States / Wyoming / Drinking Water
Drinking Water Systems in Wyoming
323 community water systems serving about 534,408 people. 117 have a health-based violation on record since 2015, 8 of them unresolved.
SystemHealth-based violations (2015+)
LANCE CREEK WATER DISTRICT · LANCE CREEK · 45 served · groundwater63 (2 unresolved)
SUPERIOR, TOWN OF · SUPERIOR · 336 served · groundwater2 (2 unresolved)
GARDENS NORTH HOMEOWNERS ASSOCIATION · RIVERTON · 300 served · groundwater8 (1 unresolved)
LEISURE VALLEY INC/ STAR VALLEY RV PARK · THAYNE · 1,910 served · groundwater6 (1 unresolved)
MARBLETON, TOWN OF · MARBLETON · 861 served · groundwater6 (1 unresolved)
ALBIN, TOWN OF · ALBIN · 181 served · groundwater5 (1 unresolved)
MEDICINE WATERS VILLAGE · SARATOGA · 200 served · purchased groundwater1 (1 unresolved)
POINT OF ROCKS MERCANTILE · POINT OF ROCKS · 78 served · groundwater1 (1 unresolved)
DIXON, TOWN OF · DIXON · 114 served · groundwater under surface influence65
LITTLE AMERICA HOTELS & RESORTS, INC- WY · LITTLE AMERICA · 2,004 served · surface water47
KEMMERER-DIAMONDVILLE JPB · KEMMERER · 3,348 served · surface water35
COKEVILLE, TOWN OF · COKEVILLE · 535 served · groundwater31
BAGGS, TOWN OF · BAGGS · 400 served · groundwater under surface influence29
STONE CREEK HOA · TORRINGTON · 100 served · groundwater19
JEFFREY CITY WATER & SEWER DISTRICT · RIVERTON · 40 served · groundwater19
RIVERMEADOWS WATER DISTRICT · JACKSON · 100 served · groundwater18
YNP-OLD FAITHFUL · YELLOWSTONE NP · 7,675 served · surface water17
MEDICINE BOW, TOWN OF · MEDICINE BOW · 189 served · groundwater17
COTTONWOOD ACRES · TORRINGTON · 95 served · groundwater17
BIG VALLEY & CROSSED ARROWS IMP DIST · MEETEETSE · 35 served · groundwater16
POTLATCH TRAILER COURT · TORRINGTON · 70 served · groundwater15
PINE BLUFFS, TOWN OF · PINE BLUFFS · 1,186 served · groundwater14
MANVILLE, TOWN OF · MANVILLE · 97 served · groundwater13
BUFFALO, CITY OF · BUFFALO · 4,419 served · surface water12
SUNRIDGE ESTATES · RIVERTON · 220 served · groundwater12
OWL CREEK WATER DISTRICT · Hot Springs County · 100 served · purchased surface water12
ROZET RANCHETTES I&S DISTRICT · GILLETTE · 85 served · groundwater12
PAVILLION, TOWN OF · PAVILLION · 230 served · groundwater10
BENNOR ESTATES & IMPROVEMENT DISTRICT · Campbell County · 144 served · purchased groundwater10
WHEATLAND, TOWN OF · WHEATLAND · 3,659 served · groundwater9
ALPINE, TOWN OF · ALPINE · 1,300 served · groundwater8
BEAR RIVER REGIONAL JOINT POWERS · EVANSTON · 1,200 served · purchased surface water8
GRANGER, TOWN OF · GRANGER · 139 served · surface water8
HOY MOBILE HOME PARK · GILLETTE · 100 served · groundwater8
TURNERVILLE WATER AND SEWER DISTRICT · BEDFORD · 90 served · groundwater under surface influence8
HI-COUNTRY WATER DISTRICT · JACKSON · 85 served · groundwater8
RAWLINS WATER SUPPLY, CITY OF · RAWLINS · 9,006 served · surface water7
MILLS, CITY OF · MILLS · 4,050 served · groundwater under surface influence7
SNAKE RIVER MOBILE HOME PARK · JACKSON · 100 served · groundwater under surface influence7
BROKEN WRENCH LLC · CASPER · 30 served · groundwater7
STAR VALLEY RANCH, TOWN OF · THAYNE · 2,030 served · groundwater6
LAKEVIEW MOBILE HOME PARK · GILLETTE · 36 served · groundwater6
ROCK SPRINGS/GREEN RIVER JPB · GREEN RIVER · 25 served · surface water6
MOORCROFT, TOWN OF · MOORCROFT · 1,009 served · groundwater5
VETERANS ADMINISTRATION MEDICAL CENTER · SHERIDAN · 685 served · surface water5
BIG PINEY, TOWN OF · BIG PINEY · 445 served · groundwater5
PLAY PARK LLC · GILLETTE · 96 served · groundwater5
WARD CREEK LANDOWNERS ASSOCIATION · ROZET · 77 served · groundwater5
EVERGREEN MOBILE HOME PARK · CHEYENNE · 35 served · groundwater5
BURLINGTON, TOWN OF · BURLINGTON · 348 served · purchased groundwater4
LA BARGE, TOWN OF · LA BARGE · 347 served · surface water4
GROVER WATER & SEWER DISTRICT · GROVER · 252 served · groundwater4
WRANGLER ESTATES · GILLETTE · 250 served · groundwater4
CENTENNIAL WATER AND SEWER DISTRICT · CENTENNIAL · 150 served · groundwater4
SOUTHFORK ESTATES · GILLETTE · 144 served · groundwater4
MOUNTAIN VIEW ESTATES (KNECHT INVTS) · CHEYENNE · 75 served · groundwater4
BEULAH LAND WATER · BEULAH · 50 served · groundwater4
KENNINGTON SPRINGS PIPELINE · FAIRVIEW · 45 served · groundwater4
RIVERTON, CITY OF · RIVERTON · 10,330 served · surface water3
COWLEY, TOWN OF · COWLEY · 800 served · groundwater3
BEDFORD WATER & SEWER DISTRICT · BEDFORD · 750 served · groundwater3
LINDLEY PARK, LLC · EVANSTON · 362 served · groundwater3
WEST END WATER DISTRICT · NEWCASTLE · 225 served · groundwater3
COUNTRYSIDE COURT · MILLS · 125 served · groundwater3
RESTWAY TRAVEL PARK · CHEYENNE · 62 served · groundwater3
CODY, CITY OF · CODY · 10,224 served · purchased surface water2
PINEDALE MUNICIPAL WS · PINEDALE · 1,900 served · surface water2
SARATOGA, TOWN OF · SARATOGA · 1,720 served · groundwater2
RAFTER J SUBDIVISION HOA · JACKSON · 1,500 served · groundwater2
TEN SLEEP, TOWN OF · TEN SLEEP · 400 served · groundwater2
CV LARAMIE MHP, LLC · LARAMIE · 375 served · groundwater2
BAR Y ESTATES/GROS VENTRE WEST WTR DISTS · JACKSON · 270 served · groundwater2
FAIRVIEW WATER & SEWER DISTRICT · AFTON · 230 served · groundwater2
NORTH ALPINE I&S DISTRICT · ALPINE · 200 served · groundwater2
CHUGWATER, TOWN OF · CHUGWATER · 200 served · groundwater2
MOUNTAIN VIEW ACRES · RIVERTON · 165 served · groundwater2
SQUAW CREEK WATER DISTRICT · JACKSON · 160 served · groundwater2
GREEN VALLEY ESTATES I&S DISTRICT · GILLETTE · 140 served · groundwater2
YODER, TOWN OF · YODER · 131 served · groundwater2
RED LANE DOMESTIC WATER, INC. · THERMOPOLIS · 110 served · purchased surface water2
MANDERSON, TOWN OF · MANDERSON · 110 served · purchased groundwater2
HIDE-A-WAY MOBILE VILLAGE · CHEYENNE · 107 served · groundwater2
FARVIEW WATER AND SEWER DISTRICT · RIVERTON · 60 served · groundwater2
MOUNTAIN VILLAGE PARKS · BIG PINEY · 53 served · groundwater2
MILLER LOWER MOBILE HOME PARK · CHEYENNE · 30 served · groundwater2
LANDER, CITY OF · LANDER · 7,615 served · surface water1
YNP - LAKE VILLAGE · YELLOWSTONE NT · 5,925 served · groundwater under surface influence1
GLENROCK, TOWN OF · GLENROCK · 2,466 served · groundwater1
DUBOIS, TOWN OF · DUBOIS · 1,822 served · groundwater1
BRIDGER VALLEY JOINT POWERS BOARD · LYMAN · 1,728 served · surface water1
SUNDANCE, CITY OF · SUNDANCE · 1,279 served · groundwater1
MOUNTAIN VIEW, TOWN OF · MOUNTAIN VIEW · 1,250 served · purchased surface water1
UPTON, TOWN OF · UPTON · 1,100 served · groundwater1
HERITAGE VILLAGE SUBDIVISION · GILLETTE · 750 served · groundwater1
SKYLINE VILLAGE MOBILE HOME PK · ROCK SPRINGS · 700 served · purchased surface water1
FARSON EDEN SCHOOL · FARSON · 530 served · groundwater1
WAMSUTTER, TOWN OF · WAMSUTTER · 500 served · groundwater1
NATRONA COUNTY INT'L AIRPORT · CASPER · 423 served · purchased surface water1
COUNTRYSIDE WATER USERS, INC. · GILLETTE · 360 served · groundwater1
OSMOND I&S DISTRICT · AFTON · 315 served · groundwater1
JUBYS MOBILE HOME PARK · CODY · 300 served · purchased surface water1
ORCHARD VALLEY WATER COMPANY · CHEYENNE · 260 served · groundwater1
GTNP--MOOSE/BEAVER CREEK · MOOSE · 221 served · groundwater1
OSAGE WATER DISTRICT · OSAGE · 200 served · groundwater1
B&K MOBILE HOME PARK · RIVERTON · 200 served · groundwater1
JADE MHC · RIVERTON · 200 served · groundwater1
ELK MOUNTAIN, TOWN OF · ELK MOUNTAIN · 191 served · groundwater1
FIRST FIKE SUBDIVISION · RIVERTON · 150 served · groundwater1
INDIAN PAINTBRUSH WATER DISTRICT · WILSON · 150 served · groundwater1
WATER UNLIMITED, INCORPORATED · NEWCASTLE · 144 served · groundwater1
CARPENTER W&S DISTRICT · CARPENTER · 94 served · groundwater1
WESTVIEW VILLAGE · AFTON · 83 served · groundwater1
BAIROIL, TOWN OF · BAIROIL · 71 served · groundwater1
MILE-HI I&S DISTRICT · Natrona County · 48 served · purchased surface water1
SECOND FIKE SUBDIVISION · RIVERTON · 34 served · groundwater1
CEDAR SPRINGS MEADOWS · THAYNE · 19 served · groundwater1
NORTH FORTY SUBDIVISION · THAYNE · 15 served · groundwater1
CHEYENNE BOARD OF PUBLIC UTILITIES · CHEYENNE · 64,165 served · surface waternone on record
CASPER, CITY OF · CASPER · 59,000 served · purchased surface waternone on record
LARAMIE, CITY OF · LARAMIE · 32,395 served · surface waternone on record
GILLETTE, CITY OF · GILLETTE · 32,222 served · groundwaternone on record
JACKSON, TOWN OF · JACKSON · 24,760 served · groundwaternone on record
ROCK SPRINGS, CITY OF · ROCK SPRINGS · 24,000 served · purchased surface waternone on record
SHERIDAN, CITY OF · SHERIDAN · 22,700 served · surface waternone on record
EVANSTON, CITY OF · EVANSTON · 11,727 served · surface waternone on record
GREEN RIVER, CITY OF · GREEN RIVER · 10,500 served · purchased surface waternone on record
SOUTH CHEYENNE WATER & SEWER DISTRICT · CHEYENNE · 10,000 served · purchased surface waternone on record
NORTHWEST RURAL WATER DISTRICT · CODY · 7,330 served · purchased surface waternone on record
TORRINGTON MUNICIPAL WATER DEPT, CITY OF · TORRINGTON · 6,847 served · groundwaternone on record
DOUGLAS, CITY OF · DOUGLAS · 6,400 served · surface waternone on record
POWELL, CITY OF · POWELL · 6,310 served · purchased surface waternone on record
USAF F.E. WARREN AFB · CHEYENNE · 5,500 served · purchased surface waternone on record
WORLAND UTILITIES COMMISSION · WORLAND · 4,787 served · groundwaternone on record
GTNP-COLTER BAY VILLAGE · MOOSE · 4,514 served · groundwaternone on record
BAR NUNN, TOWN OF · MILLS · 4,000 served · purchased surface waternone on record
NEWCASTLE, CITY OF · NEWCASTLE · 3,595 served · groundwaternone on record
WRIGHT WATER & SEWER DISTRICT · WRIGHT · 3,207 served · groundwaternone on record
WHITE MOUNTAIN W&S DISTRICT · ROCK SPRINGS · 3,000 served · purchased surface waternone on record
EVANSVILLE, TOWN OF · EVANSVILLE · 2,873 served · surface waternone on record
THERMOPOLIS, TOWN OF · THERMOPOLIS · 2,775 served · surface waternone on record
YNP-MAMMOTH HOT SPRINGS · YELLOWSTONE NP · 2,600 served · surface waternone on record
SLEEPY HOLLOW SUBDIVISION · GILLETTE · 2,400 served · groundwaternone on record
LOVELL, TOWN OF · LOVELL · 2,250 served · purchased surface waternone on record
LYMAN, TOWN OF · LYMAN · 2,203 served · groundwater under surface influencenone on record
GREYBULL, TOWN OF · GREYBULL · 2,080 served · groundwaternone on record
AFTON, BOARD OF PUB UTILITIES · AFTON · 2,000 served · groundwaternone on record
GTNP-JACKSON LAKE LODGE · MOOSE · 1,830 served · groundwaternone on record
VISTA WEST WATER COMPANY · CASPER · 1,600 served · purchased surface waternone on record
LUSK, TOWN OF · LUSK · 1,576 served · groundwaternone on record
PIONEER WATER & SEWER DISTRICT · MILLS · 1,500 served · purchased surface waternone on record
ASPENS PINES W&S DISTRICT · JACKSON · 1,400 served · groundwaternone on record
RANCHESTER, TOWN OF · RANCHESTER · 1,297 served · surface waternone on record
ANTELOPE VALLEY I&S DISTRICT (AVISD) · GILLETTE · 1,280 served · groundwaternone on record
BASIN, TOWN OF · BASIN · 1,250 served · purchased groundwaternone on record
GUERNSEY, TOWN OF · GUERNSEY · 1,157 served · groundwaternone on record
WINCHESTER HILLS · CHEYENNE · 1,078 served · groundwaternone on record
BURNS BOARD OF PUBLIC UTILITIES · BURNS · 1,024 served · groundwaternone on record
PIONEER MOBILE HOME PARK · GREEN RIVER · 1,000 served · purchased surface waternone on record
WASHAKIE RURAL WATER SYSTEM · Washakie County · 990 served · purchased groundwaternone on record
CLEARVIEW I&S DISTRICT · ROCK SPRINGS · 930 served · purchased surface waternone on record
TETON VILLAGE WATER & SEWER DISTRICT · TETON VILLAGE · 906 served · groundwaternone on record
SOUTH BIG HORN COUNTY JPB · BASIN · 900 served · groundwaternone on record
MELODY RANCH IMPROVEMENT & SERVICE DIST. · JACKSON · 900 served · groundwaternone on record
FOX PARK SUBDIVISION · GILLETTE · 843 served · groundwaternone on record
HANNA, TOWN OF · HANNA · 841 served · surface waternone on record
DAYTON, TOWN OF · DAYTON · 824 served · surface waternone on record
FOOTHILLS MOBILE HOME PARK · GILLETTE · 735 served · purchased groundwaternone on record
GREATER SMOOT W&S DISTRICT · SMOOT · 720 served · groundwaternone on record
EASTVIEW MANUFACTURED HOME COMMUNITY · GILLETTE · 688 served · purchased groundwaternone on record
WEST WINDS · CHEYENNE · 663 served · purchased surface waternone on record
BIG COUNTRY ESTATES · CHEYENNE · 615 served · purchased surface waternone on record
SALT CREEK WATER DISTRICT · NEWCASTLE · 600 served · groundwaternone on record
HIGH MEADOW RANCH · Sublette County · 580 served · groundwaternone on record
BYRON, TOWN OF · BYRON · 561 served · purchased surface waternone on record
JAMESTOWN-RIO VISTA W&S DISTRICT · GREEN RIVER · 560 served · purchased surface waternone on record
SHOSHONI, TOWN OF · SHOSHONI · 515 served · groundwaternone on record
CRESTVIEW ESTATES SUBDIVISION · GILLETTE · 500 served · groundwaternone on record
PINE HAVEN, TOWN OF · PINE HAVEN · 498 served · groundwaternone on record
SOUTH LARAMIE W&S DISTRICT · LARAMIE · 490 served · purchased surface waternone on record
LINGLE, TOWN OF · LINGLE · 486 served · groundwaternone on record
SUNNY MEADOWS VILLAGE · LARAMIE · 485 served · purchased surface waternone on record
LONE TREE VILLAGE MHP · DOUGLAS · 475 served · purchased surface waternone on record
NORDIC RANCHES WATER, LLC. · ALPINE · 465 served · groundwaternone on record
HUDSON, TOWN OF · HUDSON · 460 served · groundwater under surface influencenone on record
SOUTH TORRINGTON WATER DISTRICT · TORRINGTON · 450 served · purchased groundwaternone on record
SOUTH THERMOPOLIS W&S DISTRICT · THERMOPOLIS · 450 served · purchased surface waternone on record
WESTERN HILLS MHP · ROCK SPRINGS · 450 served · purchased surface waternone on record
ENCAMPMENT, TOWN OF · ENCAMPMENT · 450 served · surface waternone on record
ROLLING HILLS, TOWN OF · ROLLING HILLS · 450 served · groundwaternone on record
LA GRANGE, TOWN OF · LA GRANGE · 448 served · groundwaternone on record
SINCLAIR, TOWN OF · SINCLAIR · 433 served · purchased surface waternone on record
HULETT, TOWN OF · HULETT · 420 served · groundwaternone on record
WESTVIEW MHC · Campbell County · 416 served · purchased groundwaternone on record
MEANS IMPROVEMENT & SERVICE DISTRICT · GILLETTE · 410 served · groundwaternone on record
FREEDOM HILLS SUBDIVISION · GILLETTE · 400 served · groundwaternone on record
SPRING CREEK IMPROVEMENT DISTRICT · JACKSON · 400 served · groundwaternone on record
NICKELSON FARMS WATER COMPANY · GILLETTE · 400 served · groundwaternone on record
DOWNER NEIGHBORHOOD I&S DISTRICT · SHERIDAN · 400 served · purchased surface waternone on record
GREEN ACRES MOBILE HOME PARK · CODY · 375 served · purchased surface waternone on record
LEWIS MOBILE HOME PARK · ROCK SPRINGS · 370 served · purchased surface waternone on record
THAYNE, TOWN OF · THAYNE · 366 served · groundwaternone on record
LUCERNE WATER AND SEWER DIST. · THERMOPOLIS · 350 served · purchased groundwaternone on record
BREAZEALE'S MOBILE HOME PARK · LARAMIE · 345 served · purchased surface waternone on record
TERRACE I MHC · CASPER · 336 served · purchased surface waternone on record
SNAKE RIVER SPORTING CLUB · JACKSON · 332 served · groundwaternone on record
HORIZON MHP · ROCK SPRINGS · 330 served · purchased surface waternone on record
RIVERSIDE MOBILE HOME COURT · CASPER · 330 served · purchased surface waternone on record
CIMMARON VILLAGE · CHEYENNE · 327 served · purchased surface waternone on record
MEETEETSE, TOWN OF · MEETEETSE · 327 served · groundwater under surface influencenone on record
MIDWEST, TOWN OF · MIDWEST · 325 served · purchased surface waternone on record
HIDDEN HILLS MHP · CASPER · 324 served · purchased surface waternone on record
TERRACE II MHC · CASPER · 320 served · purchased surface waternone on record
TEN MILE WATER AND SEWER DISTRICT · ROCK SPRINGS · 305 served · purchased surface waternone on record
HIGHVIEW MFG MOBILE HOME COMMUNITY (MHC) · GILLETTE · 304 served · purchased groundwaternone on record
FREEDOM W&S DISTRICT · FREEDOM · 300 served · groundwaternone on record
COOK ROAD WATER DISTRICT · GILLETTE · 291 served · groundwaternone on record
GLENDO, TOWN OF · GLENDO · 289 served · groundwaternone on record
WHITE MOUNTAIN MOBILE HOME PARK · ROCK SPRINGS · 270 served · purchased surface waternone on record
GREEN VALLEY MHP · CASPER · 265 served · purchased surface waternone on record
KAYCEE, TOWN OF · KAYCEE · 263 served · groundwaternone on record
SKYLINE RANCH I&S DISTRICT · JACKSON · 260 served · groundwaternone on record
CEDAR HILLS WATER ASSOCIATION · GILLETTE · 258 served · groundwaternone on record
EAST THERMOPOLIS, TOWN OF · THERMOPOLIS · 254 served · purchased surface waternone on record
AIR BASE ACRES I&S DISTRICT · MILLS · 236 served · purchased surface waternone on record
FORT LARAMIE, TOWN OF · FORT LARAMIE · 230 served · groundwaternone on record
AMERICAN ROAD W&S DISTRICT · GILLETTE · 220 served · groundwaternone on record
RIDGEWATER IMPROVEMENT DISTRICT · DOUGLAS · 218 served · purchased surface waternone on record
ROCK RIVER, TOWN OF · ROCK RIVER · 211 served · surface waternone on record
FISH CREEK IMPROVEMENT AND SERVICE DIST · WILSON · 210 served · groundwaternone on record
POISON SPIDER I&S DISTRICT · MILLS · 200 served · purchased surface waternone on record
GROS VENTRE UTILITY · JACKSON · 200 served · groundwaternone on record
NINE-MILE WATER & SEWER DISTRICT · LARAMIE · 200 served · purchased surface waternone on record
STONE GATE ESTATES · GILLETTE · 198 served · groundwaternone on record
EDGERTON, TOWN OF · EDGERTON · 195 served · purchased surface waternone on record
FORCE ROAD JOINT POWERS BOARD · GILLETTE · 195 served · groundwaternone on record
PEOPLE`S IMPROVEMENT & SERVICE DISTRICT · GILLETTE · 176 served · groundwaternone on record
DEAVER MUNICIPAL WATER SYSTEM · DEAVER · 176 served · purchased surface waternone on record
Y-O INVESTMENTS, INC. · WHEATLAND · 173 served · groundwaternone on record
LEX MOBILE HOME PARK · GILLETTE · 172 served · purchased groundwaternone on record
DOUGLAS KOA CG & PINE MEADOWS MHP · DOUGLAS · 165 served · groundwaternone on record
FRANNIE, TOWN OF · FRANNIE · 160 served · purchased surface waternone on record
GROS VENTRE NORTH HOA · JACKSON · 160 served · groundwaternone on record
ENGLEWOOD VILLAGE MHP · CHEYENNE · 152 served · purchased surface waternone on record
SOUTH END WATER USERS S&I DISTRICT · LOVELL · 150 served · purchased groundwaternone on record
EVANS MOBILE HOME COURT · JACKSON · 150 served · groundwaternone on record
BALD MOUNTAIN TRAILER COURT · BUFFALO · 150 served · groundwaternone on record
SANDY LAKE ESTATES I&S DISTRICT · CASPER · 150 served · purchased surface waternone on record
CAMBRIA I&S DISTRICT · NEWCASTLE · 148 served · purchased groundwaternone on record
GARCIA MOBILE HOME PARK · ROCK SPRINGS · 148 served · purchased surface waternone on record
EAGLE RIDGE MHP, LLC · GILLETTE · 140 served · groundwaternone on record
FAIRWAY ESTATES · DOUGLAS · 135 served · groundwaternone on record
ETNA WATER & SEWER DISTRICT · ETNA · 135 served · groundwaternone on record
SIERRA MADRE JPB · ENCAMPMENT · 130 served · groundwaternone on record
SEVEN MILE WATER & SEWER DISTRICT · LARAMIE · 130 served · purchased surface waternone on record
PLEASANT VIEW WATER COMPANY · MILLS · 130 served · purchased surface waternone on record
HIGHLAND RANCH ESTATES · CHEYENNE · 128 served · groundwaternone on record
NORTH GURLEY MOBILE HOME PARK · Campbell County · 128 served · purchased groundwaternone on record
SOUTH RIVERSIDE ACRES WTR IMPR DIST · EVANSVILLE · 125 served · groundwaternone on record
SECTION 4 WATER SYSTEM INCORPORATED · GILLETTE · 120 served · groundwaternone on record
EIGHT MILE SUBDIVISION · GILLETTE · 120 served · groundwaternone on record
SHELL TOWN WATER IMPROVEMENT DISTRICT · SHELL · 120 served · purchased groundwaternone on record
TARGHEE TOWNE WATER DISTRICT · ALTA · 120 served · groundwaternone on record
TOWN OF ALPINE - MEGA WELL · ALPINE · 120 served · groundwaternone on record
VISTA WEST IMPROVEMENT & SERV DISTRICT · SUNDANCE · 120 served · groundwaternone on record
CLEARMONT, TOWN OF · CLEARMONT · 116 served · groundwaternone on record
DESERT TRAILS MHP · GREEN RIVER · 112 served · purchased surface waternone on record
W BAR K MOBILE HOME PARK · ROCK SPRINGS · 110 served · purchased surface waternone on record
MOBILE CORRALS MHP · ROCK SPRINGS · 110 served · purchased surface waternone on record
RAINTREE ESTATES · RIVERTON · 100 served · groundwaternone on record
DILLMAN ESTATES · TORRINGTON · 100 served · groundwaternone on record
THIRTY-THREE MILE ROAD I&S DISTRICT · MILLS · 100 served · purchased surface waternone on record
TRAIL RIDGE WATER SYSTEM · Lincoln County · 100 served · groundwaternone on record
A & J MOBILE HOME PARK · RIVERTON · 100 served · groundwaternone on record
TETON SHADOWS HOA · JACKSON · 100 served · groundwaternone on record
VALLEY VIEW MUTUAL WATER COMPANY · JACKSON · 100 served · groundwaternone on record
RIVERS BEND TRAILER COURT · CODY · 96 served · purchased surface waternone on record
STAR VIEW ESTATES · AFTON · 84 served · groundwaternone on record
GREYBULL HEIGHTS WATER USERS · GREYBULL · 84 served · purchased groundwaternone on record
CANYON IMPROVEMENT & SERVICE DISTRICT · NEWCASTLE · 79 served · groundwaternone on record
PINEVIEW I&S DISTRICT · GILLETTE · 75 served · groundwaternone on record
REDD FOX PARK HOA · LANDER · 75 served · purchased surface waternone on record
WILSON PARK SUBDIVISION · WILSON · 75 served · groundwaternone on record
SADDLE BUTTE WATER SYSTEM · JACKSON · 75 served · purchased groundwaternone on record
STROUP TRAILER COURT · GILLETTE · 74 served · groundwaternone on record
STAR VALLEY TRAILER COURT · AFTON · 72 served · groundwaternone on record
RODEO FLATS · GILLETTE · 72 served · groundwaternone on record
KIRBY, TOWN OF · KIRBY · 70 served · purchased groundwaternone on record
SUNSET RANCH WATER DISTRICT · NEWCASTLE · 70 served · purchased groundwaternone on record
OLD WEST CABINS · JACKSON · 70 served · groundwaternone on record
ANTELOPE RIDGE HOA · LARAMIE · 70 served · groundwaternone on record
WARM SPRINGS WATER DISTRICT · DUBOIS · 68 served · groundwaternone on record
OVERBROOK SUBDIVISION · GILLETTE · 66 served · groundwaternone on record
OPAL, TOWN OF · OPAL · 65 served · groundwaternone on record
SOUTH PARK VILLAGE SUBDIVISION · JACKSON · 65 served · groundwaternone on record
HARTVILLE, TOWN OF · HARTVILLE · 64 served · groundwaternone on record
RED HILLS SUBDIVISON · GILLETTE · 62 served · purchased groundwaternone on record
LAKEVIEW I&S DISTRICT · MILLS · 62 served · purchased surface waternone on record
EMERALD RIVER ESTATES · GREEN RIVER · 62 served · purchased surface waternone on record
HYATTVILLE S&I DISTRICT · HYATTVILLE · 60 served · groundwaternone on record
BAR-B-BAR MEADOWS · JACKSON · 55 served · groundwaternone on record
C-V RANCHES (BOCES REG V) · WILSON · 51 served · groundwaternone on record
BUFFALO VALLEY WATER DISTRICT · MORAN JCT · 50 served · groundwaternone on record
SUNDANCE MEADOWS SPID · DOUGLAS · 50 served · purchased surface waternone on record
SCHAREN SUBDIVISION · GREYBULL · 50 served · purchased groundwaternone on record
HWY 390 LLC · WILSON · 50 served · groundwaternone on record
MEADOW SPRINGS IMP & SERV · GILLETTE · 45 served · groundwaternone on record
COPPERLEAF WATER SYSTEM · CODY · 42 served · groundwaternone on record
JUNIPER PARK WATER ASSOCIATION · LANDER · 42 served · groundwaternone on record
RAFTER D IMPROVEMENT & SERVICE DISTRICT · GILLETTE · 40 served · groundwaternone on record
J-W SUBDIVISION ASSOCIATION · JACKSON · 40 served · groundwaternone on record
OAKLEY WATER, LLC · KEMMERER · 39 served · purchased surface waternone on record
FOX RIDGE WATER SYSTEM · GILLETTE · 38 served · groundwaternone on record
LITTLE HORSETHIEF CANYON HOA · JACKSON · 35 served · groundwaternone on record
PLEASANT VALLEY WATER ASSOCIATION · LANDER · 35 served · groundwaternone on record
BUCKMILLER ENTERPRISES, LLC · MOORCROFT · 33 served · groundwaternone on record
TETON SCIENCE SCHOOL-WILSON CAMPUS · JACKSON · 31 served · groundwaternone on record
SOUTHSIDE WELL I&S DISTRICT · GILLETTE · 30 served · purchased groundwaternone on record
HAGENS ESTATES · GILLETTE · 29 served · groundwaternone on record
BIGHORN MOUNTAIN CAMPGROUND · BUFFALO · 29 served · groundwaternone on record
SHOSHONE MUNICIPAL PIPELINE · CODY · 25 served · surface waternone on record
CENTRAL WY REGIONAL WATER SYSTEM JPB · CASPER · 25 served · surface waternone on record
BIG HORN REGIONAL JPB · WORLAND · 25 served · groundwaternone on record
FARSON MOBILE HOME COURT · FARSON · 20 served · groundwaternone on record
Source: U.S. EPA Safe Drinking Water Information System (SDWIS). "Health-based" counts maximum-contaminant-level, treatment-technique and maximum-residual-disinfectant-level violations recorded since 2015. A violation on record — especially a resolved one — is not a statement about water quality today; contact the water system or your state drinking-water program for current information.