Public water system · ID6150047
ActiveBlackfoot Harbor
At a glance
Blackfoot Harbor (PWSID ID6150047) is an active transient non-community water system in Caribou County, Idaho. It reports serving 100 people through 50 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2009.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
100
Service connections
50
Primary source
GW
Groundwater
System type
TNCWS
Transient non-community water system
System record
How does Blackfoot Harbor compare with other water systems in Caribou County?
By EPA's size categories, Blackfoot Harbor is a very small system (500 people or fewer). Caribou County has 15 active public water systems. Its population served is well below the county average of 397 people per system, and accounts for 1.7% of the 5,954 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active transient non-community water system reports serving 144 people, so Blackfoot Harbor is about 31% 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. Idaho has 954 active transient non-community water systems, 49% of the state's 1,961 active systems. Groundwater means the system draws its water from wells or springs fed by underground aquifers. 1,861 Idaho systems (95%) list groundwater as their primary source.
Who owns and regulates Blackfoot Harbor?
EPA lists Blackfoot Harbor as privately owned. The ID state drinking water program is its primacy agency, the regulator with primary enforcement responsibility for the system under the Safe Drinking Water Act. 10 of the 15 active systems in Caribou County (67%) are also privately owned.
Does Blackfoot Harbor have drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2009. The violations listed here began between July 2007 and October 2009. By type: 2 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (2 of them). EPA lists 2 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 |
|---|---|---|---|---|
| 2009-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 2007-07-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
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.
Blackfoot Harbor: frequently asked questions
Who runs Blackfoot Harbor?
Blackfoot Harbor (PWSID ID6150047) is a transient non-community water system privately owned. It is regulated by the ID state drinking water program.
How many people does Blackfoot Harbor serve?
Blackfoot Harbor reports serving 100 people through 50 service connections in Caribou County, Idaho.
Where does Blackfoot Harbor 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 Blackfoot Harbor have any drinking water violations?
EPA's records list 2 violations for this system; none is health-based, and the most recent began in October 2009. 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 Blackfoot Harbor'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 October 2009. For current results, consult EPA ECHO, or the ID state drinking water program.
Where can I find Blackfoot Harbor's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Blackfoot Harbor 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 Caribou County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Soda Springs City of | Caribou | 3,111 | Community | Groundwater |
| Grace City of | Caribou | 920 | Community | Groundwater |
| LDS Williams Ward Church | Caribou | 427 | Transient non-community | Groundwater |
| Bancroft City of | Caribou | 350 | Community | Groundwater |
| Itafos Conda LLC (Formerly Agrium) | Caribou | 350 | Non-transient non-community | Groundwater |
| Bailey Creek Property Owners Assn | Caribou | 250 | 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, “Blackfoot Harbor, PWSID ID6150047, Idaho”, https://aquacensus.com/water-systems/idaho/blackfoot-harbor-id6150047 (data as of October 1, 2026).