Public water system · CA1010057
ActiveFresno Clovis Rwrf Water System
At a glance
Fresno Clovis Rwrf Water System (PWSID CA1010057) is an active non-transient non-community water system in Fresno County, California. It reports serving 190 people through 14 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 December 2024.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
190
Service connections
14
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Fresno Clovis Rwrf Water System compare with other water systems in Fresno County?
By EPA's size categories, Fresno Clovis Rwrf Water System 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 non-transient non-community water system reports serving 430 people, so Fresno Clovis Rwrf Water System is about 56% 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 Fresno Clovis Rwrf Water System?
EPA lists Fresno Clovis Rwrf Water System 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 Fresno Clovis Rwrf Water System have drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 2024. The violations listed here began between October 2004 and December 2024. By type: 2 monitoring and reporting and 1 monitoring. The contaminants or rules involved are Revised Total Coliform Rule, Total trihalomethanes (TTHM) and Haloacetic acids (HAA5). EPA lists 2 as resolved and 1 as archived. 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. 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.
| Began | Violation | Contaminant or rule | Health-based | Status |
|---|---|---|---|---|
| 2024-12-01 | MonitoringMonitoring, Routine (RTCR) · code 3A | Revised Total Coliform Rulecode 8000 | No | Archived |
| 2004-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Total trihalomethanes (TTHM)code 2950 | No | Resolved |
| 2004-10-01 | Monitoring and reportingMonitoring and Reporting (DBP) · code 27 | Haloacetic acids (HAA5)code 2456 | 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.
Fresno Clovis Rwrf Water System: frequently asked questions
Who runs Fresno Clovis Rwrf Water System?
Fresno Clovis Rwrf Water System (PWSID CA1010057) is a non-transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Fresno Clovis Rwrf Water System serve?
Fresno Clovis Rwrf Water System reports serving 190 people through 14 service connections in Fresno County, California.
Where does Fresno Clovis Rwrf Water System 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 Fresno Clovis Rwrf Water System have any drinking water violations?
EPA's records list 3 violations for this system; none is health-based, and the most recent began in December 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 Fresno Clovis Rwrf Water System'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 records list 3 violations for this system; none is health-based, and the most recent began in December 2024. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Fresno Clovis Rwrf Water System's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Fresno Clovis Rwrf Water System 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 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, “Fresno Clovis Rwrf Water System, PWSID CA1010057, California”, https://aquacensus.com/water-systems/california/fresno-clovis-rwrf-water-system-ca1010057 (data as of October 1, 2026).