Public water system · CA3610121
ActiveSbdno County Service Area 64
At a glance
Sbdno County Service Area 64 (PWSID CA3610121) is an active community water system in San Bernardino County, California. It reports serving 14,911 people through 4,030 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
14,911
Service connections
4,030
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Sbdno County Service Area 64 compare with other water systems in San Bernardino County?
By EPA's size categories, Sbdno County Service Area 64 is a large system (10,001 to 100,000 people). San Bernardino County has 306 active public water systems. Its population served is about 62% above the county average of 9,227 people per system, and accounts for 0.5% 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 Sbdno County Service Area 64 is about 122% above 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 Sbdno County Service Area 64?
EPA lists Sbdno County Service Area 64 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 Sbdno County Service Area 64 have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2020. The violations listed here began between October 2012 and January 2020. By type: 1 monitoring and 1 monitoring and reporting. The contaminants or rules involved are Revised Total Coliform Rule and Lead and Copper Rule. EPA lists 2 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 |
|---|---|---|---|---|
| 2020-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2012-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
All 2 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.
Sbdno County Service Area 64: frequently asked questions
Who runs Sbdno County Service Area 64?
Sbdno County Service Area 64 (PWSID CA3610121) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Sbdno County Service Area 64 serve?
Sbdno County Service Area 64 reports serving 14,911 people through 4,030 service connections in San Bernardino County, California.
Where does Sbdno County Service Area 64 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 Sbdno County Service Area 64 have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 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 Sbdno County Service Area 64'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 2 violations for this system; none is health-based, and the most recent began in January 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Sbdno County Service Area 64's water quality report?
As a community water system, Sbdno County Service Area 64 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 |
| San Bernardino Valley Wd | San Bernardino | 109,608 | Community | Groundwater |
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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, “Sbdno County Service Area 64, PWSID CA3610121, California”, https://aquacensus.com/water-systems/california/sbdno-county-service-area-64-ca3610121 (data as of October 1, 2026).