Skip to content
AquaCensus

Public water system · ID4010064

Active

Franklin Domestic Water Users

At a glance

Franklin Domestic Water Users (PWSID ID4010064) is an active community water system in Ada County, Idaho. It reports serving 75 people through 20 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, 9 are health-based, and the most recent began in October 2023.

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

Population served

75

Service connections

20

Primary source

GW

Groundwater

System type

CWS

Community water system

System record

PWSIDID4010064
System typeCommunity water system
Activity statusActive
Population served75
Service connections20
Primary water sourceGroundwater
Owner typePrivate
Primacy agencyID state drinking water program
City served—
StateIdaho
ZIP—
CountyAda County

How does Franklin Domestic Water Users compare with other water systems in Ada County?

By EPA's size categories, Franklin Domestic Water Users is a very small system (500 people or fewer). Ada County has 87 active public water systems. Its population served is well below the county average of 5,880 people per system, and accounts for less than 0.1% of the 511,514 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 Franklin Domestic Water Users 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 Franklin Domestic Water Users?

EPA lists Franklin Domestic Water Users 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. 71 of the 87 active systems in Ada County (82%) are also privately owned.

Does Franklin Domestic Water Users have drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 2023. The violations listed here began between April 2006 and October 2023. By type: 9 contaminant level above the legal limit, 2 monitoring and 1 public notice, recordkeeping or other. The contaminant or rule involved most often is Combined Uranium (9 of them). EPA lists 7 as resolved and 5 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
2023-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2023-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2023-06-24Public notice, recordkeeping or otherPublic Notification Violation for NPDWR Violation · code 75Public Noticecode 7500NoResolved
2023-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2023-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesResolved
2020-05-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2020-04-01MonitoringMonitoring, Routine (RTCR) · code 3ARevised Total Coliform Rulecode 8000NoResolved
2007-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2007-01-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2006-10-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2006-07-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived
2006-04-01Contaminant level above the legal limitMaximum Contaminant Level Violation, Average · code 02Combined Uraniumcode 4006YesArchived

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.

Franklin Domestic Water Users: frequently asked questions

Who runs Franklin Domestic Water Users?

Franklin Domestic Water Users (PWSID ID4010064) is a community water system privately owned. It is regulated by the ID state drinking water program.

How many people does Franklin Domestic Water Users serve?

Franklin Domestic Water Users reports serving 75 people through 20 service connections in Ada County, Idaho.

Where does Franklin Domestic Water Users 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 Franklin Domestic Water Users have any drinking water violations?

Of the 12 most recent violations in EPA's records, 9 are health-based, and the most recent began in October 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 Franklin Domestic Water Users' 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, 9 are health-based, and the most recent began in October 2023. For current results, consult the system's annual water quality report, EPA ECHO, or the ID state drinking water program.

Where can I find Franklin Domestic Water Users' water quality report?

As a community water system, Franklin Domestic Water Users 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 Ada County

Water systemCountyPopulation servedTypeSource
Veolia Water IdahoAda264,978CommunitySurface water
Meridian Water DeptAda147,340CommunityGroundwater
Kuna City ofAda32,038CommunityGroundwater
Star Sewer and Water Dist Water SystemAda14,000CommunityGroundwater
Garden City Water and Sewer SystemAda12,500CommunityGroundwater
Capitol Water CorpAda9,000CommunityGroundwater

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, “Franklin Domestic Water Users, PWSID ID4010064, Idaho”, https://aquacensus.com/water-systems/idaho/franklin-domestic-water-users-id4010064 (data as of October 1, 2026).