Largest water suppliers
Lead is the LCR 90th-percentile result; a value above 0.015 mg/L exceeds the
EPA action level. “—” means no lead sample is on file for that supplier.
| Supplier | City | Population | Lead (p90) |
|---|---|---|---|
| Veolia Water Idaho | Boise | 264,978 | 0.0020 mg/L |
| Meridian Water Dept | Meridian | 147,340 | 0.0039 mg/L |
| Nampa City of | Nampa | 100,200 | 0.0020 mg/L |
| Caldwell City of | Caldwell | 74,000 | 0.0000 mg/L |
| Idaho Falls City of | Idaho Falls | 69,450 | 0.0030 mg/L |
| Pocatello City of | Pocatello | 58,231 | 0.0050 mg/L |
| Twin Falls City of | Twin Falls | 56,121 | 0.0000 mg/L |
| Coeur D Alene City of | Coeur D Alene | 54,115 | 0.0020 mg/L |
| Rexburg City of | Rexburg | 40,695 | 0.0020 mg/L |
| Kuna City of | Kuna | 32,038 | 0.0000 mg/L |
| Moscow Water Dept | Moscow | 26,000 | 0.0040 mg/L |
| Falls Water Company Inc | Idaho Falls | 22,650 | 0.0030 mg/L |
| Post Falls City of | — | 20,285 | 0.0010 mg/L |
| Lewiston Orchards Irrigation Dist | Lewiston | 20,000 | 0.0000 mg/L |
| Ammon City of | Ammon | 17,338 | 0.0000 mg/L |
| Chubbuck City of | Chubbuck | 15,842 | 0.0020 mg/L |
| Lewiston City of | Lewiston | 15,001 | 0.0010 mg/L |
| Mountain Home, City of | Mountain Home | 14,651 | 0.0000 mg/L |
| Star Sewer and Water Dist Water System | Star | 14,000 | 0.0010 mg/L |
| Blackfoot City of | Blackfoot | 13,224 | 0.0030 mg/L |
| Middleton City of | Middleton | 13,190 | 0.0020 mg/L |
| Jerome City of | Jerome | 13,135 | 0.0030 mg/L |
| Garden City Water and Sewer System | Garden City | 12,500 | 0.0000 mg/L |
| Sandpoint Public Works Dept | Sandpoint | 12,284 | 0.0030 mg/L |
| East Greenacres Irrigation Dist | — | 11,165 | 0.0030 mg/L |
| Rathdrum City of | Rathdrum | 10,358 | 0.0000 mg/L |
| Burley Water Dept | Burley | 10,345 | 0.0000 mg/L |
| Hayden Lake Irrigation Dist | Hayden | 9,375 | 0.0000 mg/L |
| Capitol Water Corp | Boise | 9,000 | 0.0000 mg/L |
| Ross Point Water Dist | — | 8,965 | 0.0020 mg/L |
| Avondale Irrigation Dist | Hayden | 8,785 | 0.0000 mg/L |
| University of Idaho | Moscow | 8,589 | 0.0050 mg/L |
| Payette City of | Payette | 8,127 | 0.0020 mg/L |
| Hailey Water and Sewer | Hailey | 8,000 | 0.0020 mg/L |
| Mountain Home Air Force Base | Mountain Home Afb | 7,500 | 0.0000 mg/L |
| Fruitland City of | Fruitland | 7,458 | 0.0050 mg/L |
| Emmett City of | Emmett | 6,700 | 0.0000 mg/L |
| Eagle, City of (Western Zone) | Eagle | 6,108 | 0.0010 mg/L |
| Central Shoshone County Water Dist | Kellogg | 6,098 | 0.0010 mg/L |
| Rupert City of | Rupert | 5,796 | 0.0030 mg/L |
| Weiser City of | Weiser | 5,630 | 0.0000 mg/L |
| Preston City of | Preston | 5,591 | 0.0030 mg/L |
| Rigby City of | Rigby | 5,400 | 0.0080 mg/L |
| Kimberly City of | Kimberly | 5,359 | 0.0040 mg/L |
| Hyde Park City Water System | — | 5,200 | 0.0053 mg/L |
| American Falls City of | American Falls | 4,863 | 0.0070 mg/L |
| Buhl City of | Buhl | 4,518 | 0.0000 mg/L |
| Mccall City of | — | 4,423 | 0.0020 mg/L |
| Shelley City of | Shelley | 4,409 | 0.0010 mg/L |
| St Maries City of | St Maries | 4,173 | 0.0010 mg/L |
| Hillside Service Area | Rathdrum | 4,140 | 0.0010 mg/L |
| Gooding City of | Gooding | 3,706 | 0.0000 mg/L |
| Eagle, City of (Eastern Zone) | Eagle | 3,702 | 0.0060 mg/L |
| St Anthony | St Anthony | 3,606 | 0.0020 mg/L |
| Ketchum City of | Ketchum | 3,555 | 0.0090 mg/L |
| Rimrock Service Area | Rathdrum | 3,493 | 0.0000 mg/L |
| Sun Valley Water and Sewer Dist | Sun Valley | 3,400 | 0.0040 mg/L |
| Bonners Ferry City of | — | 3,367 | 0.0000 mg/L |
| Idoc Sbx Complex | Boise | 3,309 | 0.0000 mg/L |
| Homedale City of | Homedale | 3,300 | 0.0000 mg/L |
| Salmon City of | Salmon | 3,158 | 0.0060 mg/L |
| Grangeville Water Dept | Grangeville | 3,151 | 0.0020 mg/L |
| Soda Springs City of | Soda Springs | 3,111 | 0.0060 mg/L |
| Wendell City of | Wendell | 3,000 | 0.0000 mg/L |
| Heyburn City of | Heyburn | 3,000 | 0.0000 mg/L |
| Richmond City Water System | — | 2,967 | 0.0032 mg/L |
| Filer Water Works | Filer | 2,858 | 0.0028 mg/L |
| Fort Hall | Fort Hall | 2,850 | 0.0000 mg/L |
| Spirit Lake City of | Spirit Lake | 2,825 | 0.0020 mg/L |
| Montpelier City of | Montpelier | 2,772 | 0.0000 mg/L |
| Bellevue City of | Bellevue | 2,747 | 0.0000 mg/L |
| Iona Water Dept | Iona | 2,717 | 0.0000 mg/L |
| Dalton Water Assn Inc | Dalton Gardens | 2,602 | 0.0060 mg/L |
| Orofino City of | Orofino | 2,459 | 0.0120 mg/L |
| Three Mile Water Dist | — | 2,458 | 0.0110 mg/L |
| Sugar City City of | Sugar City | 2,395 | 0.0010 mg/L |
| E Shoshone County Water Dist Wallace | Wallace | 2,388 | 0.0020 mg/L |
| Victor City of | Victor | 2,361 | 0.0040 mg/L |
| Cabinet Mountains Water Dist | — | 2,335 | 0.0010 mg/L |
| Parma City of | Parma | 2,250 | 0.0010 mg/L |
| Idoc Idaho State Correctional Center | Boise | 2,204 | 0.0000 mg/L |
| Driggs City of | Driggs | 2,200 | 0.0030 mg/L |
| Malad City of | Malad | 2,200 | 0.0040 mg/L |
| Priest River City of | Priest River | 2,173 | 0.0040 mg/L |
| Aberdeen City of | Aberdeen | 2,088 | 0.0020 mg/L |
| Willard City Water System | — | 2,036 | 0.0416 mg/L |
| Twin Lakes Service Area | Rathdrum | 2,023 | 0.0010 mg/L |
| Riverside Water and Sewer District | Orofino | 2,000 | 0.0030 mg/L |
| Pinehurst Water Dist | Pinehurst | 1,950 | 0.0010 mg/L |
| Wilder City of | Wilder | 1,690 | 0.0050 mg/L |
| Shoshone Water Works | Shoshone | 1,653 | 0.0000 mg/L |
| New Plymouth City of | New Plymouth | 1,600 | 0.0020 mg/L |
| Hauser Lake Water Assn Inc | Hauser | 1,575 | 0.0030 mg/L |
| Oden Water Assn Inc | Sandpoint | 1,524 | 0.0010 mg/L |
| Comore Loma | Idaho Falls | 1,500 | 0.0010 mg/L |
| Kamiah City of | — | 1,495 | 0.0020 mg/L |
| Bayview Water and Sewer Dist | — | 1,320 | 0.0020 mg/L |
| Fairview Water Dist | Preston | 1,300 | 0.0030 mg/L |
| Marsing City of | Marsing | 1,300 | 0.0000 mg/L |
| Glenns Ferry City of | Glenns Ferry | 1,282 | 0.0000 mg/L |