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Public water system · ID7190187

Active

Stanley Community Library

At a glance

Stanley Community Library (PWSID ID7190187) is an active transient non-community water system in Custer County, Idaho. It reports serving 40 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2023.

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

Population served

40

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDID7190187
System typeTransient non-community water system
Activity statusActive
Population served40
Service connections1
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyID state drinking water program
City servedStanley
StateIdaho
ZIP—
CountyCuster County

How does Stanley Community Library compare with other water systems in Custer County?

By EPA's size categories, Stanley Community Library is a very small system (500 people or fewer). Custer County has 57 active public water systems. Its population served is about 61% below the county average of 102 people per system, and accounts for 0.7% of the 5,823 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 Stanley Community Library 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. 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 Stanley Community Library?

EPA lists Stanley Community Library 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. 30 of the 57 active systems in Custer County (53%) are also privately owned.

Does Stanley Community Library have drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2023. The violations listed here began between October 2015 and January 2023. By type: 2 monitoring and reporting, 2 monitoring and 2 contaminant level above the legal limit. The contaminant or rule involved most often is Revised Total Coliform Rule (3 of them). EPA lists 4 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.

BeganViolationContaminant or ruleHealth-basedStatus
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2019-10-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2019-09-01Monitoring and reportingFailure to Conduct Assessment Monitoring · code 19E. colicode 3014NoArchived
2017-05-01MonitoringMonitoring, Additional Routine (RTCR) · code 3BRevised Total Coliform Rulecode 8000NoResolved
2017-03-01Contaminant level above the legal limitMaximum Contaminant Level Violation, E. coli (RTCR) · code 1ARevised Total Coliform Rulecode 8000YesResolved
2015-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Monthly (TCR) · code 22Total coliform bacteria (TCR)code 3100YesArchived

All 6 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.

Stanley Community Library: frequently asked questions

Who runs Stanley Community Library?

Stanley Community Library (PWSID ID7190187) is a transient non-community water system privately owned. It is regulated by the ID state drinking water program.

How many people does Stanley Community Library serve?

Stanley Community Library reports serving 40 people through 1 service connection in Custer County, Idaho.

Where does Stanley Community Library 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 Stanley Community Library have any drinking water violations?

EPA's records list 6 violations for this system; 2 are health-based, and the most recent began in January 2023. 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 Stanley Community Library'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 6 violations for this system; 2 are health-based, and the most recent began in January 2023. For current results, consult EPA ECHO, or the ID state drinking water program.

Where can I find Stanley Community Library's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Stanley Community Library 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 Custer County

Water systemCountyPopulation servedTypeSource
Challis City ofCuster900CommunitySurface water
Mackay City ofCuster566CommunityGroundwater
Blm Joe T FalliniCuster540Transient non-communityGroundwater
Usfs Fishook WellCuster460Transient non-communityGroundwater
Usfs Glacier View CampgroundCuster314Transient non-communityGroundwater
Mountain Village Lodge and RestaurantCuster225Transient 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, “Stanley Community Library, PWSID ID7190187, Idaho”, https://aquacensus.com/water-systems/idaho/stanley-community-library-id7190187 (data as of October 1, 2026).