Tap Water Lookup

County · Idaho

Franklin County, Idaho: drinking water records

This overview covers 6 ZIP codes and 15 community water systems in Franklin County. It also stands in for 1 ZIP codes whose utility has too little EPA data for a page of its own.

In focus6ZIP codes in this overview
Public records. Clearer context.
1
systems in EPA's PFAS survey
0
systems where PFAS was found
0
systems at or above the PFOA or PFOS limit, on the yearly-average basis EPA uses
4
systems that have reached the lead action level
11
systems with a health-based violation since 2016

System population figures are summed from EPA registry records and can overlap where wholesalers and retail systems serve the same people. They are not a Census county-population estimate.

Water systems with the most complete records

Water systemPeople servedPFAS survey resultsPFAS foundHealth-based violationsLead, 9 in 10 homes at or below
Preston City of ID62100145,59160023 ppb
Franklin City of ID62100071,0000023 ppb
Clifton City of ID62100024130021 ppb
Whitney Nashville Water Works ID62100204030010 ppb
Banida Water and Sewer Dist ID621000118000171 ppb
Cub River Acres ID62100031800037 ppb
Birch Creek Culinary ID62100091200011 ppb
Preston Eastside Water Co ID62100121200022 ppb
Strawberry Mink Creek Water Assn ID6210017750012 ppb
Midway Water System INC ID6210029500010 ppb
Fairview Water Dist ID62100061,3000003 ppb
Dayton City of ID62100045100002 ppb
Weston City of ID62100194900006 ppb
Oakdell Farms LLC ID6210015750001 ppb
Winder Water System ID621002120006not reported

ZIP reports in Franklin County

No ZIP report in this county is published yet.

These ZIP codes are covered by this overview because their utility has too little EPA data for a separate page: 83283.

Sources and scope

EPA UCMR 5 occurrence data, samples collected 2023-01-03 – 2026-06-17, final release, August 2026 (file dated Aug 28, 2026); EPA SDWIS via ECHO, 2026Q2 extract (file dated Jul 9, 2026); EPA service-area boundaries v3.0; Census 2020 ZCTAs. Page generated 2026-09-03.

Counts cover the systems that report this county to EPA. A water system may cross county lines. "Found" means at least one result at or above the laboratory reporting level; it is not a compliance finding.

Keep exploring

Every record tells
part of the story.

Find a place. Read the measurements.
Understand the context.

Explore water records