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Public water system · ID1090289

Active

Arrowhead Ranch Water Company LLC

At a glance

Arrowhead Ranch Water Company LLC (PWSID ID1090289) is an active community water system in Bonner County, Idaho. It reports serving 30 people through 13 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. EPA's records list 7 violations for this system; all are health-based, and the most recent began in April 2020.

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

Population served

30

Service connections

13

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDID1090289
System typeCommunity water system
Activity statusActive
Population served30
Service connections13
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyID state drinking water program
City served—
StateIdaho
ZIP—
CountyBonner County

How does Arrowhead Ranch Water Company LLC compare with other water systems in Bonner County?

By EPA's size categories, Arrowhead Ranch Water Company LLC is a very small system (500 people or fewer). Bonner County has 140 active public water systems. Its population served is well below the county average of 276 people per system, and accounts for less than 0.1% of the 38,696 people reported by systems filed under the county. Across Idaho, the 1,961 active systems average 899 people each. Nationally, the average active community water system reports serving 6,703 people, so Arrowhead Ranch Water Company LLC is well below that figure.

What does “community water system” mean?

A community water system serves at least 15 connections used by year-round residents, or regularly serves at least 25 year-round residents. Homes, apartments and mobile-home parks are served by these. Idaho has 765 active community water systems, 39% 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 Arrowhead Ranch Water Company LLC?

EPA lists Arrowhead Ranch Water Company LLC 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. 101 of the 140 active systems in Bonner County (72%) are also privately owned.

Does Arrowhead Ranch Water Company LLC have drinking water violations?

EPA's records list 7 violations for this system; all are health-based, and the most recent began in April 2020. The violations listed here began between July 2019 and April 2020. By type: 7 contaminant level above the legal limit. The contaminant or rule involved most often is Combined Uranium (4 of them). EPA lists 7 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
2020-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2020-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2020-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2020-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2019-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Gross alpha (excluding radon and uranium)code 4000YesResolved
2019-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2019-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved

All 7 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.

Arrowhead Ranch Water Company LLC: frequently asked questions

Who runs Arrowhead Ranch Water Company LLC?

Arrowhead Ranch Water Company LLC (PWSID ID1090289) is a community water system privately owned. It is regulated by the ID state drinking water program.

How many people does Arrowhead Ranch Water Company LLC serve?

Arrowhead Ranch Water Company LLC reports serving 30 people through 13 service connections in Bonner County, Idaho.

Where does Arrowhead Ranch Water Company LLC 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 Arrowhead Ranch Water Company LLC have any drinking water violations?

EPA's records list 7 violations for this system; all are health-based, and the most recent began in April 2020. 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 Arrowhead Ranch Water Company LLC'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 7 violations for this system; all are health-based, and the most recent began in April 2020. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.

Where can I find Arrowhead Ranch Water Company LLC's water quality report?

As a community water system, Arrowhead Ranch Water Company LLC must deliver an annual water quality report, called a Consumer Confidence Report, to its customers by July 1 each year, covering the previous calendar year. The system can provide a copy on request.

Other water systems in Bonner County

Water systemCountyPopulation servedTypeSource
Sandpoint Public Works DeptBonner12,284CommunitySurface water
Schweitzer Mountain ResortBonner3,301Non-transient non-communityGroundwater
Priest River City ofBonner2,173CommunitySurface water
Oden Water Assn Inc.Bonner1,524CommunitySurface water
Schweitzer Basin Water CompanyBonner955CommunityGroundwater
Stoneridge UtilitiesBonner940CommunityGroundwater

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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, “Arrowhead Ranch Water Company LLC, PWSID ID1090289, Idaho”, https://aquacensus.com/water-systems/idaho/arrowhead-ranch-water-company-llc-id1090289 (data as of October 1, 2026).