Public water system · CA3600215
ActiveGilbert Street Complex
At a glance
Gilbert Street Complex (PWSID CA3600215) is an active community water system in San Bernardino County, California. It reports serving 3,833 people through 15 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
3,833
Service connections
15
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Gilbert Street Complex compare with other water systems in San Bernardino County?
By EPA's size categories, Gilbert Street Complex is a medium system (3,301 to 10,000 people). San Bernardino County has 306 active public water systems. Its population served is about 58% below the county average of 9,227 people per system, and accounts for 0.1% 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 Gilbert Street Complex is about 43% below 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 Gilbert Street Complex?
EPA lists Gilbert Street Complex 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 Gilbert Street Complex have drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 2025. The violations listed here began between November 1982 and October 2025. By type: 2 monitoring and reporting, 2 public notice, recordkeeping or other and 1 monitoring. The contaminant or rule involved most often is Lead and Copper Rule (2 of them). EPA lists 3 as archived, 1 as addressed and 1 as unaddressed. 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. Addressed means the violation is not resolved or archived and is covered by formal enforcement. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2025-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2021-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Addressed |
| 2018-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Unaddressed |
| 1983-03-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1982-11-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 5 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.
Gilbert Street Complex: frequently asked questions
Who runs Gilbert Street Complex?
Gilbert Street Complex (PWSID CA3600215) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Gilbert Street Complex serve?
Gilbert Street Complex reports serving 3,833 people through 15 service connections in San Bernardino County, California.
Where does Gilbert Street Complex 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 Gilbert Street Complex have any drinking water violations?
EPA's records list 5 violations for this system; none is health-based, and the most recent began in October 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 Gilbert Street Complex'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 5 violations for this system; none is health-based, and the most recent began in October 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Gilbert Street Complex's water quality report?
As a community water system, Gilbert Street Complex 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, “Gilbert Street Complex, PWSID CA3600215, California”, https://aquacensus.com/water-systems/california/gilbert-street-complex-ca3600215 (data as of October 1, 2026).