Public water system · CA3301075

Active

Caltrans, Cactus City Rest Area

At a glance

Caltrans, Cactus City Rest Area (PWSID CA3301075) is an active transient non-community water system in Riverside County, California. It reports serving 6,800 people through 1 service connection. Its primary water source is purchased surface water, and EPA lists it as owned by a state government. Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2020.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

6,800

Service connections

Primary source

SWP

Purchased surface water

System type

TNCWS

Transient non-community water system

System record

PWSIDCA3301075

System typeTransient non-community water system

Activity statusActive

Population served6,800

Service connections1

Primary water sourcePurchased surface water

Owner typeState government

Primacy agencyCA state drinking water program

City servedIndio

StateCalifornia

ZIP—

CountyRiverside County

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

By EPA's size categories, Caltrans, Cactus City 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 half of 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, Cactus City Rest Area is about 47 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 surface water means the system buys surface water from another public water system rather than drawing its own. 506 California systems (6.8%) list purchased surface water as their primary source.

Who owns and regulates Caltrans, Cactus City Rest Area?

EPA lists Caltrans, Cactus City 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, Cactus City Rest Area have drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2020. The violations listed here began between September 1994 and August 2020. By type: 5 required treatment not met, 4 monitoring and reporting, 2 contaminant level above the legal limit and 1 monitoring. The contaminant or rule involved most often is Surface Water Treatment Rule (5 of them). EPA lists 12 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
2020-08-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2020-01-01	Monitoring and reportingMonitoring of Treatment (SWTR-Filter) · code 36	Surface Water Treatment Rulecode 0200	No	Resolved
2019-04-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
2019-01-01	MonitoringMonitoring, Routine (RTCR) · code 3A	Revised Total Coliform Rulecode 8000	No	Resolved
2014-03-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2014-03-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2013-09-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-06-01	Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24	Total coliform bacteria (TCR)code 3100	No	Resolved
2010-06-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
2010-06-01	Required treatment not metMonthly Turbidity Exceed (Enhanced SWTR) · code 44	Interim Enhanced Surface Water Treatment Rulecode 0300	Yes	Resolved
1997-08-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved
1994-09-01	Required treatment not metTreatment Technique (SWTR and GWR) · code 41	Surface Water Treatment Rulecode 0200	Yes	Resolved

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, Cactus City Rest Area: frequently asked questions

Who runs Caltrans, Cactus City Rest Area?

Caltrans, Cactus City Rest Area (PWSID CA3301075) 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, Cactus City Rest Area serve?

Caltrans, Cactus City Rest Area reports serving 6,800 people through 1 service connection in Riverside County, California.

Where does Caltrans, Cactus City Rest Area get its water?

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

Does Caltrans, Cactus City Rest Area have any drinking water violations?

Of the 12 most recent violations in EPA's records, 7 are health-based, and the most recent began in August 2020. 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, Cactus City 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, 7 are health-based, and the most recent began in August 2020. For current results, consult EPA ECHO, or the CA state drinking water program.

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

The annual Consumer Confidence Report requirement applies to community water systems. Caltrans, Cactus City 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 system	County	Population served	Type	Source
Eastern Municipal Wd	Riverside	666,581	Community	Purchased surface water
Riverside, City of	Riverside	298,398	Community	Groundwater under influence of surface water
Coachella Vwd: Cove Community	Riverside	270,000	Community	Groundwater
Elsinore Valley Mwd	Riverside	169,455	Community	Surface water
Corona, City of	Riverside	168,575	Community	Purchased surface water
Rancho California Water District	Riverside	146,147	Community	Purchased 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, Cactus City Rest Area, PWSID CA3301075, California”, https://aquacensus.com/water-systems/california/caltrans-cactus-city-rest-area-ca3301075 (data as of October 1, 2026).