Public water system · CA5700754
ActiveThe Maples
At a glance
The Maples (PWSID CA5700754) is an active non-transient non-community water system in Yolo County, California. It reports serving 200 people through 3 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
200
Service connections
3
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does The Maples compare with other water systems in Yolo County?
By EPA's size categories, The Maples is a very small system (500 people or fewer). Yolo County has 88 active public water systems. Its population served is well below the county average of 2,951 people per system, and accounts for less than 0.1% of the 259,714 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 The Maples is about half of 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 The Maples?
EPA lists The Maples 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. 69 of the 88 active systems in Yolo County (78%) are also privately owned.
Does The Maples have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2024. The violations listed here began between October 2018 and June 2024. By type: 2 monitoring and 1 monitoring and reporting. The contaminant or rule involved most often is Revised Total Coliform Rule (2 of them). EPA lists 3 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 |
|---|---|---|---|---|
| 2024-06-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
| 2022-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2018-10-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Resolved |
All 3 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.
The Maples: frequently asked questions
Who runs The Maples?
The Maples (PWSID CA5700754) is a non-transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does The Maples serve?
The Maples reports serving 200 people through 3 service connections in Yolo County, California.
Where does The Maples 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 The Maples have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in June 2024. 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 The Maples' 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 3 violations for this system; none is health-based, and the most recent began in June 2024. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find The Maples' water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. The Maples 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 Yolo County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Davis | Yolo | 67,457 | Community | Purchased surface water |
| City of Woodland | Yolo | 61,462 | Community | Purchased surface water |
| City of West Sacramento | Yolo | 53,355 | Community | Surface water |
| Uc - Davis | Yolo | 49,616 | Community | Purchased surface water |
| City of Winters | Yolo | 7,115 | Community | Groundwater |
| Esparto C.S.D. | Yolo | 3,574 | 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, “The Maples, PWSID CA5700754, California”, https://aquacensus.com/water-systems/california/the-maples-ca5700754 (data as of October 1, 2026).