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Public water system · ID5070052

Active

Timmerman Hill Rest Area Itd

At a glance

Timmerman Hill Rest Area Itd (PWSID ID5070052) is an active transient non-community water system in Blaine County, Idaho. It reports serving 25 people through 1 service connection. Its primary water source is groundwater, and EPA lists it as owned by a state government. EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024.

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

Population served

25

Service connections

1

Primary source

GW

Groundwater

System type

TNCWS

Transient non-community water system

System record

PWSIDID5070052
System typeTransient non-community water system
Activity statusActive
Population served25
Service connections1
Primary water sourceGroundwater
Owner typeState government
Primacy agencyID state drinking water program
City served—
StateIdaho
ZIP—
CountyBlaine County

How does Timmerman Hill Rest Area Itd compare with other water systems in Blaine County?

By EPA's size categories, Timmerman Hill Rest Area Itd is a very small system (500 people or fewer). Blaine County has 43 active public water systems. Its population served is well below the county average of 552 people per system, and accounts for 0.1% 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 Timmerman Hill Rest Area Itd 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 Timmerman Hill Rest Area Itd?

EPA lists Timmerman Hill Rest Area Itd as owned by a state 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. 1 of the 43 active systems in Blaine County (2.3%) are also owned by a state government.

Does Timmerman Hill Rest Area Itd have drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. The violations listed here began between September 2022 and January 2024. By type: 2 monitoring and reporting and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Nitrate (2 of them). EPA lists 3 as resolved. 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
2024-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2023-01-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2022-09-19Public notice, recordkeeping or otherFailure to Consult with State · code 20Groundwater Rulecode 0700NoResolved

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.

Timmerman Hill Rest Area Itd: frequently asked questions

Who runs Timmerman Hill Rest Area Itd?

Timmerman Hill Rest Area Itd (PWSID ID5070052) is a transient non-community water system owned by a state government. It is regulated by the ID state drinking water program.

How many people does Timmerman Hill Rest Area Itd serve?

Timmerman Hill Rest Area Itd reports serving 25 people through 1 service connection in Blaine County, Idaho.

Where does Timmerman Hill Rest Area Itd 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 Timmerman Hill Rest Area Itd have any drinking water violations?

EPA's records list 3 violations for this system; none is health-based, and the most recent began in January 2024. 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 Timmerman Hill Rest Area Itd'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 January 2024. For current results, consult EPA ECHO, or the ID state drinking water program.

Where can I find Timmerman Hill Rest Area Itd's water quality report?

The annual Consumer Confidence Report requirement applies to community water systems. Timmerman Hill Rest Area Itd 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, “Timmerman Hill Rest Area Itd, PWSID ID5070052, Idaho”, https://aquacensus.com/water-systems/idaho/timmerman-hill-rest-area-itd-id5070052 (data as of October 1, 2026).