Public water system · CA1100448
ActivePlaza Elementary School
At a glance
Plaza Elementary School (PWSID CA1100448) is an active non-transient non-community water system in Glenn County, California. It reports serving 250 people through 4 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
250
Service connections
4
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Plaza Elementary School compare with other water systems in Glenn County?
By EPA's size categories, Plaza Elementary School is a very small system (500 people or fewer). Glenn County has 34 active public water systems. Its population served is well below the county average of 1,085 people per system, and accounts for 0.7% of the 36,902 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 Plaza Elementary School is about 42% below 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 Plaza Elementary School?
EPA lists Plaza Elementary School 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. 9 of the 34 active systems in Glenn County (26%) are also owned by a local government.
Does Plaza Elementary School have drinking water violations?
No SDWA violations on record.
EPA's SDWA violation and enforcement data (via EPA ECHO, updated quarterly) lists no violations for Plaza Elementary School. For the latest compliance status, check EPA ECHO for current compliance history.
Plaza Elementary School: frequently asked questions
Who runs Plaza Elementary School?
Plaza Elementary School (PWSID CA1100448) 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 Plaza Elementary School serve?
Plaza Elementary School reports serving 250 people through 4 service connections in Glenn County, California.
Where does Plaza Elementary School 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 Plaza Elementary School have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Plaza Elementary School'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 Safe Drinking Water Act records list no violations for this system. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Plaza Elementary School's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Plaza Elementary School 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 Glenn County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Orland | Glenn | 8,298 | Community | Groundwater |
| Caltrans-Willows Reststop-Nb | Glenn | 7,500 | Transient non-community | Groundwater |
| Caltrans-Willows Reststop-Sb | Glenn | 7,500 | Transient non-community | Groundwater |
| Cal-Water Service Co.-Willows | Glenn | 7,240 | Community | Groundwater |
| Cal-Water Service Co.-Hamilton City | Glenn | 1,799 | Community | Groundwater |
| Sacramento Nat. Wildlife Refuge | Glenn | 824 | Transient non-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, “Plaza Elementary School, PWSID CA1100448, California”, https://aquacensus.com/water-systems/california/plaza-elementary-school-ca1100448 (data as of October 1, 2026).