Public water system · CA3500926
ActiveT & A Onions
At a glance
T & A Onions (PWSID CA3500926) is an active non-transient non-community water system in San Benito County, California. It reports serving 165 people through 1 service connection. 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
165
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does T & A Onions compare with other water systems in San Benito County?
By EPA's size categories, T & A Onions is a very small system (500 people or fewer). San Benito County has 63 active public water systems. Its population served is well below the county average of 1,312 people per system, and accounts for 0.2% of the 82,670 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 T & A Onions is about 62% 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 T & A Onions?
EPA lists T & A Onions 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. 46 of the 63 active systems in San Benito County (73%) are also privately owned.
Does T & A Onions 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 T & A Onions. For the latest compliance status, check EPA ECHO for current compliance history.
T & A Onions: frequently asked questions
Who runs T & A Onions?
T & A Onions (PWSID CA3500926) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does T & A Onions serve?
T & A Onions reports serving 165 people through 1 service connection in San Benito County, California.
Where does T & A Onions 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 T & A Onions have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is T & A Onions' 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 T & A Onions' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. T & A Onions 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 Benito County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Hollister, City of | San Benito | 26,017 | Community | Purchased surface water |
| Sunnyslope County Water Dist | San Benito | 24,954 | Community | Purchased surface water |
| 33rd District Agricultural Association | San Benito | 9,000 | Transient non-community | Groundwater |
| San Benito High School | San Benito | 3,310 | Non-transient non-community | Groundwater |
| Aromas Water District | San Benito | 2,988 | Community | Groundwater |
| San Juan Bautista, City of | San Benito | 2,335 | 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, “T & A Onions, PWSID CA3500926, California”, https://aquacensus.com/water-systems/california/t-a-onions-ca3500926 (data as of October 1, 2026).