Public water system · CA1000020
ActiveFcsa 01 - Tamarack
At a glance
Fcsa 01 - Tamarack (PWSID CA1000020) is an active transient non-community water system in Fresno County, California. It reports serving 106 people through 38 service connections. Its primary water source is groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2012.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
106
Service connections
38
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Fcsa 01 - Tamarack compare with other water systems in Fresno County?
By EPA's size categories, Fcsa 01 - Tamarack 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 transient non-community water system reports serving 144 people, so Fcsa 01 - Tamarack is about 26% below that figure.
What does “transient non-community water system” mean?
A transient non-community water system serves places where people do not stay long, such as gas stations and campgrounds, and regularly serves at least 25 people a day for at least 60 days a year. California has 3,016 active transient non-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 01 - Tamarack?
EPA lists Fcsa 01 - Tamarack 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 01 - Tamarack have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2012. The violations listed here began between August 2011 and January 2012. By type: 2 monitoring and reporting. The contaminants or rules involved are Nitrate and Total coliform bacteria (TCR). EPA lists 2 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 |
|---|---|---|---|---|
| 2012-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 2011-08-01 | Monitoring and reportingMonitoring, Repeat Major (TCR) · code 25 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
All 2 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 01 - Tamarack: frequently asked questions
Who runs Fcsa 01 - Tamarack?
Fcsa 01 - Tamarack (PWSID CA1000020) is a transient non-community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Fcsa 01 - Tamarack serve?
Fcsa 01 - Tamarack reports serving 106 people through 38 service connections in Fresno County, California.
Where does Fcsa 01 - Tamarack 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 01 - Tamarack have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in January 2012. 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 01 - Tamarack'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 2 violations for this system; none is health-based, and the most recent began in January 2012. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Fcsa 01 - Tamarack's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Fcsa 01 - Tamarack is a 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, “Fcsa 01 - Tamarack, PWSID CA1000020, California”, https://aquacensus.com/water-systems/california/fcsa-01-tamarack-ca1000020 (data as of October 1, 2026).