Public water system · CA2500516
ActiveArrowhead Golf Course
At a glance
Arrowhead Golf Course (PWSID CA2500516) is an active transient non-community water system in Modoc County, California. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 8 violations for this system; none is health-based, and the most recent began in September 1984.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
25
Service connections
1
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Arrowhead Golf Course compare with other water systems in Modoc County?
By EPA's size categories, Arrowhead Golf Course is a very small system (500 people or fewer). Modoc County has 16 active public water systems. Its population served is well below the county average of 347 people per system, and accounts for 0.5% of the 5,554 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 Arrowhead Golf Course is well 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 Arrowhead Golf Course?
EPA lists Arrowhead Golf Course as privately owned. 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. 9 of the 16 active systems in Modoc County (56%) are also privately owned.
Does Arrowhead Golf Course have drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in September 1984. The violations listed here began between October 1980 and September 1984. By type: 6 public notice, recordkeeping or other and 2 monitoring and reporting. The contaminant or rule involved most often is Gross alpha (excluding radon and uranium) (2 of them). EPA lists 8 as archived. 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 |
|---|---|---|---|---|
| 1984-09-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-08-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1984-07-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1982-12-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1982-11-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 1982-10-01 | Public notice, recordkeeping or otherNotification, Public · code 06 | Not reported | No | Archived |
| 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 8 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.
Arrowhead Golf Course: frequently asked questions
Who runs Arrowhead Golf Course?
Arrowhead Golf Course (PWSID CA2500516) is a transient non-community water system privately owned. It is regulated by the CA state drinking water program.
How many people does Arrowhead Golf Course serve?
Arrowhead Golf Course reports serving 25 people through 1 service connection in Modoc County, California.
Where does Arrowhead Golf Course 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 Arrowhead Golf Course have any drinking water violations?
EPA's records list 8 violations for this system; none is health-based, and the most recent began in September 1984. 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 Arrowhead Golf Course'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 8 violations for this system; none is health-based, and the most recent began in September 1984. For current results, consult EPA ECHO, or the CA state drinking water program.
Where can I find Arrowhead Golf Course's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Arrowhead Golf Course 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 Modoc County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| City of Alturas | Modoc | 2,715 | Community | Groundwater |
| California Pines C.S.D. | Modoc | 862 | Community | Groundwater |
| Newell County Water District | Modoc | 629 | Community | Groundwater |
| Cedarville County Water Dist. | Modoc | 600 | Community | Groundwater |
| Mdf-Blue Lake Cg | Modoc | 200 | Transient non-community | Groundwater |
| Cal Fire-Devil'S Garden Camp | Modoc | 120 | Non-transient non-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, “Arrowhead Golf Course, PWSID CA2500516, California”, https://aquacensus.com/water-systems/california/arrowhead-golf-course-ca2500516 (data as of October 1, 2026).