Skip to content
AquaCensus

Public water system · ID7410047

Active

Ironwood

At a glance

Ironwood (PWSID ID7410047) is an active community water system in Teton County, Idaho. It reports serving 125 people through 35 service connections. Its primary water source is groundwater, and EPA lists it as privately owned. Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025.

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

Population served

125

Service connections

35

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDID7410047
System typeCommunity water system
Activity statusActive
Population served125
Service connections35
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyID state drinking water program
City servedDriggs
StateIdaho
ZIP—
CountyTeton County

How does Ironwood compare with other water systems in Teton County?

By EPA's size categories, Ironwood is a very small system (500 people or fewer). Teton County has 27 active public water systems. Its population served is about 61% below the county average of 323 people per system, and accounts for 1.4% of the 8,719 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 Ironwood 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 Ironwood?

EPA lists Ironwood 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. 18 of the 27 active systems in Teton County (67%) are also privately owned.

Does Ironwood have drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. The violations listed here began between January 2022 and July 2025. By type: 12 monitoring and reporting. The contaminants or rules involved are Lead and Copper Rule, Nitrate, Tetrachloroethylene and 1,1-Dichloroethylene. EPA lists 12 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
2025-07-01Monitoring and reportingLead Consumer Notice · code 66Lead and Copper Rulecode 5000NoResolved
2022-07-01Monitoring and reportingMonitoring, Regular · code 03Nitratecode 1040NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Tetrachloroethylenecode 2987NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 031,1-Dichloroethylenecode 2977NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Vinyl chloridecode 2976NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Dichloromethanecode 2964NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03p-Dichlorobenzenecode 2969NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03o-Dichlorobenzenecode 2968NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 031,2-Dichloroethanecode 2980NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 03Carbon tetrachloridecode 2982NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 031,1,2-Trichloroethanecode 2985NoResolved
2022-01-01Monitoring and reportingMonitoring, Regular · code 031,2,4-Trichlorobenzenecode 2378NoResolved

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.

Ironwood: frequently asked questions

Who runs Ironwood?

Ironwood (PWSID ID7410047) is a community water system privately owned. It is regulated by the ID state drinking water program.

How many people does Ironwood serve?

Ironwood reports serving 125 people through 35 service connections in Teton County, Idaho.

Where does Ironwood 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 Ironwood have any drinking water violations?

Of the 12 most recent violations in EPA's records, none is health-based, and the most recent began in July 2025. 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 Ironwood'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, none is health-based, and the most recent began in July 2025. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.

Where can I find Ironwood's water quality report?

As a community water system, Ironwood 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 Teton County

Water systemCountyPopulation servedTypeSource
Victor City ofTeton2,361CommunityGroundwater
Driggs City ofTeton2,200CommunityGroundwater
Teton Valley CabinsTeton1,000Transient non-communityGroundwater
Teton Springs Water and Sewer CompanyTeton924CommunityGroundwater
Tetonia City ofTeton409CommunityGroundwater
Targhee Nf-Reunion Flat CampgroundTeton300Transient non-communityGroundwater

Related pages

Working with water-system records? Pro adds alerts, change history and CSV export ($49/mo); Enterprise adds full national files, the API and an MCP server for AI tools.

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, “Ironwood, PWSID ID7410047, Idaho”, https://aquacensus.com/water-systems/idaho/ironwood-id7410047 (data as of October 1, 2026).