Public water system · CA2300871
ActivePacific Reefs Water District
At a glance
Pacific Reefs Water District (PWSID CA2300871) is an active transient non-community water system in Mendocino County, California. It reports serving 25 people through 17 service connections. Its primary water source is groundwater under influence of surface water, and EPA lists it as privately owned. EPA's Safe Drinking Water Act records list no violations for this system.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
17
Primary source
GU
Groundwater under influence of surface water
System type
TNCWS
Transient non-community water system
System record
How does Pacific Reefs Water District compare with other water systems in Mendocino County?
By EPA's size categories, Pacific Reefs Water District is a very small system (500 people or fewer). Mendocino County has 144 active public water systems. Its population served is well below the county average of 576 people per system, and accounts for less than 0.1% of the 82,868 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 Pacific Reefs Water District is well 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. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules. 105 California systems (1.4%) list groundwater under influence of surface water as their primary source.
Who owns and regulates Pacific Reefs Water District?
EPA lists Pacific Reefs Water District 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. 98 of the 144 active systems in Mendocino County (68%) are also privately owned.
Does Pacific Reefs Water District 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 Pacific Reefs Water District. For the latest compliance status, check EPA ECHO for current compliance history.
Pacific Reefs Water District: frequently asked questions
Who runs Pacific Reefs Water District?
Pacific Reefs Water District (PWSID CA2300871) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Pacific Reefs Water District serve?
Pacific Reefs Water District reports serving 25 people through 17 service connections in Mendocino County, California.
Where does Pacific Reefs Water District get its water?
EPA SDWIS lists this system's primary water source as groundwater under influence of surface water. Groundwater under the influence of surface water is well or spring water that the regulator has found to be affected by nearby surface water, so it is regulated under the surface-water treatment rules.
Does Pacific Reefs Water District have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Pacific Reefs Water District'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 Pacific Reefs Water District's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Pacific Reefs Water District 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 Mendocino County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Ukiah, City of | Mendocino | 16,607 | Community | Surface water |
| Fort Bragg, City of | Mendocino | 6,919 | Community | Surface water |
| Willits, City of | Mendocino | 6,175 | Community | Surface water |
| Millview County Water District | Mendocino | 5,500 | Community | Surface water |
| Redwood Valley County Water District | Mendocino | 5,200 | Community | Surface water |
| Willow County Water District | Mendocino | 3,797 | 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, “Pacific Reefs Water District, PWSID CA2300871, California”, https://aquacensus.com/water-systems/california/pacific-reefs-water-district-ca2300871 (data as of October 1, 2026).