Public water system · CA3610019
ActiveSan Bernardino Valley Wd
At a glance
San Bernardino Valley Wd (PWSID CA3610019) is an active community water system in San Bernardino County, California. It reports serving 109,608 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list one violation for this system; it is health-based, and the most recent began in April 1992.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
109,608
Service connections
1
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does San Bernardino Valley Wd compare with other water systems in San Bernardino County?
By EPA's size categories, San Bernardino Valley Wd is a very large system (more than 100,000 people). San Bernardino County has 306 active public water systems, and San Bernardino Valley Wd is the 6th-largest of them by population served. Its population served is about 12 times the county average of 9,227 people per system, and accounts for 3.9% of the 2,823,318 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so San Bernardino Valley Wd is about 16 times that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active 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 San Bernardino Valley Wd?
EPA lists San Bernardino Valley Wd 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. 74 of the 306 active systems in San Bernardino County (24%) are also owned by a local government.
Does San Bernardino Valley Wd have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 1992. 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 |
|---|---|---|---|---|
| 1992-04-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Acute (TCR) · code 21 | 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.
San Bernardino Valley Wd: frequently asked questions
Who runs San Bernardino Valley Wd?
San Bernardino Valley Wd (PWSID CA3610019) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does San Bernardino Valley Wd serve?
San Bernardino Valley Wd reports serving 109,608 people through 1 service connection in San Bernardino County, California.
Where does San Bernardino Valley Wd 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 San Bernardino Valley Wd have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in April 1992. 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 San Bernardino Valley Wd'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 April 1992. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find San Bernardino Valley Wd's water quality report?
As a community water system, San Bernardino Valley Wd must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in San Bernardino County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Gabriel Valley Wc - Fontana | San Bernardino | 237,700 | Community | Surface water |
| San Bernardino City | San Bernardino | 214,665 | Community | Groundwater |
| Cucamonga Valley Water District | San Bernardino | 211,069 | Community | Surface water |
| Ontario Municipal Utilities Company | San Bernardino | 185,010 | Community | Purchased surface water |
| Victorville Water District | San Bernardino | 135,983 | Community | Purchased surface water |
| East Valley Water District | San Bernardino | 108,629 | Community | 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, “San Bernardino Valley Wd, PWSID CA3610019, California”, https://aquacensus.com/water-systems/california/san-bernardino-valley-wd-ca3610019 (data as of October 1, 2026).