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Public water system · CA0605006

Active

Richmond Hunting Club-Maxwell

At a glance

Richmond Hunting Club-Maxwell (PWSID CA0605006) is an active transient non-community water system in Colusa County, California. It reports serving 40 people through 33 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is health-based, and the most recent began in June 1999.

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

Population served

40

Service connections

33

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA0605006
System typeTransient non-community water system
Activity statusActive
Population served40
Service connections33
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountyColusa County

How does Richmond Hunting Club-Maxwell compare with other water systems in Colusa County?

By EPA's size categories, Richmond Hunting Club-Maxwell is a very small system (500 people or fewer). Colusa County has 29 active public water systems. Its population served is well below the county average of 1,211 people per system, and accounts for 0.1% of the 35,121 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 Richmond Hunting Club-Maxwell 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 Richmond Hunting Club-Maxwell?

EPA lists Richmond Hunting Club-Maxwell 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. 19 of the 29 active systems in Colusa County (66%) are also privately owned.

Does Richmond Hunting Club-Maxwell have drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in June 1999. By type: 1 contaminant level above the legal limit. The contaminant or rule involved is Total coliform bacteria (TCR). EPA lists 1 as resolved. 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.

BeganViolationContaminant or ruleHealth-basedStatus
1999-06-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesResolved

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.

Richmond Hunting Club-Maxwell: frequently asked questions

Who runs Richmond Hunting Club-Maxwell?

Richmond Hunting Club-Maxwell (PWSID CA0605006) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Richmond Hunting Club-Maxwell serve?

Richmond Hunting Club-Maxwell reports serving 40 people through 33 service connections in Colusa County, California.

Where does Richmond Hunting Club-Maxwell 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 Richmond Hunting Club-Maxwell have any drinking water violations?

EPA's records list one violation for this system; it is health-based, and the most recent began in June 1999. 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 Richmond Hunting Club-Maxwell'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 health-based, and the most recent began in June 1999. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Richmond Hunting Club-Maxwell's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Richmond Hunting Club-Maxwell 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 Colusa County

Water systemCountyPopulation servedTypeSource
Caltrans-Maxwell ReststopsColusa15,000Transient non-communityGroundwater
City of ColusaColusa6,447CommunityGroundwater
City of WilliamsColusa5,538CommunityGroundwater
Arbuckle Public Utility DistrictColusa2,778CommunityGroundwater
Maxwell Public Utility DistrictColusa1,175CommunityGroundwater
Colusa Industrial PropertiesColusa533Non-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, “Richmond Hunting Club-Maxwell, PWSID CA0605006, California”, https://aquacensus.com/water-systems/california/richmond-hunting-club-maxwell-ca0605006 (data as of October 1, 2026).