Public water system · CA3902215
ActiveMcmanis Family Vineyards Inc..
At a glance
Mcmanis Family Vineyards Inc.. (PWSID CA3902215) is an active non-transient non-community water system in San Joaquin County, California. It reports serving 100 people through 7 service connections. Its primary water source is groundwater, 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
100
Service connections
7
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Mcmanis Family Vineyards Inc.. compare with other water systems in San Joaquin County?
By EPA's size categories, Mcmanis Family Vineyards Inc.. is a very small system (500 people or fewer). San Joaquin County has 302 active public water systems. Its population served is well below the county average of 2,571 people per system, and accounts for less than 0.1% of the 776,334 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 Mcmanis Family Vineyards 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 Mcmanis Family Vineyards Inc..?
EPA lists Mcmanis Family Vineyards 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. 225 of the 302 active systems in San Joaquin County (75%) are also privately owned.
Does Mcmanis Family Vineyards Inc.. 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 Mcmanis Family Vineyards Inc... For the latest compliance status, check EPA ECHO for current compliance history.
Mcmanis Family Vineyards Inc..: frequently asked questions
Who runs Mcmanis Family Vineyards Inc..?
Mcmanis Family Vineyards Inc.. (PWSID CA3902215) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Mcmanis Family Vineyards Inc.. serve?
Mcmanis Family Vineyards Inc.. reports serving 100 people through 7 service connections in San Joaquin County, California.
Where does Mcmanis Family Vineyards 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 Mcmanis Family Vineyards Inc.. have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Mcmanis Family Vineyards 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 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 Mcmanis Family Vineyards Inc..'s water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Mcmanis Family Vineyards 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 San Joaquin County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Stockton | San Joaquin | 191,302 | Community | Surface water |
| California Water Service - Stockton | San Joaquin | 176,266 | Community | Purchased surface water |
| Tracy, City of | San Joaquin | 96,609 | Community | Surface water |
| Manteca, City of | San Joaquin | 84,928 | Community | Purchased surface water |
| Lodi, City of | San Joaquin | 68,272 | Community | Surface water |
| City of Lathrop | San Joaquin | 35,080 | 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, “Mcmanis Family Vineyards Inc.., PWSID CA3902215, California”, https://aquacensus.com/water-systems/california/mcmanis-family-vineyards-inc-ca3902215 (data as of October 1, 2026).