Public water system · ID6120008
ActiveInl Cfa
At a glance
Inl Cfa (PWSID ID6120008) is an active non-transient non-community water system in Butte County, Idaho. It reports serving 585 people through 37 service connections. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 1999.
Dataset updated . Source: EPA SDWIS/ECHO public records.
Population served
585
Service connections
37
Primary source
GW
Groundwater
System type
NTNCWS
Non-transient non-community water system
System record
How does Inl Cfa compare with other water systems in Butte County?
By EPA's size categories, Inl Cfa is a small system (501 to 3,300 people). Butte County has 15 active public water systems, and Inl Cfa is the 6th-largest of them by population served. Its population served is about 29% above the county average of 455 people per system, and accounts for 8.6% of the 6,817 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active non-transient non-community water system reports serving 430 people, so Inl Cfa is about 36% above that figure.
What does “non-transient non-community water system” mean?
A non-transient non-community water system regularly serves at least 25 of the same people for more than six months a year, but not where they live. Schools, factories, office buildings and hospitals with their own supply are typical examples. Idaho has 242 active non-transient non-community water systems, 12% 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 Inl Cfa?
EPA lists Inl Cfa as owned by the federal government. 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 Butte County (67%) are also owned by the federal government.
Does Inl Cfa have drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 1999. The violations listed here began between October 1992 and January 1999. By type: 4 monitoring and reporting. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 2 as resolved and 2 as archived. 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. 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 |
|---|---|---|---|---|
| 1999-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1996-01-01 | Monitoring and reportingMonitoring, Regular · code 03 | Nitratecode 1040 | No | Resolved |
| 1994-04-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
| 1992-10-01 | Monitoring and reportingMonitoring, Routine Major (TCR) · code 23 | Total coliform bacteria (TCR)code 3100 | No | Archived |
All 4 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.
Inl Cfa: frequently asked questions
Who runs Inl Cfa?
Inl Cfa (PWSID ID6120008) is a non-transient non-community water system owned by the federal government. It is regulated by the ID state drinking water program.
How many people does Inl Cfa serve?
Inl Cfa reports serving 585 people through 37 service connections in Butte County, Idaho.
Where does Inl Cfa 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 Inl Cfa have any drinking water violations?
EPA's records list 4 violations for this system; none is health-based, and the most recent began in January 1999. 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 Inl Cfa'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 4 violations for this system; none is health-based, and the most recent began in January 1999. For current results, consult EPA ECHO, or the ID state drinking water program.
Where can I find Inl Cfa's water quality report?
The annual Consumer Confidence Report requirement applies to community water systems. Inl Cfa is a non-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 Butte County
| Water system | County | Population served | Type | Source |
|---|---|---|---|---|
| Inl Nrf | Butte | 1,765 | Non-transient non-community | Groundwater |
| Arco City of | Butte | 1,080 | Community | Groundwater |
| Inl Intec | Butte | 866 | Non-transient non-community | Groundwater |
| Usps Craters of the Moon National Park | Butte | 616 | Transient non-community | Groundwater |
| Inl Atr Complex | Butte | 605 | Non-transient non-community | Groundwater |
| Inl Rwmc | Butte | 415 | Non-transient non-community | Groundwater |
Related pages
Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.
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, “Inl Cfa, PWSID ID6120008, Idaho”, https://aquacensus.com/water-systems/idaho/inl-cfa-id6120008 (data as of October 1, 2026).