Public water system · CA2400231
ActiveJohn B. Sanfilippo & Son, Inc..
At a glance
John B. Sanfilippo & Son, Inc.. (PWSID CA2400231) is an active non-transient non-community water system in Merced County, California. It reports serving 120 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2023.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
120
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does John B. Sanfilippo & Son, Inc.. compare with other water systems in Merced County?
By EPA's size categories, John B. Sanfilippo & Son, Inc.. is a very small system (500 people or fewer). Merced County has 120 active public water systems. Its population served is well below the county average of 2,228 people per system, and accounts for less than 0.1% of the 267,324 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 John B. Sanfilippo & Son, Inc.. is well below 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 John B. Sanfilippo & Son, Inc..?
EPA lists John B. Sanfilippo & Son, Inc.. 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. 80 of the 120 active systems in Merced County (67%) are also privately owned.
Does John B. Sanfilippo & Son, Inc.. have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2023. The violations listed here began between January 2018 and October 2023. By type: 1 monitoring and reporting and 1 contaminant level above the legal limit. The contaminants or rules involved are Lead and Copper Rule and Nitrate. EPA lists 2 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 |
|---|---|---|---|---|
| 2023-10-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2018-01-01 | Contaminant level above the legal limitMaximum Contaminant Level Violation, Single Sample · code 01 | Nitratecode 1040 | Yes | 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.
John B. Sanfilippo & Son, Inc..: frequently asked questions
Who runs John B. Sanfilippo & Son, Inc..?
John B. Sanfilippo & Son, Inc.. (PWSID CA2400231) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does John B. Sanfilippo & Son, Inc.. serve?
John B. Sanfilippo & Son, Inc.. reports serving 120 people through 1 service connection in Merced County, California.
Where does John B. Sanfilippo & Son, Inc.. 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 John B. Sanfilippo & Son, Inc.. have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in October 2023. 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 John B. Sanfilippo & Son, Inc..'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; 1 is health-based, and the most recent began in October 2023. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find John B. Sanfilippo & Son, Inc..'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. John B. Sanfilippo & Son, Inc.. 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 Merced County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Merced | Merced | 93,692 | Community | Groundwater |
| City of Los Banos | Merced | 47,419 | Community | Groundwater |
| City of Atwater | Merced | 29,479 | Community | Groundwater |
| City of Livingston | Merced | 14,894 | Community | Groundwater |
| Winton Water & Sanitary Dist | Merced | 9,745 | Community | Groundwater |
| Delhi Cwd | Merced | 7,784 | 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, “John B. Sanfilippo & Son, Inc.., PWSID CA2400231, California”, https://aquacensus.com/water-systems/california/john-b-sanfilippo-son-inc-ca2400231 (data as of October 1, 2026).