| LAKECREST MOBILE COURT | | 52 | 0.0305 mg/L |
| WADSWORTH MOBILE HOME PARK | | 90 | 0.0270 mg/L |
| ESCAPEE CO OP OF NEVADA | | 200 | 0.0268 mg/L |
| VALMY STATION MOBILE HOME PARK | | 96 | 0.0262 mg/L |
| AMARGOSA WATER COMPANY | | 54 | 0.0258 mg/L |
| WALKER LAKE GID | | 450 | 0.0242 mg/L |
| SHETLAND WATER DISTRICT | | 38 | 0.0238 mg/L |
| SIERRA COUNTRY ESTATES | | 47 | 0.0235 mg/L |
| JARBIDGE WATER SYSTEM | JARBIDGE | 200 | 0.0234 mg/L |
| OLYMPIC VALLEY MWC | | 756 | 0.0213 mg/L |
| PINE RIDGE NO 2 | CONCORD | 61 | 0.0206 mg/L |
| COLD CREEK CANYON HOMEOWNERS | COLD CREEK | 180 | 0.0202 mg/L |
| PINEVIEW ESTATES | | 450 | 0.0201 mg/L |
| Washoe Tribe Stewart | | 150 | 0.0200 mg/L |
| TORREY PINES TINA LN WTR ASSOC | | 70 | 0.0156 mg/L |
| CALIENTE PUBLIC UTILITIES | CALIENTE | 1,100 | 0.0154 mg/L |
| LOVELOCK CORRECTIONAL CENTER NDOC | | 1,630 | 0.0150 mg/L |
| RUBY DOME HOLDINGS DBA ELKO RV PARK | | 357 | 0.0150 mg/L |
| MONTELLO WATER SYSTEM | MONTELLO | 287 | 0.0150 mg/L |
| ROARK ESTATES WATER ASSOC | | 60 | 0.0150 mg/L |
| ANCHOR IN MHP | | 36 | 0.0150 mg/L |
| ELY MAXIMUM SECURITY PRISON NDOC | | 1,099 | 0.0149 mg/L |
| LUNA VISTA | | 66 | 0.0145 mg/L |
| SPRING MOUNTAIN MOTOR SPORTS RANCH | | 85 | 0.0143 mg/L |
| KATHERINE LANDING DWTP | KATHERINE LANDING | 1,300 | 0.0141 mg/L |
| MOUNT ROSE BOWL PROPERTY OWNERS WATER CO | | 40 | 0.0137 mg/L |
| RIO VISTA NV LLC | | 65 | 0.0132 mg/L |
| KYLE CANYON WATER DISTRICT | KYLE CANYON | 1,040 | 0.0130 mg/L |
| MOUNTAIN FALLS WATER SYSTEM GBWC | | 4,345 | 0.0128 mg/L |
| HAWTHORNE ARMY DEPOT | | 300 | 0.0121 mg/L |
| Washoe Tribe Carson Colony | Carson Colony | 450 | 0.0120 mg/L |
| Duck Valley Owyhee | Owyhee | 150 | 0.0119 mg/L |
| SKY RANCH ESTATES | | 110 | 0.0119 mg/L |
| HARRIS SPRINGS RANCH | HARRIS SPRINGS | 40 | 0.0111 mg/L |
| LAKESIDE ESTATES | HARTFORD | 54 | 0.0111 mg/L |
| GOLCONDA GID | GOLCONDA | 210 | 0.0110 mg/L |
| NPS ECHO BAY | | 274 | 0.0109 mg/L |
| DEVILS GATE WATER SYSTEM GID 2 | | 132 | 0.0108 mg/L |
| NPS BOULDER BEACH | | 690 | 0.0108 mg/L |
| MCCARTNEY MOBILE ESTATES MHP 1 | | 25 | 0.0107 mg/L |
| Battle Mountain | Battle Mountain | 195 | 0.0107 mg/L |
| PLANTATION ACRES MHP | HEPHZIBAH | 226 | 0.0106 mg/L |
| PANACA FARMSTEAD ASSOCIATION | PANACA | 900 | 0.0105 mg/L |
| MANHATTAN TOWN WATER | MANHATTAN | 40 | 0.0105 mg/L |
| MCCARTNEY MOBILE ESTATES MHP 2 | | 31 | 0.0104 mg/L |
| PINION PINES MHP | | 30 | 0.0102 mg/L |
| GRANDVIEW TERRACE WATER DISTRICT | | 328 | 0.0102 mg/L |
| ELKO CITY OF | ELKO | 23,000 | 0.0100 mg/L |
| VALLEY VIEW RV PARK | | 250 | 0.0100 mg/L |
| DESERT MIRAGE HOMEOWNERS ASSOCIATION | | 230 | 0.0100 mg/L |
| Yomba Indian Reservation | Yomba Shoshone Tribe | 30 | 0.0098 mg/L |
| BERMUDA PALMS MANAGEMENT LLC | | 60 | 0.0098 mg/L |
| PINE RIDGE MHP NO 1 | CONCORD | 51 | 0.0097 mg/L |
| ELK POINT COUNTRY CLUB | | 325 | 0.0094 mg/L |
| CREEKSIDE CABINS & RV RESORT | | 124 | 0.0092 mg/L |
| GREAT BASIN WATER CO SPRING CREEK MHP | | 3,640 | 0.0090 mg/L |
| JACKPOT WATER SYSTEM | JACKPOT | 1,240 | 0.0090 mg/L |
| RIVERVIEW MOBILE HOME PARK | | 59 | 0.0090 mg/L |
| BIG BEND WATER DISTRICT | LAUGHLIN | 9,000 | 0.0087 mg/L |
| EMPIRE MINING COMPANY | EMPIRE | 350 | 0.0087 mg/L |
| CAVE ROCK SKYLAND | SKYLAND | 1,267 | 0.0086 mg/L |
| CHIPMUNK RETREAT | | 45 | 0.0086 mg/L |
| SEARCHLIGHT WATER COMPANY | SEARCHLIGHT | 760 | 0.0085 mg/L |
| MOAPA VALLEY WATER DISTRICT | MOAPA | 8,500 | 0.0084 mg/L |
| SUNSET MHP | | 90 | 0.0084 mg/L |
| JEAN UTILITY SERVICES INC | JEAN | 560 | 0.0083 mg/L |
| GREAT BASIN WATER COMPANY | | 12,255 | 0.0082 mg/L |
| SILVER PEAK WATER SYSTEM | | 138 | 0.0081 mg/L |
| CARVERS SMOKEY VALLEY RV AND MHP | | 250 | 0.0081 mg/L |
| HOLBROOK STATION RV AND MHP | HOLBROOK JUNCTION | 180 | 0.0081 mg/L |
| STAGECOACH GID | | 1,628 | 0.0080 mg/L |
| SIERRA ESTATES GID | | 170 | 0.0080 mg/L |
| SPRING MOUNTAIN YOUTH CAMP | | 120 | 0.0080 mg/L |
| FRANKLIN MHP | FRANKLIN | 118 | 0.0080 mg/L |
| LAMOILLE WATER USERS ASSOC | LAMOILLE | 200 | 0.0080 mg/L |
| CARLIN UTILITIES | CARLIN | 2,500 | 0.0078 mg/L |
| SILVER SPRINGS MUTUAL WATER COMPANY | | 3,070 | 0.0078 mg/L |
| GULF COAST TRADES CENTER | | 150 | 0.0075 mg/L |
| LOGAN CREEK ESTATES GID | | 50 | 0.0074 mg/L |
| BIG FIVE PARK | | 65 | 0.0071 mg/L |
| LAS VEGAS VALLEY WATER DISTRICT | LAS VEGAS | 1,539,277 | 0.0070 mg/L |
| GREAT BASIN WATER CO SPRING CREEK | | 9,340 | 0.0070 mg/L |
| WINNEMUCCA CITY OF | WINNEMUCCA | 8,518 | 0.0070 mg/L |
| FAIRGROUNDS/SUNRISE ESTATES | | 1,011 | 0.0070 mg/L |
| VERDI MEADOWS UTILITY COMPANY INC | | 510 | 0.0070 mg/L |
| WEED HEIGHTS DEVELOPMENT | | 340 | 0.0070 mg/L |
| MOUNTAIN CITY WATER AND SEWER | MOUNTAIN CITY | 30 | 0.0070 mg/L |
| MCGILL WATER AND SEWER DIST | MCGILL | 1,200 | 0.0068 mg/L |
| Duck Valley Newtown | Newtown | 450 | 0.0067 mg/L |
| INDIAN SPRINGS WATER CO INC | INDIAN SPRINGS | 900 | 0.0067 mg/L |
| RANCHO COOPERATIVE WATER COMPANY | | 112 | 0.0065 mg/L |
| KINGSBURY GID | KINGSBURY | 3,839 | 0.0065 mg/L |
| PINE VISTA MHP 1 | PRAIRIE DU SAC | 60 | 0.0064 mg/L |
| PAHRUMP UTILITY COMPANY INC | PAHRUMP | 985 | 0.0061 mg/L |
| NELLIS AIR FORCE BASE | | 19,081 | 0.0060 mg/L |
| FALLON CITY OF | FALLON | 9,184 | 0.0060 mg/L |
| TOPAZ RANCH ESTATES GID AND WATER CO | | 1,545 | 0.0060 mg/L |
| EQUESTRIAN ESTATES CO OP WATER ASSOC | | 108 | 0.0060 mg/L |
| YERINGTON CITY OF | | 5,050 | 0.0058 mg/L |
| RUTH WATER DISTRICT | RUTH | 470 | 0.0058 mg/L |