Public water system · CA2300901
ActiveAnderson Valley Brewing Company
At a glance
Anderson Valley Brewing Company (PWSID CA2300901) is an active transient non-community water system in Mendocino County, California. It reports serving 47 people through 3 service connections. Its primary water source is groundwater, 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 January 2026.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
47
Service connections
3
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Anderson Valley Brewing Company compare with other water systems in Mendocino County?
By EPA's size categories, Anderson Valley Brewing Company 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 Anderson Valley Brewing Company 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 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 Anderson Valley Brewing Company?
EPA lists Anderson Valley Brewing 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. 98 of the 144 active systems in Mendocino County (68%) are also privately owned.
Does Anderson Valley Brewing Company have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2026. The violations listed here began between August 2017 and January 2026. By type: 2 monitoring. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 1 as archived and 1 as resolved. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2026-01-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2017-08-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
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.
Anderson Valley Brewing Company: frequently asked questions
Who runs Anderson Valley Brewing Company?
Anderson Valley Brewing Company (PWSID CA2300901) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Anderson Valley Brewing Company serve?
Anderson Valley Brewing Company reports serving 47 people through 3 service connections in Mendocino County, California.
Where does Anderson Valley Brewing Company 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 Anderson Valley Brewing 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 January 2026. 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 Anderson Valley Brewing 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 January 2026. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Anderson Valley Brewing Company's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Anderson Valley Brewing 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 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, “Anderson Valley Brewing Company, PWSID CA2300901, California”, https://aquacensus.com/water-systems/california/anderson-valley-brewing-company-ca2300901 (data as of October 1, 2026).