Public water system · CA1010055
ActiveFcsa 47 - Quail Lake Estates
At a glance
Fcsa 47 - Quail Lake Estates (PWSID CA1010055) is an active community water system in Fresno County, California. It reports serving 1,988 people through 709 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2007.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,988
Service connections
709
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Fcsa 47 - Quail Lake Estates compare with other water systems in Fresno County?
By EPA's size categories, Fcsa 47 - Quail Lake Estates is a small system (501 to 3,300 people). Fresno County has 328 active public water systems. Its population served is about 38% below the county average of 3,205 people per system, and accounts for 0.2% of the 1,051,276 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 Fcsa 47 - Quail Lake Estates 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 Fcsa 47 - Quail Lake Estates?
EPA lists Fcsa 47 - Quail Lake Estates as owned by a local government. 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. 89 of the 328 active systems in Fresno County (27%) are also owned by a local government.
Does Fcsa 47 - Quail Lake Estates have drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2007. The violations listed here began between January 1996 and July 2007. By type: 6 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Lead and Copper Rule (3 of them). EPA lists 7 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 |
|---|---|---|---|---|
| 2007-07-01 | Public notice, recordkeeping or otherConsumer Confidence Report Complete Failure to Report · code 71 | Consumer Confidence Rulecode 7000 | No | Resolved |
| 2007-01-01 | Monitoring and reportingFollow-up Or Routine LCR Tap M/R · code 52 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2005-04-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Alachlor (Lasso)code 2051 | No | Resolved |
| 2002-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Atrazinecode 2050 | No | Resolved |
| 2001-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Radium-228code 4030 | No | Resolved |
| 1996-01-02 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
All 7 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.
Fcsa 47 - Quail Lake Estates: frequently asked questions
Who runs Fcsa 47 - Quail Lake Estates?
Fcsa 47 - Quail Lake Estates (PWSID CA1010055) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Fcsa 47 - Quail Lake Estates serve?
Fcsa 47 - Quail Lake Estates reports serving 1,988 people through 709 service connections in Fresno County, California.
Where does Fcsa 47 - Quail Lake Estates 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 Fcsa 47 - Quail Lake Estates have any drinking water violations?
EPA's records list 7 violations for this system; none is health-based, and the most recent began in July 2007. 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 Fcsa 47 - Quail Lake Estates' 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 7 violations for this system; none is health-based, and the most recent began in July 2007. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Fcsa 47 - Quail Lake Estates' water quality report?
As a community water system, Fcsa 47 - Quail Lake Estates 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 Fresno County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Fresno | Fresno | 545,716 | Community | Surface water |
| City of Clovis | Fresno | 130,130 | Community | Surface water |
| California State University Fresno | Fresno | 41,000 | Community | Groundwater |
| Cws - Selma | Fresno | 26,517 | Community | Groundwater |
| City of Sanger | Fresno | 26,357 | Community | Groundwater |
| Reedley, City of | Fresno | 26,076 | 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, “Fcsa 47 - Quail Lake Estates, PWSID CA1010055, California”, https://aquacensus.com/water-systems/california/fcsa-47-quail-lake-estates-ca1010055 (data as of October 1, 2026).