Public water system · CA1810004
ActiveLeavitt Lake Csd
At a glance
Leavitt Lake Csd (PWSID CA1810004) is an active community water system in Lassen County, California. It reports serving 950 people through 259 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
950
Service connections
259
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Leavitt Lake Csd compare with other water systems in Lassen County?
By EPA's size categories, Leavitt Lake Csd is a small system (501 to 3,300 people). Lassen County has 51 active public water systems. Its population served is about twice the county average of 476 people per system, and accounts for 3.9% 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 community water system reports serving 6,703 people, so Leavitt Lake Csd is well 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 Leavitt Lake Csd?
EPA lists Leavitt Lake Csd 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. 15 of the 51 active systems in Lassen County (29%) are also owned by a local government.
Does Leavitt Lake Csd have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 1993. The violations listed here began between July 1984 and July 1993. By type: 1 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 as resolved and 1 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1984-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
All 2 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.
Leavitt Lake Csd: frequently asked questions
Who runs Leavitt Lake Csd?
Leavitt Lake Csd (PWSID CA1810004) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Leavitt Lake Csd serve?
Leavitt Lake Csd reports serving 950 people through 259 service connections in Lassen County, California.
Where does Leavitt Lake Csd 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 Leavitt Lake Csd have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in July 1993. 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 Leavitt Lake Csd'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 2 violations for this system; none is health-based, and the most recent began in July 1993. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Leavitt Lake Csd's water quality report?
As a community water system, Leavitt Lake Csd 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 Lassen County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Susanville | Lassen | 7,811 | Community | Groundwater |
| Cdcr-High Desert State Prison | Lassen | 3,857 | Community | Groundwater |
| Herlong Public Utility District | Lassen | 2,114 | Community | Groundwater |
| Westwood C.S.D. | Lassen | 1,662 | Community | Groundwater |
| Lassen Community College Dist. | Lassen | 1,380 | Non-transient non-community | Groundwater |
| Sierra Army Depot | Lassen | 1,200 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Leavitt Lake Csd, PWSID CA1810004, California”, https://aquacensus.com/water-systems/california/leavitt-lake-csd-ca1810004 (data as of October 1, 2026).