Public water system · CA1910029
ActiveCity of Industry Waterworks Systems
At a glance
City of Industry Waterworks Systems (PWSID CA1910029) is an active community water system in Los Angeles County, California. It reports serving 6,158 people through 1,860 service connections. 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 December 1999.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
6,158
Service connections
1,860
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does City of Industry Waterworks Systems compare with other water systems in Los Angeles County?
By EPA's size categories, City of Industry Waterworks Systems is a medium system (3,301 to 10,000 people). Los Angeles County has 275 active public water systems. Its population served is well below the county average of 36,762 people per system, and accounts for less than 0.1% of the 10,109,668 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 City of Industry Waterworks Systems is roughly in line with 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 City of Industry Waterworks Systems?
EPA lists City of Industry Waterworks Systems 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. 100 of the 275 active systems in Los Angeles County (36%) are also owned by a local government.
Does City of Industry Waterworks Systems have drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in December 1999. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Trichloroethylene. 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 |
|---|---|---|---|---|
| 1999-12-21 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02 | Trichloroethylenecode 2984 | 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.
City of Industry Waterworks Systems: frequently asked questions
Who runs City of Industry Waterworks Systems?
City of Industry Waterworks Systems (PWSID CA1910029) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does City of Industry Waterworks Systems serve?
City of Industry Waterworks Systems reports serving 6,158 people through 1,860 service connections in Los Angeles County, California.
Where does City of Industry Waterworks Systems 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 City of Industry Waterworks Systems have any drinking water violations?
EPA's records list one violation for this system; it is health-based, and the most recent began in December 1999. 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 City of Industry Waterworks Systems' 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 December 1999. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find City of Industry Waterworks Systems' water quality report?
As a community water system, City of Industry Waterworks Systems 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 Los Angeles County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Los Angeles-City, Dept. of Water & Power | Los Angeles | 3,875,566 | Community | Surface water |
| Long Beach Utilities Department | Los Angeles | 466,772 | Community | Purchased surface water |
| Santa Clarita Valley Water Agency | Los Angeles | 294,090 | Community | Surface water |
| Gswc - Southwest | Los Angeles | 277,740 | Community | Purchased surface water |
| San Gabriel Valley Water Co.-El Monte | Los Angeles | 248,000 | Community | Groundwater |
| Los Angeles Cwwd 40 Reg 4 & 34 Lancaster | Los Angeles | 208,129 | 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, “City of Industry Waterworks Systems, PWSID CA1910029, California”, https://aquacensus.com/water-systems/california/city-of-industry-waterworks-systems-ca1910029 (data as of October 1, 2026).