Public water system · CA1210021
ActiveJacoby Creek Cwd
At a glance
Jacoby Creek Cwd (PWSID CA1210021) is an active community water system in Humboldt County, California. It reports serving 924 people through 330 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 September 2011.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
924
Service connections
330
Primary source
GWP
Purchased groundwater
System type
CWS
Community water system
System record
How does Jacoby Creek Cwd compare with other water systems in Humboldt County?
By EPA's size categories, Jacoby Creek Cwd is a small system (501 to 3,300 people). Humboldt County has 90 active public water systems. Its population served is about 38% below the county average of 1,486 people per system, and accounts for 0.7% 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 Jacoby Creek Cwd 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 Jacoby Creek Cwd?
EPA lists Jacoby Creek Cwd 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 Jacoby Creek Cwd have drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 2011. The violations listed here began between June 1993 and September 2011. By type: 1 monitoring and reporting and 1 required treatment not met. The contaminants or rules involved are Total coliform bacteria (TCR) and Surface Water Treatment Rule. 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 |
|---|---|---|---|---|
| 2011-09-01 | Monitoring and reportingMonitoring, Routine Minor (TCR) · code 24 | Total coliform bacteria (TCR)code 3100 | No | Resolved |
| 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.
Jacoby Creek Cwd: frequently asked questions
Who runs Jacoby Creek Cwd?
Jacoby Creek Cwd (PWSID CA1210021) is a community water system owned by a local government. It is regulated by the CA state drinking water program.
How many people does Jacoby Creek Cwd serve?
Jacoby Creek Cwd reports serving 924 people through 330 service connections in Humboldt County, California.
Where does Jacoby Creek Cwd 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 Jacoby Creek Cwd have any drinking water violations?
EPA's records list 2 violations for this system; 1 is health-based, and the most recent began in September 2011. 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 Jacoby Creek Cwd'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 September 2011. For current results, consult the system's annual water quality report, EPA ECHO, or the CA state drinking water program.
Where can I find Jacoby Creek Cwd's water quality report?
As a community water system, Jacoby Creek Cwd 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, “Jacoby Creek Cwd, PWSID CA1210021, California”, https://aquacensus.com/water-systems/california/jacoby-creek-cwd-ca1210021 (data as of October 1, 2026).