Public water system · CA4300979
ActiveQuail Creek Estates Mutual Water Company
At a glance
Quail Creek Estates Mutual Water Company (PWSID CA4300979) is an active community water system in Santa Clara County, California. It reports serving 55 people through 39 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
55
Service connections
39
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Quail Creek Estates Mutual Water Company compare with other water systems in Santa Clara County?
By EPA's size categories, Quail Creek Estates Mutual Water Company is a very small system (500 people or fewer). Santa Clara County has 121 active public water systems. Its population served is well below the county average of 17,334 people per system, and accounts for less than 0.1% of the 2,097,447 people reported by systems filed under the county. Across California, the 7,479 active systems average 5,706 people each. Nationally, the average active community water system reports serving 6,703 people, so Quail Creek Estates Mutual Water Company is well below that figure.
What does “community water system” mean?
A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. California has 2,997 active 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 Quail Creek Estates Mutual Water Company?
EPA lists Quail Creek Estates Mutual Water Company 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. 82 of the 121 active systems in Santa Clara County (68%) are also privately owned.
Does Quail Creek Estates Mutual Water Company 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 Quail Creek Estates Mutual Water Company. For the latest compliance status, check EPA ECHO for current compliance history.
Quail Creek Estates Mutual Water Company: frequently asked questions
Who runs Quail Creek Estates Mutual Water Company?
Quail Creek Estates Mutual Water Company (PWSID CA4300979) is a community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Quail Creek Estates Mutual Water Company serve?
Quail Creek Estates Mutual Water Company reports serving 55 people through 39 service connections in Santa Clara County, California.
Where does Quail Creek Estates Mutual Water Company 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 Quail Creek Estates Mutual Water Company have any drinking water violations?
EPA's Safe Drinking Water Act records list no violations for this system.
Is Quail Creek Estates Mutual Water Company'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 the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Quail Creek Estates Mutual Water Company's water quality report?
As a community water system, Quail Creek Estates Mutual Water Company must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.
Other water systems in Santa Clara County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| San Jose Water | Santa Clara | 1,039,920 | Community | Surface water |
| City of Sunnyvale | Santa Clara | 157,566 | Community | Purchased surface water |
| City of Santa Clara | Santa Clara | 130,746 | Community | Purchased surface water |
| Great Oaks Wc Inc. | Santa Clara | 110,088 | Community | Groundwater |
| City of San Jose - Evg/Edv/Coy | Santa Clara | 101,265 | Community | Purchased surface water |
| City of Milpitas | Santa Clara | 81,773 | 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, “Quail Creek Estates Mutual Water Company, PWSID CA4300979, California”, https://aquacensus.com/water-systems/california/quail-creek-estates-mutual-water-company-ca4300979 (data as of October 1, 2026).