Idaho Water Systems

Idaho public water system directory

This directory lists the public water system profiles currently available for Idaho. It is not a complete statewide inventory, and it is not an address-level service lookup.

Compare Systems

3 available Idaho system records

Compare the PWSID, linked community, source-water context, and report year currently available for each Idaho record.

All systems are shown.

PWSIDSystemCitiesCountiesSource waterViolation records shownLatest CCR
ID6030043POCATELLO CITY OFPocatelloNot verifiedGroundwater from the Lower Portneuf Valley and Eastern Snake River Plain aquifers, recharged in part by snowmelt.No violation records shown in available records2025
ID3140013CALDWELL CITY OFCaldwellNot verifiedGroundwater from 15 wells across four pressure zones.No violation records shown in available records2025
ID2350014LEWISTON CITY OFLewistonNot verifiedClearwater River surface water, with groundwater wells used for irrigation and supplemental supply.No violation records shown in available records2025
PWSIDID6030043
SystemPOCATELLO CITY OF
CitiesPocatello
CountiesNot verified
Source waterGroundwater from the Lower Portneuf Valley and Eastern Snake River Plain aquifers, recharged in part by snowmelt.
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDID3140013
SystemCALDWELL CITY OF
CitiesCaldwell
CountiesNot verified
Source waterGroundwater from 15 wells across four pressure zones.
Violation records shownNo violation records shown in available records
Latest CCR2025
PWSIDID2350014
SystemLEWISTON CITY OF
CitiesLewiston
CountiesNot verified
Source waterClearwater River surface water, with groundwater wells used for irrigation and supplemental supply.
Violation records shownNo violation records shown in available records
Latest CCR2025

Profiles

Open a Idaho public water system profile

Each of these 3 profiles keeps its source links, annual-report details, limitations, and summarized CCR entries together.

Last updated: State data

POCATELLO CITY OF

PWSID ID6030043

View system profile

System-level profile for Pocatello. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Community water system
Communities
Pocatello
Counties
County not listed
Latest CCR
2025
Last updated: State data

CALDWELL CITY OF

PWSID ID3140013

View system profile

System-level profile for Caldwell. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Community water system
Communities
Caldwell
Counties
County not listed
Latest CCR
2025
Last updated: State data

LEWISTON CITY OF

PWSID ID2350014

View system profile

System-level profile for Lewiston. Use it to review report-year context, source links, available violation records, contaminant relationships, and limitations.

System type
Community water system
Communities
Lewiston
Counties
County not listed
Latest CCR
2025