Public water system · CA2703132
ActiveEmerald Valley-Zabala Ws
At a glance
Emerald Valley-Zabala Ws (PWSID CA2703132) is an active non-transient non-community water system in Monterey County, California. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2020.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
40
Service connections
1
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Emerald Valley-Zabala Ws compare with other water systems in Monterey County?
By EPA's size categories, Emerald Valley-Zabala Ws is a very small system (500 people or fewer). Monterey County has 307 active public water systems. Its population served is well below the county average of 1,552 people per system, and accounts for less than 0.1% of the 476,419 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 Emerald Valley-Zabala Ws 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 Emerald Valley-Zabala Ws?
EPA lists Emerald Valley-Zabala Ws 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. 266 of the 307 active systems in Monterey County (87%) are also privately owned.
Does Emerald Valley-Zabala Ws have drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 2020. By type: 1 monitoring and reporting. The contaminant or rule involved is Lead and Copper Rule. EPA lists 1 as unaddressed. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2020-01-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Unaddressed |
The one violation in EPA's records.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.
Emerald Valley-Zabala Ws: frequently asked questions
Who runs Emerald Valley-Zabala Ws?
Emerald Valley-Zabala Ws (PWSID CA2703132) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Emerald Valley-Zabala Ws serve?
Emerald Valley-Zabala Ws reports serving 40 people through 1 service connection in Monterey County, California.
Where does Emerald Valley-Zabala Ws 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 Emerald Valley-Zabala Ws have any drinking water violations?
EPA's records list one violation for this system; it is not health-based, and the most recent began in January 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 Emerald Valley-Zabala Ws' 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 one violation for this system; it is not health-based, and the most recent began in January 2020. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Emerald Valley-Zabala Ws' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Emerald Valley-Zabala Ws 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 Monterey County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Cwsc Salinas | Monterey | 123,679 | Community | Groundwater |
| Cal Am Water Company - Monterey | Monterey | 92,450 | Community | Groundwater under influence of surface water |
| Alco Water Service | Monterey | 56,253 | Community | Groundwater |
| Marina Coast Water District | Monterey | 38,377 | Community | Groundwater |
| Soledad, City of | Monterey | 19,455 | Community | Groundwater |
| Greenfield, City of | Monterey | 18,967 | 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, “Emerald Valley-Zabala Ws, PWSID CA2703132, California”, https://aquacensus.com/water-systems/california/emerald-valley-zabala-ws-ca2703132 (data as of October 1, 2026).