Home / Wyoming Lead pipes in Wyoming
Wyoming's 327 community water systems reported 672 lead and 2,742 galvanized-requiring-replacement service lines, plus 82,889 of unknown material. That ranks #38 among states for confirmed lead lines.
672 Lead
2,742 Galvanized, replace
82,889 Unknown
63 Systems with lead
1.6% of the service lines Wyoming utilities reported are lead or galvanized requiring replacement, well below the national share of 3.1%. 39% are still unidentified (national: 21%). The largest counts are in City of Laramie (924), City of Sheridan (789), Town of Wheatland (299). 7 systems haven't reported counts yet.
Since 2025 Q1, reported lead and galvanized lines in Wyoming went from 3,491 to 3,414 (down 77). See which systems made the most progress .
Systems with confirmed lead lines (63) Water system Lead Galv. Unknown % lead People City of Laramie Laramie 0 924 0 9.4% 32,395 City of Sheridan Sheridan 397 392 1,700 7.2% 22,700 Town of Wheatland Wheatland 0 299 12 13% 3,659 City of Powell Powell 0 183 2,654 6.5% 6,310 City of Casper Casper 146 0 1,965 0.6% 59,000 City of Riverton Riverton 0 113 483 2.5% 10,330 Ynp - Lake Village Yellowstone Nt 0 108 321 14% 5,925 Town of Encampment Encampment 0 91 34 23% 450 Usaf F.E. Warren AFB Cheyenne 0 83 291 9.9% 5,500 Cheyenne Board of Public Utilities Cheyenne 82 0 28,173 0.3% 64,165 Town of Guernsey Guernsey 0 79 119 9.4% 1,157 Jade MHC Riverton 0 72 0 100% 200 Ynp-Mammoth Hot Springs Yellowstone Np 0 61 207 18% 2,600 City of Rawlins Water Supply Rawlins 0 56 3,675 1.4% 9,006 Town of Marbleton Marbleton 0 36 224 6.8% 861 Town of Cokeville Cokeville 0 21 71 9.9% 535 Town of Manville Manville 18 1 38 22% 97 City of Sundance Sundance 0 18 446 2.4% 1,279 Emerald River Estates Green River 0 17 0 55% 62 Town of Jackson Jackson 0 16 1,139 0.4% 24,760 Town of Cowley Cowley 2 11 106 3.0% 800 Town of Lyman Lyman 0 12 416 1.5% 2,203 City of Rock Springs Rock Springs 1 11 45 0.1% 24,000 Town of Greybull Greybull 0 11 653 0.9% 2,080 Town of Glenrock Glenrock 0 11 560 0.8% 2,466 Veterans Administration Medical Center Sheridan 0 11 9 20% 802 Ynp-Old Faithful Yellowstone Np 0 10 206 3.8% 7,745 Town of Sinclair Sinclair 0 10 96 3.4% 433 Town of Thermopolis Thermopolis 9 0 1,085 0.6% 2,775 Town of Saratoga Saratoga 0 9 325 0.8% 1,720 City of Douglas Douglas 5 3 660 0.3% 6,400 Town of Rock River Rock River 0 7 32 3.8% 211 Town of Byron Byron 0 7 29 2.8% 561 Town of Bairoil Bairoil 0 6 0 5.2% 60 City of Cody Cody 5 0 3,803 <0.1% 10,224 Town of Baggs Baggs 0 4 422 0.7% 400 Town of Meeteetse Meeteetse 0 4 175 1.3% 327 Freedom W&S District Freedom 0 4 64 4.0% 300 Town of Frannie Frannie 0 4 63 3.7% 160 Town of Clearmont Clearmont 0 4 24 4.0% 116 Town of Dubois Dubois 0 3 611 0.4% 1,822 Town of Lovell Lovell 3 0 270 0.3% 2,250 Town of La Barge La Barge 0 3 105 1.0% 347 Fairview Water & Sewer District Afton 0 3 75 3.4% 230 Osmond I&s District Afton 0 3 66 4.3% 315 South Torrington Water District Torrington 0 3 27 1.6% 450 Osage Water District Osage 0 3 19 2.3% 200 Town of Alpine Alpine 0 2 59 0.3% 1,300 Town of Opal Opal 0 2 15 1.5% 65 Sierra Madre JPB Encampment 0 2 1 1.6% 130 Northwest Rural Water District Cody 1 0 2,100 <0.1% 7,330 Town of Star Valley Ranch Star Valley Ranch 0 1 879 <0.1% 2,894 Town of Basin Basin 1 0 499 0.2% 1,250 Sleepy Hollow Subdivision Gillette 0 1 456 0.2% 2,400 Town of Ranchester Ranchester 0 1 320 0.2% 1,297 Downer Neighborhood I&s District Sheridan 0 1 191 0.4% 400 Town of Kaycee Kaycee 0 1 170 0.5% 263 Nickelson Farms Water Company Gillette 0 1 105 0.9% 400 Etna Water & Sewer District Etna 1 0 100 0.5% 135 Town of Superior Superior 1 0 75 0.5% 336 Shell Town Water Improvement District Shell 0 1 29 2.6% 120 Burns Board of Public Utilities Burns 0 1 16 0.6% 1,024 Town of Fort Laramie Fort Laramie 0 1 1 0.6% 230
No confirmed lead, but unknown lines remain (128) Water system Lead Galv. Unknown % lead People City of Gillette Gillette 0 0 4,714 0% 32,222 City of Lander Lander 0 0 3,385 0% 7,615 Worland Utilities Commission Worland 0 0 2,093 0% 4,787 Kemmerer-Diamondville JPB Kemmerer 0 0 1,582 0% 3,348 City of Evanston Evanston 0 0 1,247 0% 11,727 Fort Washakie Fort Washakie 0 0 1,045 0% 2,620 City of Torrington Municipal Water Dept Torrington 0 0 809 0% 6,847 Ethete Water System Fort Washakie 0 0 781 0% 1,950 Arapahoe Comm Water System Ethete 0 0 590 0% 4,100 Town of Bar Nunn Mills 0 0 483 0% 4,000 Town of Hulett Hulett 0 0 413 0% 420 White Mountain W&S District Rock Springs 0 0 411 0% 3,000 City of Green River Green River 0 0 409 0% 10,500 Antelope Valley I&s District (Avisd) Gillette 0 0 336 0% 1,280 West Winds Cheyenne 0 0 296 0% 663 Town of Midwest Midwest 0 0 291 0% 325 Fox Park Subdivision Gillette 0 0 282 0% 843 City of Newcastle Newcastle 0 0 273 0% 3,595 Town of Lingle Lingle 0 0 269 0% 486 Town of Hudson Hudson 0 0 258 0% 460 Heritage Village Subdivision Gillette 0 0 232 0% 750 Town of Pine Haven Pine Haven 0 0 224 0% 498 Town of Moorcroft Moorcroft 0 0 203 0% 1,009 Town of Upton Upton 0 0 200 0% 1,100 Jamestown-Rio Vista W&S District Green River 0 0 196 0% 560 Lone Tree Village MHP Douglas 0 0 195 0% 475 Crestview Estates Subdivision Gillette 0 0 177 0% 500 Winchester Hills Cheyenne 0 0 169 0% 1,078 Town of Hanna Hanna 0 0 167 0% 841 Gardens North Homeowners Association Riverton 0 0 161 0% 300 Douglas KOA CG & Pine Meadows MHP Douglas 0 0 159 0% 165 Nordic Ranches Water, LLC. Alpine 0 0 147 0% 465 Town of Pavillion Pavillion 0 0 138 0% 230 Salt Creek Water District Newcastle 0 0 132 0% 600 Pinedale Municipal WS Pinedale 0 0 131 0% 2,005 West End Water District Newcastle 0 0 121 0% 225 CV Laramie MHP, LLC Laramie 0 0 113 0% 375 Town of Edgerton Edgerton 0 0 113 0% 195 Town of Kirby Kirby 0 0 111 0% 70 Town of Wamsutter Wamsutter 0 0 105 0% 500 Town of Rolling Hills Rolling Hills 0 0 103 0% 450 Town of Dixon Dixon 0 0 102 0% 114 Bedford Water & Sewer District Bedford 0 0 100 0% 750 Cedar Hills Water Association Gillette 0 0 97 0% 258 Ridgewater Improvement District Douglas 0 0 97 0% 218 Cook Road Water District Gillette 0 0 94 0% 291 Foothills Mobile Home Park Gillette 0 0 89 0% 735 Desert Trails MHP Green River 0 0 87 0% 112 Sunridge Estates Riverton 0 0 82 0% 220 Natrona County Int'L Airport Casper 0 0 79 0% 423
Showing 50. See all
No lead or unknown lines reported (17) Systems serving 1,000 or more people. Systems without counts on file are listed as 0.
Water system Lead Galv. Unknown % lead People South Cheyenne Water & Sewer District Cheyenne 0 0 0 0% 10,000 Gtnp-Colter Bay Village Moose 0 0 0 0% 4,514 City of Mills Mills 0 0 0 0% 4,050 Wright Water & Sewer District Wright 0 0 0 0% 3,207 Town of Evansville Evansville 0 0 0 0% 2,873 Little America Hotels & Resorts, Inc- Wy Little America 0 0 0 0% 2,004 Afton, Board of Pub Utilities Afton 0 0 0 0% 2,000 Gtnp-Jackson Lake Lodge Moose 0 0 0 0% 1,830 Bridger Valley Joint Powers Board Lyman 0 0 0 0% 1,728 Vista West Water Company Casper 0 0 0 0% 1,600 Town of Lusk Lusk 0 0 0 0% 1,576 Rafter J Subdivision HOA Jackson 0 0 0 0% 1,500 Pioneer Water & Sewer District Mills 0 0 0 0% 1,500 Town of Mountain View Mountain View 0 0 0 0% 1,250 Bear River Regional Joint Powers Evanston 0 0 0 0% 1,200 Town of Pine Bluffs Pine Bluffs 0 0 0 0% 1,186 Pioneer Mobile Home Park Green River 0 0 0 0% 1,000
Wyoming lead pipe questions How many lead pipes are in Wyoming? Wyoming's community water systems reported 672 lead service lines and 2,742 galvanized lines that must be replaced, for 3,414 in total. Another 82,889 lines are of unknown material.
Which Wyoming water systems have the most lead pipes? City of Laramie (924), City of Sheridan (789), Town of Wheatland (299). Counts are lead plus galvanized-requiring-replacement lines.
What share of Wyoming service lines are lead? 1.6% of reported service lines in Wyoming are lead or galvanized requiring replacement, well below the national figure of 3.1%. 39% are still unknown, compared with 21% nationally.
How do I find out if my Wyoming 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 .