Public water system · CA1000039
ActiveFcsa 10 - Cumorah Knolls
At a glance
Fcsa 10 - Cumorah Knolls (PWSID CA1000039) is an active community water system in Fresno County, California. It reports serving 132 people through 47 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 1993.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
132
Service connections
47
Primary source
GW
Groundwater
System type
CWS
Community water system
System record
How does Fcsa 10 - Cumorah Knolls compare with other water systems in Fresno County?
By EPA's size categories, Fcsa 10 - Cumorah Knolls is a very small system (500 people or fewer). Fresno County has 328 active public water systems. Its population served is well below the county average of 3,205 people per system, and accounts for less than 0.1% 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 10 - Cumorah Knolls 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 10 - Cumorah Knolls?
EPA lists Fcsa 10 - Cumorah Knolls 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 10 - Cumorah Knolls have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 1993. The violations listed here began between October 1980 and July 1993. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (2 of them). EPA lists 2 as archived and 1 as resolved. Archived means the violation was not marked resolved but is more than five years past the end of the noncompliance period, so it no longer counts toward current compliance status. 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 |
|---|---|---|---|---|
| 1993-07-01 | Monitoring and reportingInitial Tap Sampling for Pb and Cu · code 51 | Lead and Copper Rulecode 5000 | No | Resolved |
| 1981-10-01 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
| 1980-10-30 | Monitoring and reportingMonitoring, Regular · code 03 | Gross alpha (excluding radon and uranium)code 4000 | No | Archived |
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.
Fcsa 10 - Cumorah Knolls: frequently asked questions
Who runs Fcsa 10 - Cumorah Knolls?
Fcsa 10 - Cumorah Knolls (PWSID CA1000039) 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 10 - Cumorah Knolls serve?
Fcsa 10 - Cumorah Knolls reports serving 132 people through 47 service connections in Fresno County, California.
Where does Fcsa 10 - Cumorah Knolls 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 10 - Cumorah Knolls have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in July 1993. 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 10 - Cumorah Knolls' 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 July 1993. 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 10 - Cumorah Knolls' water quality report?
As a community water system, Fcsa 10 - Cumorah Knolls 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 10 - Cumorah Knolls, PWSID CA1000039, California”, https://aquacensus.com/water-systems/california/fcsa-10-cumorah-knolls-ca1000039 (data as of October 1, 2026).