in January 1997. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Cal-Trans Wiley Well Rest Stop's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cal-Trans Wiley Well 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 Riverside County

Water systemCountyPopulation servedTypeSource
Eastern Municipal WdRiverside666,581CommunityPurchased surface water
Riverside, City ofRiverside298,398CommunityGroundwater under influence of surface water
Coachella Vwd: Cove CommunityRiverside270,000CommunityGroundwater
Elsinore Valley MwdRiverside169,455CommunitySurface water
Corona, City ofRiverside168,575CommunityPurchased surface water
Rancho California Water DistrictRiverside146,147CommunityPurchased 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, “Cal-Trans Wiley Well Rest Stop, PWSID CA3302018, California”, https://aquacensus.com/water-systems/california/cal-trans-wiley-well-rest-stop-ca3302018 (data as of October 1, 2026).