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Public water system · ID5070061

Active

Usfs Alturas Lake Water System

At a glance

Usfs Alturas Lake Water System (PWSID ID5070061) is an active transient non-community water system in Blaine County, Idaho. It reports serving 202 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 1999.

Dataset updated . Source: EPA SDWIS/ECHO public records.

Population served

202

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDID5070061
System typeTransient non-community water system
Activity statusActive
Population served202
Service connections1
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyID state drinking water program
City served—
StateIdaho
ZIP—
CountyBlaine County

How does Usfs Alturas Lake Water System compare with other water systems in Blaine County?

By EPA's size categories, Usfs Alturas Lake Water System is a very small system (500 people or fewer). Blaine County has 43 active public water systems. Its population served is about 63% below the county average of 552 people per system, and accounts for 0.9% of the 23,727 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 Usfs Alturas Lake Water System is about 40% above 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 Usfs Alturas Lake Water System?

EPA lists Usfs Alturas Lake Water System 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. 7 of the 43 active systems in Blaine County (16%) are also owned by the federal government.

Does Usfs Alturas Lake Water System have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 1999. The violations listed here began between July 1993 and September 1999. By type: 3 monitoring and reporting. The contaminant or rule involved most often is Total coliform bacteria (TCR) (3 of them). EPA lists 3 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.

BeganViolationContaminant or ruleHealth-basedStatus
1999-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1996-09-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
1993-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

All 3 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.

Usfs Alturas Lake Water System: frequently asked questions

Who runs Usfs Alturas Lake Water System?

Usfs Alturas Lake Water System (PWSID ID5070061) is a transient non-community water system owned by the federal government. It is regulated by the ID state drinking water program.

How many people does Usfs Alturas Lake Water System serve?

Usfs Alturas Lake Water System reports serving 202 people through 1 service connection in Blaine County, Idaho.

Where does Usfs Alturas Lake Water System 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 Usfs Alturas Lake Water System have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in September 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 Usfs Alturas Lake Water System'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 3 violations for this system; none is health-based, and the most recent began in September 1999. For current results, consult EPA ECHO, or the ID state drinking water program.

Where can I find Usfs Alturas Lake Water System's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Usfs Alturas Lake Water System 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 Blaine County

Water systemCountyPopulation servedTypeSource
Hailey Water and SewerBlaine8,000CommunityGroundwater
Ketchum City ofBlaine3,555CommunityGroundwater
Sun Valley Water and Sewer DistBlaine3,400CommunityGroundwater
Bellevue City ofBlaine2,747CommunityGroundwater
Bald MountainBlaine1,000Transient non-communityGroundwater
Carey Water and SewerBlaine993CommunityGroundwater

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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, “Usfs Alturas Lake Water System, PWSID ID5070061, Idaho”, https://aquacensus.com/water-systems/idaho/usfs-alturas-lake-water-system-id5070061 (data as of October 1, 2026).