Skip to content
AquaCensus

Public water system · CA3510012

Active

Cienega Winery

At a glance

Cienega Winery (PWSID CA3510012) is an active transient non-community water system in San Benito County, California. It reports serving 50 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

50

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDCA3510012
System typeTransient non-community water system
Activity statusActive
Population served50
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyCA state drinking water program
City served—
StateCalifornia
ZIP—
CountySan Benito County

How does Cienega Winery compare with other water systems in San Benito County?

By EPA's size categories, Cienega Winery 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 less than 0.1% 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 transient non-community water system reports serving 144 people, so Cienega Winery is about 65% 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 Cienega Winery?

EPA lists Cienega Winery 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 Cienega Winery 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 Cienega Winery. For the latest compliance status, check EPA ECHO for current compliance history.

Cienega Winery: frequently asked questions

Who runs Cienega Winery?

Cienega Winery (PWSID CA3510012) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.

How many people does Cienega Winery serve?

Cienega Winery reports serving 50 people through 1 service connection in San Benito County, California.

Where does Cienega Winery 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 Cienega Winery have any drinking water violations?

EPA's Safe Drinking Water Act records list no violations for this system.

Is Cienega Winery'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 Cienega Winery's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Cienega Winery 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 San Benito County

Water systemCountyPopulation servedTypeSource
Hollister, City ofSan Benito26,017CommunityPurchased surface water
Sunnyslope County Water DistSan Benito24,954CommunityPurchased surface water
33rd District Agricultural AssociationSan Benito9,000Transient non-communityGroundwater
San Benito High SchoolSan Benito3,310Non-transient non-communityGroundwater
Aromas Water DistrictSan Benito2,988CommunityGroundwater
San Juan Bautista, City ofSan Benito2,335CommunityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Cienega Winery, PWSID CA3510012, California”, https://aquacensus.com/water-systems/california/cienega-winery-ca3510012 (data as of October 1, 2026).