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Public water system · CA1805005

Active

Sierra Cascade Nursery

At a glance

Sierra Cascade Nursery (PWSID CA1805005) is an active non-transient non-community water system in Lassen County, California. It reports serving 55 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2025.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

55

Service connections

1

Primary source

GW

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA1805005
System typeNon-transient non-community water system
Activity statusActive
Population served55
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyLassen County

How does Sierra Cascade Nursery compare with other water systems in Lassen County?

By EPA's size categories, Sierra Cascade Nursery is a very small system (500 people or fewer). Lassen County has 51 active public water systems. Its population served is well below the county average of 476 people per system, and accounts for 0.2% of the 24,257 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 Sierra Cascade Nursery is well 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 Sierra Cascade Nursery?

EPA lists Sierra Cascade Nursery as privately owned. 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. 29 of the 51 active systems in Lassen County (57%) are also privately owned.

Does Sierra Cascade Nursery have drinking water violations?

EPA's records list one violation for this system; it is not health-based, and the most recent began in October 2025. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.

BeganViolationContaminant or ruleHealth-basedStatus
2025-10-01Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52Lead and Copper Rulecode 5000NoUnaddressed

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.

Sierra Cascade Nursery: frequently asked questions

Who runs Sierra Cascade Nursery?

Sierra Cascade Nursery (PWSID CA1805005) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Sierra Cascade Nursery serve?

Sierra Cascade Nursery reports serving 55 people through 1 service connection in Lassen County, California.

Where does Sierra Cascade Nursery 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 Sierra Cascade Nursery have any drinking water violations?

EPA's records list one violation for this system; it is not 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 Sierra Cascade Nursery'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 one violation for this system; it is not health-based, and the most recent began in October 2025. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Sierra Cascade Nursery's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Sierra Cascade Nursery 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 Lassen County

Water systemCountyPopulation servedTypeSource
City of SusanvilleLassen7,811CommunityGroundwater
Cdcr-High Desert State PrisonLassen3,857CommunityGroundwater
Herlong Public Utility DistrictLassen2,114CommunityGroundwater
Westwood C.S.D.Lassen1,662CommunityGroundwater
Lassen Community College Dist.Lassen1,380Non-transient non-communityGroundwater
Sierra Army DepotLassen1,200Non-transient non-communityGroundwater

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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, “Sierra Cascade Nursery, PWSID CA1805005, California”, https://aquacensus.com/water-systems/california/sierra-cascade-nursery-ca1805005 (data as of October 1, 2026).