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Public water system · CA0706112

Active

Ebrpd Round Valley Water System

At a glance

Ebrpd Round Valley Water System (PWSID CA0706112) is an active transient non-community water system in Contra Costa County, California. It reports serving 82 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.

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

Population served

82

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA0706112
System typeTransient non-community water system
Activity statusActive
Population served82
Service connections1
Primary water sourceGroundwater
Owner typeLocal government
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyContra Costa County

How does Ebrpd Round Valley Water System compare with other water systems in Contra Costa County?

By EPA's size categories, Ebrpd Round Valley Water System is a very small system (500 people or fewer). Contra Costa County has 84 active public water systems. Its population served is well below the county average of 6,726 people per system, and accounts for less than 0.1% of the 564,952 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 Ebrpd Round Valley Water System is about 43% 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 Ebrpd Round Valley Water System?

EPA lists Ebrpd Round Valley Water System as owned by a local 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. 25 of the 84 active systems in Contra Costa County (30%) are also owned by a local government.

Does Ebrpd Round Valley Water System have drinking water violations?

No SDWA violations on record.

EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Ebrpd Round Valley Water System. For the latest compliance status, check EPA ECHO for current compliance history.

Ebrpd Round Valley Water System: frequently asked questions

Who runs Ebrpd Round Valley Water System?

Ebrpd Round Valley Water System (PWSID CA0706112) is a transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.

How many people does Ebrpd Round Valley Water System serve?

Ebrpd Round Valley Water System reports serving 82 people through 1 service connection in Contra Costa County, California.

Where does Ebrpd Round Valley Water System 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 Ebrpd Round Valley Water System have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Ebrpd Round Valley Water System'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Ebrpd Round Valley Water System's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Ebrpd Round Valley Water System 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 Contra Costa County

Water systemCountyPopulation servedTypeSource
Contra Costa Water DistrictContra Costa198,000CommunitySurface water
City of AntiochContra Costa115,074CommunitySurface water
BrentwoodContra Costa64,513CommunityPurchased surface water
City of PittsburgContra Costa62,500CommunityPurchased surface water
Diablo Water DistrictContra Costa43,357CommunityPurchased surface water
City of MartinezContra Costa30,997CommunityPurchased 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, “Ebrpd Round Valley Water System, PWSID CA0706112, California”, https://aquacensus.com/water-systems/california/ebrpd-round-valley-water-system-ca0706112 (data as of October 1, 2026).