Public water system · CA2000659

Active

Cbuso Mission Bell

At a glance

Cbuso Mission Bell (PWSID CA2000659) is an active non-transient non-community water system in Madera County, California. It reports serving 450 people through 20 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2020.

Dataset updated October 2026 . Source: EPA SDWIS/ECHO public records.

Population served

450

Service connections

Primary source

Groundwater

System type

NTNCWS

Non-transient non-community water system

System record

PWSIDCA2000659

System typeNon-transient non-community water system

Activity statusActive

Population served450

Service connections20

Primary water sourceGroundwater

Owner typePrivate

Primacy agencyCA state drinking water program

City served—

StateCalifornia

ZIP—

CountyMadera County

How does Cbuso Mission Bell compare with other water systems in Madera County?

By EPA's size categories, Cbuso Mission Bell is a very small system (500 people or fewer). Madera County has 202 active public water systems. Its population served is about half of the county average of 915 people per system, and accounts for 0.2% of the 184,760 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Cbuso Mission Bell is roughly in line with that figure.

What does “non-transient non-community water system” mean?

A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. California has 1,466 active non-transient non-community water systems, 20% 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 Cbuso Mission Bell?

EPA lists Cbuso Mission Bell 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. 139 of the 202 active systems in Madera County (69%) are also privately owned.

Does Cbuso Mission Bell have drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2020. The violations listed here began between July 2011 and July 2020. By type: 7 monitoring and reporting, 3 contaminant level above the legal limit, 1 required treatment not met and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (4 of them). EPA lists 12 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.

Began	Violation	Contaminant or rule	Health-based	Status
2020-07-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2014-07-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2014-04-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2013-01-01	Monitoring and reportingMonitoring, Regular · code 03	Nitratecode 1040	No	Resolved
2013-01-01	Required treatment not metPublic Education · code 65	Lead and Copper Rulecode 5000	Yes	Resolved
2012-06-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22	Total coliform bacteria (TCR)code 3100	Yes	Resolved
2012-01-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	1,2-Dibromo-3-chloropropane (DBCP)code 2931	Yes	Resolved
2011-11-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2011-10-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2011-10-01	Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02	1,2-Dibromo-3-chloropropane (DBCP)code 2931	Yes	Resolved
2011-08-01	Monitoring and reportingMonitoring, Routine Major (TCR) · code 23	Total coliform bacteria (TCR)code 3100	No	Resolved
2011-07-01	Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71	Consumer Confidence Rulecode 7000	No	Resolved

The 12 most recent 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.

Cbuso Mission Bell: frequently asked questions

Who runs Cbuso Mission Bell?

Cbuso Mission Bell (PWSID CA2000659) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Cbuso Mission Bell serve?

Cbuso Mission Bell reports serving 450 people through 20 service connections in Madera County, California.

Where does Cbuso Mission Bell 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 Cbuso Mission Bell have any drinking water violations?

Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2020. 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 Cbuso Mission Bell'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. Of the 12 most recent violations in EPA's records, 4 are health-based, and the most recent began in July 2020. For current results, consult EPA ECHO, or the CA state drinking water program.

Where can I find Cbuso Mission Bell's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cbuso Mission Bell is a non-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 Madera County

Water system	County	Population served	Type	Source
City of Madera	Madera	66,560	Community	Groundwater
Chowchilla City Water Dept	Madera	13,916	Community	Groundwater
Lupine Bass Lake	Madera	11,930	Transient non-community	Groundwater
Madera Valley Water Company	Madera	6,494	Community	Groundwater
Riverstone/Rootcreek Water District	Madera	5,507	Community	Groundwater
Yosemite Spring Park Util Co	Madera	5,300	Community	Groundwater

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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, “Cbuso Mission Bell, PWSID CA2000659, California”, https://aquacensus.com/water-systems/california/cbuso-mission-bell-ca2000659 (data as of October 1, 2026).