Public water system · CA1210020
ActiveFieldbrook Glendale C.S.D.
At a glance
Fieldbrook Glendale C.S.D. (PWSID CA1210020) is an active community water system in Humboldt County, California. It reports serving 1,845 people through 557 service connections. Its primary water source is purchased groundwater, and EPA lists it as owned by a local government. EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in July 2025.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
1,845
Service connections
557
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Fieldbrook Glendale C.S.D. compare with other water systems in Humboldt County?
By EPA's size categories, Fieldbrook Glendale C.S.D. is a small system (501 to 3,300 people). Humboldt County has 90 active public water systems. Its population served is about 24% above the county average of 1,486 people per system, and accounts for 1.4% of the 133,779 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 Fieldbrook Glendale C.S.D. 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. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own. 76 California systems (1%) list purchased groundwater as their primary source.
Who owns and regulates Fieldbrook Glendale C.S.D.?
EPA lists Fieldbrook Glendale C.S.D. 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. 33 of the 90 active systems in Humboldt County (37%) are also owned by a local government.
Does Fieldbrook Glendale C.S.D. have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in July 2025. The violations listed here began between June 1993 and July 2025. By type: 1 reporting and 1 required treatment not met. The contaminants or rules involved are Lead and Copper Rule Revisions and Surface Water Treatment Rule. EPA lists 1 as unaddressed and 1 as resolved. Unaddressed means the violation is not resolved or archived and is not yet covered by formal enforcement. 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 |
|---|---|---|---|---|
| 2025-07-02 | ReportingNotification, Known or Potential LSL · code 4H | Lead and Copper Rule Revisionscode 5200 | No | Unaddressed |
| 1993-06-01 | Required treatment not metTreatment Technique (SWTR and GWR) · code 41 | Surface Water Treatment Rulecode 0200 | Yes | 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.
Fieldbrook Glendale C.S.D.: frequently asked questions
Who runs Fieldbrook Glendale C.S.D.?
Fieldbrook Glendale C.S.D. (PWSID CA1210020) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Fieldbrook Glendale C.S.D. serve?
Fieldbrook Glendale C.S.D. reports serving 1,845 people through 557 service connections in Humboldt County, California.
Where does Fieldbrook Glendale C.S.D. get its water?
EPA SDWIS lists this system's primary water source as purchased groundwater. Purchased groundwater means the system buys groundwater from another public water system rather than drawing its own.
Does Fieldbrook Glendale C.S.D. have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in July 2025. 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 Fieldbrook Glendale C.S.D.'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; 1 is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Fieldbrook Glendale C.S.D.'s water quality report?
As a community water system, Fieldbrook Glendale C.S.D. 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 Humboldt County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Eureka, City of | Humboldt | 27,078 | Community | Purchased groundwater |
| Arcata, City of | Humboldt | 20,875 | Community | Purchased groundwater |
| Humboldt C.S.D. | Humboldt | 19,807 | Community | Groundwater |
| Mckinleyville C.S.D. | Humboldt | 16,900 | Community | Purchased groundwater |
| Fortuna, City of | Humboldt | 12,133 | Community | Groundwater |
| Rio Dell, City of | Humboldt | 3,300 | Community | 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, “Fieldbrook Glendale C.S.D., PWSID CA1210020, California”, https://aquacensus.com/water-systems/california/fieldbrook-glendale-c-s-d-ca1210020 (data as of October 1, 2026).