Lead pipes in Idaho
Idaho's 771 community water systems reported 632 lead and 2,136 galvanized-requiring-replacement service lines, plus 96,408 of unknown material. That ranks #42 among states for confirmed lead lines.
- Lead 0.1%
- Galvanized (replace) 0.4%
- Unknown 16%
- Non-lead 84%
0.5% of the service lines Idaho utilities reported are lead or galvanized requiring replacement, well below the national share of 3.1%. 16% are still unidentified (national: 21%). The largest counts are in City of Shelley (1,158), City of Emmett (570), City of Rigby (388). 9 systems haven't reported counts yet.
Since 2025 Q1, reported lead and galvanized lines in Idaho went from 2,741 to 2,768 (up 27). See which systems made the most progress.
Systems with confirmed lead lines (18)
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| City of ShelleyBingham County | 0 | 1,158 | 0 | 71% |
| City of EmmettGem County | 570 | 0 | 0 | 17% |
| City of RigbyJefferson County | 1 | 387 | 0 | 24% |
| Iona Water DeptBonneville County | 0 | 282 | 496 | 28% |
| City of HazeltonJerome County | 0 | 136 | 0 | 44% |
| City of McCallValley County | 2 | 73 | 1,402 | 2.0% |
| City of CaldwellCanyon County | 50 | 1 | 246 | 0.2% |
| Evans Water CorpAda County | 0 | 33 | 1 | 87% |
| Camelot Water Assn INCCanyon County | 0 | 28 | 0 | 55% |
| City of HomedaleOwyhee County | 0 | 25 | 532 | 2.6% |
| Nezperce Water DeptLewis County | 0 | 12 | 33 | 4.1% |
| Capitol Water CorpAda County | 2 | 0 | 2,095 | <0.1% |
| City of DecloCassia County | 2 | 0 | 57 | 1.5% |
| City of BloomingtonBear Lake County | 2 | 0 | 5 | 1.3% |
| Bayview Water and Sewer DistKootenai County | 1 | 0 | 476 | 0.2% |
| City of KimberlyTwin Falls County | 1 | 0 | 376 | <0.1% |
| City of DriggsTeton County | 1 | 0 | 1 | <0.1% |
| City of OakleyCassia County | 0 | 1 | 0 | 0.3% |
No confirmed lead, but unknown lines remain (153)
| Water system | Lead | Galv. | Unknown | % lead |
|---|---|---|---|---|
| Veolia Water IdahoAda County | 0 | 0 | 51,992 | 0% |
| City of NampaCanyon County | 0 | 0 | 9,492 | 0% |
| City of LewistonNez Perce County | 0 | 0 | 4,769 | 0% |
| City of BlackfootBingham County | 0 | 0 | 3,068 | 0% |
| City of JeromeJerome County | 0 | 0 | 2,409 | 0% |
| City of ChubbuckBannock County | 0 | 0 | 2,130 | 0% |
| City of St MariesBenewah County | 0 | 0 | 1,509 | 0% |
| City of WeiserWashington County | 0 | 0 | 1,285 | 0% |
| Hailey Water and SewerBlaine County | 0 | 0 | 926 | 0% |
| Garden City Water and Sewer SystemAda County | 0 | 0 | 904 | 0% |
| City of FruitlandPayette County | 0 | 0 | 818 | 0% |
| City of New PlymouthPayette County | 0 | 0 | 685 | 0% |
| Riverside Water and Sewer DistrictClearwater County | 0 | 0 | 597 | 0% |
| City of AberdeenBingham County | 0 | 0 | 583 | 0% |
| City of CascadeValley County | 0 | 0 | 554 | 0% |
| City of KamiahLewis County | 0 | 0 | 549 | 0% |
| Rimrock Service AreaKootenai County | 0 | 0 | 429 | 0% |
| Twin Lakes Service AreaKootenai County | 0 | 0 | 391 | 0% |
| Hillside Service AreaKootenai County | 0 | 0 | 383 | 0% |
| Shoshone Water WorksLincoln County | 0 | 0 | 310 | 0% |
| City of PaulMinidoka County | 0 | 0 | 294 | 0% |
| Stoneridge UtilitiesBonner County | 0 | 0 | 285 | 0% |
| City of RathdrumKootenai County | 0 | 0 | 282 | 0% |
| City of ArcoButte County | 0 | 0 | 276 | 0% |
| Moscow Water DeptLatah County | 0 | 0 | 253 | 0% |
| Greenferry Water & Sewer DistrictKootenai County | 0 | 0 | 246 | 0% |
| Laclede Water DistBonner County | 0 | 0 | 211 | 0% |
| City of WilderCanyon County | 0 | 0 | 198 | 0% |
| City of Bonners FerryBoundary County | 0 | 0 | 189 | 0% |
| Terrace Lakes Water CompanyBoise County | 0 | 0 | 189 | 0% |
| Kootenai County Water Dist 1Kootenai County | 0 | 0 | 180 | 0% |
| City of MontpelierBear Lake County | 0 | 0 | 172 | 0% |
| City of GreenleafCanyon County | 0 | 0 | 168 | 0% |
| City of ParisBear Lake County | 0 | 0 | 152 | 0% |
| City of AlbionCassia County | 0 | 0 | 142 | 0% |
| Evergreen Mobile ParkCanyon County | 0 | 0 | 141 | 0% |
| Troy Hoffman Water CorpKootenai County | 0 | 0 | 130 | 0% |
| Mountain View TerraceKootenai County | 0 | 0 | 125 | 0% |
| Pineview Estates Water DistKootenai County | 0 | 0 | 124 | 0% |
| Hayden Pines Grouse MeadowsKootenai County | 0 | 0 | 123 | 0% |
| Midvale Water SystemWashington County | 0 | 0 | 107 | 0% |
| City of MurtaughTwin Falls County | 0 | 0 | 107 | 0% |
| City of McCammonBannock County | 0 | 0 | 88 | 0% |
| Bennington Water SystemBear Lake County | 0 | 0 | 79 | 0% |
| Meadows Mobile ParkElmore County | 0 | 0 | 77 | 0% |
| VP, INCBonner County | 0 | 0 | 76 | 0% |
| Yellow Pine Water Users INCValley County | 0 | 0 | 74 | 0% |
| City of ParkerFremont County | 0 | 0 | 73 | 0% |
| Shady Rest RV Park and CampgroundBonneville County | 0 | 0 | 70 | 0% |
| Pine Ridge Water and Sewer DistIdaho County | 0 | 0 | 65 | 0% |
Showing 50. See all
No lead or unknown lines reported (67)
Systems serving 1,000 or more people. Systems without counts on file are listed as 0.
Showing the 50 largest. See all
Lead pipes in Idaho cities
- Boise51,992 unknown
- Meridianno lead reported
- Nampa9,492 unknown
- Idaho Fallsno lead reported
- Pocatellono lead reported
- Coeur d'Alene62 unknown
- Rexburgno lead reported
- Lewiston4,769 unknown
- Eagle51,992 unknown
- Kunano lead reported
- Moscow253 unknown
- Ammonno lead reported
- Starno lead reported
- Haydenno lead reported
- Mountain Homeno lead reported
- Chubbuck2,130 unknown
- Garden904 unknown
- Sandpointno lead reported
- Hailey926 unknown
- Payetteno lead reported
- Prestonno lead reported
- Kimberly1 lead + galv. lines
- American Fallsno lead reported
- Buhlno lead reported
- Heyburnno lead reported
- Ketchumno lead reported
- Orofinono lead reported
- Filer4 unknown
- Bonners Ferry189 unknown
- Bellevueno lead reported
Idaho lead pipe questions
How many lead pipes are in Idaho?
Idaho's community water systems reported 632 lead service lines and 2,136 galvanized lines that must be replaced, for 2,768 in total. Another 96,408 lines are of unknown material.
Which Idaho water systems have the most lead pipes?
City of Shelley (1,158), City of Emmett (570), City of Rigby (388). Counts are lead plus galvanized-requiring-replacement lines.
What share of Idaho service lines are lead?
0.5% of reported service lines in Idaho are lead or galvanized requiring replacement, well below the national figure of 3.1%. 16% are still unknown, compared with 21% nationally.
How do I find out if my Idaho home has a lead service line?
Search for your water system or ZIP code above, then open your utility's address-level inventory map. You can also check the pipe where it enters your home with a scratch and magnet test.
Source: EPA SDWIS service line inventory, 2026 Q3. Smaller systems with no lead or unknown lines are omitted. See also national rankings.