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) |
|---|---|---|---|
| Denver Water Board | Denver | 1,287,000 | 0.0031 mg/L |
| Aurora City of | — | 533,407 | 0.0025 mg/L |
| Colorado Springs Utilities | Colorado Springs | 464,111 | 0.0057 mg/L |
| Thornton City of | Thornton | 226,465 | 0.0023 mg/L |
| Westminster City of | Westminster | 202,078 | 0.0013 mg/L |
| Ft Collins City of | Fort Collins | 179,901 | 0.0028 mg/L |
| Arvada City of | Arvada | 171,610 | 0.0031 mg/L |
| Boulder City of | Boulder | 166,080 | 0.0020 mg/L |
| Greeley City of | Greeley | 132,310 | 0.0040 mg/L |
| Pueblo Board of Ww | Pueblo | 114,070 | 0.0023 mg/L |
| Castle Rock Town of | Castle Rock | 110,298 | 0.0020 mg/L |
| Broomfield City and County of | Broomfield | 106,153 | 0.0025 mg/L |
| Longmont City of | Longmont | 104,178 | 0.0016 mg/L |
| Highlands Ranch Wsd | Highlands Ranch | 103,444 | 0.0020 mg/L |
| Ute Wcd | Grand Junction | 92,580 | 0.0014 mg/L |
| Loveland City of | Loveland | 91,077 | 0.0033 mg/L |
| Consolidated Mutual Maple Grove | Lakewood | 81,400 | 0.0020 mg/L |
| Parker Wsd | Parker | 75,949 | 0.0020 mg/L |
| South Adams County Wsd | Commerce City | 75,559 | 0.0000 mg/L |
| East Cherry Creek Valley Wsd | — | 66,130 | 0.0000 mg/L |
| Ft Collins Loveland Wd | Fort Collins | 63,532 | 0.0020 mg/L |
| Englewood City of | Englewood | 57,332 | 0.0050 mg/L |
| Brighton City of | Brighton | 56,304 | 0.0020 mg/L |
| Southgate Wsd | Centennial | 55,000 | 0.0090 mg/L |
| Eagle River Wsd | Vail | 51,515 | 0.0020 mg/L |
| Green Mountain Wsd | Lakewood | 49,400 | 0.0090 mg/L |
| Northglenn City of | Northglenn | 48,927 | 0.0017 mg/L |
| Southwest Metropolitan Wsd | — | 48,648 | 0.0090 mg/L |
| Us Department of the Army Fort Carson | Fort Carson | 48,000 | 0.0104 mg/L |
| Erie Town of | — | 47,444 | 0.0026 mg/L |
| Bancroft Clover Wsd | Lakewood | 44,000 | 0.0090 mg/L |
| Golden City of | Golden | 38,288 | 0.0000 mg/L |
| Canon City City of | Canon City | 34,800 | 0.0020 mg/L |
| Clifton Wd | Clifton | 34,500 | 0.0022 mg/L |
| Durango City of | Durango | 33,787 | 0.0031 mg/L |
| Aspen City of | Aspen | 31,100 | 0.0010 mg/L |
| Arapahoe Cnty Wwwa | Centennial | 31,000 | 0.0011 mg/L |
| Pueblo West Md | Pueblo West | 30,000 | 0.0020 mg/L |
| Bear Creek Wsd | Lakewood | 30,000 | 0.0090 mg/L |
| Cherokee Md | Colorado Springs | 29,610 | 0.0020 mg/L |
| Lafayette City of | Lafayette | 28,700 | 0.0020 mg/L |
| Breckenridge Town of | Breckenridge | 28,315 | 0.0020 mg/L |
| East Larimer County Wd | Fort Collins | 27,944 | 0.0039 mg/L |
| Firestone Town of | Firestone | 27,798 | 0.0036 mg/L |
| Widefield Wsd | Colorado Springs | 27,640 | 0.0019 mg/L |
| Csu Main and West Housing Campus | Fort Collins | 27,375 | 0.0080 mg/L |
| Johnstown Town of | — | 27,295 | 0.0010 mg/L |
| Grand Junction City of | Grand Junction | 26,000 | 0.0082 mg/L |
| Little Thompson Wd | Berthoud | 25,654 | 0.0090 mg/L |
| Fountain City of | Fountain | 25,130 | 0.0044 mg/L |
| Crestview Wsd | — | 23,756 | 0.0090 mg/L |
| Windsor Town of | — | 23,500 | 0.0058 mg/L |
| Meridian Md | — | 23,415 | 0.0000 mg/L |
| Cherry Creek Valley Wsd | Denver | 22,000 | 0.0090 mg/L |
| Louisville City of | Louisville | 20,975 | 0.0000 mg/L |
| Tri County Wcd | Montrose | 20,490 | 0.0060 mg/L |
| Left Hand Wd | Niwot | 20,280 | 0.0010 mg/L |
| Wheat Ridge Water District | Wheat Ridge | 20,000 | 0.0090 mg/L |
| Security Water District | Colorado Springs | 20,000 | 0.0017 mg/L |
| Platte Canyon Wsd | — | 19,485 | 0.0090 mg/L |
| Evans City of | Evans | 19,369 | 0.0020 mg/L |
| Montrose City of | Montrose | 19,305 | 0.0060 mg/L |
| Willows Wd | Centennial | 19,000 | 0.0090 mg/L |
| Mt Werner Wd | Steamboat Springs | 19,000 | 0.0013 mg/L |
| Woodmoor Wsd | Monument | 18,031 | 0.0020 mg/L |
| Superior Md No 1 | Superior | 17,900 | 0.0000 mg/L |
| Frederick Town of | Frederick | 17,173 | 0.0029 mg/L |
| Us Air Force Academy | Usaf Academy | 16,876 | 0.0006 mg/L |
| Estes Park Town of | Estes Park | 16,722 | 0.0014 mg/L |
| North Weld County Wd | Lucerne | 15,890 | 0.0034 mg/L |
| Evergreen Md | Evergreen | 15,750 | 0.0060 mg/L |
| Stonegate Md | Parker | 15,295 | 0.0020 mg/L |
| Gypsum Town of | Gypsum | 15,272 | 0.0020 mg/L |
| Black Hawk City of | Black Hawk | 15,167 | 0.0020 mg/L |
| Sterling City of | Sterling | 15,100 | 0.0000 mg/L |
| North Washington Street Wsd | — | 14,500 | 0.0090 mg/L |
| Berthoud Town of | Berthoud | 14,211 | 0.0100 mg/L |
| Woodmen Hills Md | Falcon | 13,888 | 0.0000 mg/L |
| Montezuma Wc | Dolores | 13,797 | 0.0029 mg/L |
| Roxborough Wsd | Littleton | 13,765 | 0.0050 mg/L |
| Pinery Wwd | Parker | 12,901 | 0.0000 mg/L |
| Castle Pines North Md | — | 12,800 | 0.0000 mg/L |
| Meridian Service Md | Peyton | 12,760 | 0.0000 mg/L |
| Ft Lupton City of | Fort Lupton | 12,099 | 0.0040 mg/L |
| Ft Morgan City of | Fort Morgan | 12,000 | 0.0030 mg/L |
| Ken Caryl Wsd | — | 12,000 | — |
| Lakehurst Wsd | — | 12,000 | 0.0090 mg/L |
| Severance Town of | Severance | 11,733 | 0.0020 mg/L |
| Wellington Town of | Wellington | 11,720 | 0.0010 mg/L |
| Federal Heights City of | Federal Heights | 11,678 | 0.0017 mg/L |
| Sterling Ranch Cab | Littleton | 11,501 | 0.0000 mg/L |
| Trinidad City of | Trinidad | 11,400 | 0.0000 mg/L |
| Alamosa City of | Alamosa | 11,271 | 0.0000 mg/L |
| Pagosa Area Wsd | Pagosa Springs | 11,069 | 0.0024 mg/L |
| Cottonwood Wsd | — | 10,867 | 0.0000 mg/L |
| Idaho Springs City of | Idaho Springs | 10,432 | 0.0070 mg/L |
| North Table Mountain Wsd | Golden | 10,000 | 0.0013 mg/L |
| Valley Wd | Wheat Ridge | 10,000 | 0.0090 mg/L |
| Steamboat Springs City of | Steamboat Springs | 9,950 | 0.0000 mg/L |
| Snake River Wd | Keystone | 9,900 | 0.0009 mg/L |