Public water system · CA1700597
ActiveLake Pillsbury Ranch Water Company
At a glance
Lake Pillsbury Ranch Water Company (PWSID CA1700597) is an active transient non-community water system in Lake County, California. It reports serving 53 people through 150 service connections. Its primary water source is surface water, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 1983.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
53
Service connections
150
Primary source
SW
Surface water
System type
TNCWS
Transient non-community water system
System record
How does Lake Pillsbury Ranch Water Company compare with other water systems in Lake County?
By EPA's size categories, Lake Pillsbury Ranch Water Company is a very small system (500 people or fewer). Lake County has 81 active public water systems. Its population served is well below the county average of 895 people per system, and accounts for less than 0.1% of the 72,454 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Lake Pillsbury Ranch Water Company is about 63% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-community water systems, 40% of the state's 7,479 active systems. Surface water means the system draws its water from rivers, lakes, streams or reservoirs. 609 California systems (8.1%) list surface water as their primary source.
Who owns and regulates Lake Pillsbury Ranch Water Company?
EPA lists Lake Pillsbury Ranch Water Company 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. 60 of the 81 active systems in Lake County (74%) are also privately owned.
Does Lake Pillsbury Ranch Water Company have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 1983. The violations listed here began between December 1982 and November 1983. By type: 2 public notice, recordkeeping or other. EPA lists 2 as archived. 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 |
|---|---|---|---|---|
| 1983-11-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1982-12-01 | 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.
Lake Pillsbury Ranch Water Company: frequently asked questions
Who runs Lake Pillsbury Ranch Water Company?
Lake Pillsbury Ranch Water Company (PWSID CA1700597) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Lake Pillsbury Ranch Water Company serve?
Lake Pillsbury Ranch Water Company reports serving 53 people through 150 service connections in Lake County, California.
Where does Lake Pillsbury Ranch Water Company get its water?
EPA SDWIS lists this system's primary water source as surface water. Surface water means the system draws its water from rivers, lakes, streams or reservoirs.
Does Lake Pillsbury Ranch Water Company have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in November 1983. 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 Lake Pillsbury Ranch Water Company'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 November 1983. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Lake Pillsbury Ranch Water Company's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Lake Pillsbury Ranch Water Company is a 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 Lake County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Highlands Mutual Water Company | Lake | 7,772 | Community | Surface water |
| Hidden Valley Lake Csd | Lake | 6,235 | Community | Groundwater |
| Konocti County Water District | Lake | 5,928 | Community | Surface water |
| Lakeport, City of | Lake | 4,762 | Community | Surface water |
| Golden State Water Co.-Clearlake System | Lake | 4,644 | Community | Surface water |
| Mt. Konocti Mutual Water Company | Lake | 4,360 | Community | 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, “Lake Pillsbury Ranch Water Company, PWSID CA1700597, California”, https://aquacensus.com/water-systems/california/lake-pillsbury-ranch-water-company-ca1700597 (data as of October 1, 2026).