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Public water system · ID7300071

Active

Usfs Corn Creek Boat Ramp

At a glance

Usfs Corn Creek Boat Ramp (PWSID ID7300071) is an active transient non-community water system in Lemhi County, Idaho. It reports serving 70 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by the federal government. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 2018.

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

Population served

70

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDID7300071
System typeTransient non-community water system
Activity statusActive
Population served70
Service connections1
Primary water sourceGroundwater
Owner typeFederal government
Primacy agencyID state drinking water program
City served—
StateIdaho
ZIP—
CountyLemhi County

How does Usfs Corn Creek Boat Ramp compare with other water systems in Lemhi County?

By EPA's size categories, Usfs Corn Creek Boat Ramp is a very small system (500 people or fewer). Lemhi County has 42 active public water systems. Its population served is about half of the county average of 138 people per system, and accounts for 1.2% of the 5,780 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 Corn Creek Boat Ramp is about half of 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 Corn Creek Boat Ramp?

EPA lists Usfs Corn Creek Boat Ramp 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. 15 of the 42 active systems in Lemhi County (36%) are also owned by the federal government.

Does Usfs Corn Creek Boat Ramp have drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 2018. The violations listed here began between January 2002 and June 2018. By type: 7 monitoring and reporting, 3 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Total coliform bacteria (TCR) (5 of them). EPA lists 6 as archived and 6 as resolved. 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. 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.

BeganViolationContaminant or ruleHealth-basedStatus
2018-06-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoArchived
2017-08-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2016-09-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2013-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2011-07-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2011-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2009-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2006-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2005-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
2004-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived
2003-10-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived
2002-01-01Monitoring and reportingMonitoring, Routine Major (TCR) · code 23Total coliform bacteria (TCR)code 3100NoArchived

The 12 most recent 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 Corn Creek Boat Ramp: frequently asked questions

Who runs Usfs Corn Creek Boat Ramp?

Usfs Corn Creek Boat Ramp (PWSID ID7300071) 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 Corn Creek Boat Ramp serve?

Usfs Corn Creek Boat Ramp reports serving 70 people through 1 service connection in Lemhi County, Idaho.

Where does Usfs Corn Creek Boat Ramp 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 Corn Creek Boat Ramp have any drinking water violations?

Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 2018. 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 Corn Creek Boat Ramp'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. Of the 12 most recent violations in EPA's records, 2 are health-based, and the most recent began in June 2018. For current results, consult EPA ECHO, or the ID state drinking water program.

Where can I find Usfs Corn Creek Boat Ramp's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Usfs Corn Creek Boat Ramp 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 Lemhi County

Water systemCountyPopulation servedTypeSource
Salmon City ofLemhi3,158CommunitySurface water
Lemhi (Salmon) LDS ChapelLemhi203Transient non-communityGroundwater
Elk Bend Unit 1Lemhi200CommunityGroundwater
Williams Lake SubdLemhi200Transient non-communityGroundwater
LDS Church LeadoreLemhi151Transient non-communityGroundwater
Lemhi County FairgroundsLemhi150Transient non-communityGroundwater

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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 Corn Creek Boat Ramp, PWSID ID7300071, Idaho”, https://aquacensus.com/water-systems/idaho/usfs-corn-creek-boat-ramp-id7300071 (data as of October 1, 2026).