Public water system · CA1900886
ActiveHughes-Elizabeth Lake Unified School Dis
At a glance
Hughes-Elizabeth Lake Unified School Dis (PWSID CA1900886) is an active non-transient non-community water system in Los Angeles County, California. It reports serving 550 people through 2 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
550
Service connections
2
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Hughes-Elizabeth Lake Unified School Dis compare with other water systems in Los Angeles County?
By EPA's size categories, Hughes-Elizabeth Lake Unified School Dis is a small system (501 to 3,300 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 non-transient non-community water system reports serving 430 people, so Hughes-Elizabeth Lake Unified School Dis is about 28% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Hughes-Elizabeth Lake Unified School Dis?
EPA lists Hughes-Elizabeth Lake Unified School Dis 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 Hughes-Elizabeth Lake Unified School Dis have drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024. The violations listed here began between July 1993 and October 2024. By type: 2 monitoring and reporting, 1 required treatment not met and 1 reporting. The contaminant or rule involved most often is Lead and Copper Rule Revisions (2 of them). EPA lists 2 as addressed, 1 as resolved and 1 as unaddressed. Addressed means the violation is not resolved or archived and is covered by formal enforcement. 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. 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 |
|---|---|---|---|---|
| 2024-10-17 | Required treatment not metLSL Inventory · code 2E | Lead and Copper Rule Revisionscode 5200 | Yes | Addressed |
| 2024-10-17 | ReportingLSL Reporting · code 4G | Lead and Copper Rule Revisionscode 5200 | No | Addressed |
| 2019-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Unaddressed |
All 4 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.
Hughes-Elizabeth Lake Unified School Dis: frequently asked questions
Who runs Hughes-Elizabeth Lake Unified School Dis?
Hughes-Elizabeth Lake Unified School Dis (PWSID CA1900886) is a non-transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Hughes-Elizabeth Lake Unified School Dis serve?
Hughes-Elizabeth Lake Unified School Dis reports serving 550 people through 2 service connections in Los Angeles County, California.
Where does Hughes-Elizabeth Lake Unified School Dis 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 Hughes-Elizabeth Lake Unified School Dis have any drinking water violations?
EPA's records list 4 violations for this system; 1 is health-based, and the most recent began in October 2024. 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 Hughes-Elizabeth Lake Unified School Dis' 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 4 violations for this system; 1 is health-based, and the most recent began in October 2024. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Hughes-Elizabeth Lake Unified School Dis' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Hughes-Elizabeth Lake Unified School Dis is a non-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 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, “Hughes-Elizabeth Lake Unified School Dis, PWSID CA1900886, California”, https://aquacensus.com/water-systems/california/hughes-elizabeth-lake-unified-school-dis-ca1900886 (data as of October 1, 2026).