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Public water system · CA3301082

Active

Caltrans, Whitewater Rest Area

At a glance

Caltrans, Whitewater Rest Area (PWSID CA3301082) is an active transient non-community water system in Riverside County, California. It reports serving 6,000 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2025.

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

Population served

6,000

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA3301082
System typeTransient non-community water system
Activity statusActive
Population served6,000
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyRiverside County

How does Caltrans, Whitewater Rest Area compare with other water systems in Riverside County?

By EPA's size categories, Caltrans, Whitewater Rest Area is a medium system (3,301 to 10,000 people). Riverside County has 197 active public water systems. Its population served is about 58% below the county average of 14,435 people per system, and accounts for 0.2% 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 Caltrans, Whitewater Rest Area is about 42 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 Caltrans, Whitewater Rest Area?

EPA lists Caltrans, Whitewater Rest Area 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. 6 of the 197 active systems in Riverside County (3%) are also owned by a state government.

Does Caltrans, Whitewater Rest Area have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2025. The violations listed here began between May 1983 and November 2025. By type: 7 public notice, recordkeeping or other, 3 monitoring and reporting and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (4 of them). EPA lists 7 as archived and 5 as resolved. 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. 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
2025-11-27Monitoring and reportingMonitoring, Source Water (GWR) · code 34E. colicode 3014NoResolved
2012-06-01Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24Total coliform bacteria (TCR)code 3100NoResolved
2008-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
2004-11-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved
1996-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoResolved
1984-03-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-12-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-09-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-08-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-07-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-06-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived
1983-05-01Public notice, recordkeeping or otherNotification, Public · code 06Not reportedNoArchived

The 12 most recent 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.

Caltrans, Whitewater Rest Area: frequently asked questions

Who runs Caltrans, Whitewater Rest Area?

Caltrans, Whitewater Rest Area (PWSID CA3301082) 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, Whitewater Rest Area serve?

Caltrans, Whitewater Rest Area reports serving 6,000 people through 1 service connection in Riverside County, California.

Where does Caltrans, Whitewater Rest Area 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, Whitewater Rest Area have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2025. 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, Whitewater Rest Area'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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in November 2025. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Caltrans, Whitewater Rest Area's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Caltrans, Whitewater Rest Area 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, “Caltrans, Whitewater Rest Area, PWSID CA3301082, California”, https://aquacensus.com/water-systems/california/caltrans-whitewater-rest-area-ca3301082 (data as of October 1, 2026).