| SALT LAKE CITY WATER SYSTEM | | 383,612 | 0.0070 mg/L |
| GRANGER-HUNTER IMPROVEMENT DISTRICT | | 121,083 | 0.0050 mg/L |
| WEST JORDAN CITY WATER SYSTEM | | 117,025 | 0.0050 mg/L |
| PROVO CITY | | 116,288 | 0.0076 mg/L |
| ST GEORGE CITY WATER SYSTEM | | 105,240 | 0.0060 mg/L |
| SANDY CITY WATER SYSTEM | | 99,750 | 0.0080 mg/L |
| JORDAN VALLEY WCD | | 99,335 | 0.0060 mg/L |
| OREM CITY WATER SYSTEM | | 98,129 | 0.0066 mg/L |
| LEHI CITY | | 93,446 | 0.0067 mg/L |
| SOUTH JORDAN CITY | | 89,704 | 0.0060 mg/L |
| OGDEN CITY WATER SYSTEM | | 87,267 | 0.0060 mg/L |
| LAYTON CITY WATER SYSTEM | | 82,000 | 0.0050 mg/L |
| SARATOGA SPRINGS CITY | | 68,000 | 0.0152 mg/L |
| TAYLORSVILLE-BENNION ID | | 67,098 | 0.0050 mg/L |
| EAGLE MOUNTAIN CITY | | 61,266 | 0.0050 mg/L |
| HERRIMAN CITY MUNICIPAL WATER DEPARTMENT | | 60,000 | 0.0037 mg/L |
| UNIVERSITY OF UTAH | | 57,080 | 0.0133 mg/L |
| KEARNS IMPROVEMENT DISTRICT | | 56,700 | 0.0060 mg/L |
| LOGAN CITY WATER SYSTEM | | 55,540 | 0.0080 mg/L |
| SPANISH FORK CITY | | 47,169 | 0.0080 mg/L |
| WASHINGTON CITY | | 45,865 | 0.0050 mg/L |
| RIVERTON CITY WATER SYSTEM | | 45,600 | 0.0066 mg/L |
| PLEASANT GROVE CITY | | 40,000 | 0.0050 mg/L |
| CEDAR CITY WATERWORKS | | 39,670 | 0.0050 mg/L |
| AMERICAN FORK CITY | | 39,045 | 0.0080 mg/L |
| ROY CITY WATER SYSTEM | | 38,800 | 0.0086 mg/L |
| MURRAY CITY WATER SYSTEM | | 38,723 | 0.0050 mg/L |
| BOUNTIFUL CITY WATER SYSTEM | | 37,500 | 0.0070 mg/L |
| TOOELE CITY WATER SYSTEM | | 37,100 | 0.0090 mg/L |
| SYRACUSE CITY WATER SYSTEM | | 35,561 | 0.0052 mg/L |
| SPRINGVILLE CITY | | 35,516 | 0.0090 mg/L |
| CLEARFIELD CITY WATER SYSTEM | | 33,540 | 0.0096 mg/L |
| WATERPRO INC | | 33,100 | 0.0080 mg/L |
| MIDVALE CITY WATER SYSTEM | | 33,005 | 0.0073 mg/L |
| KAYSVILLE CITY WATER SYSTEM | | 32,976 | 0.0050 mg/L |
| MAGNA WATER DISTRICT | | 32,100 | 0.0050 mg/L |
| BONA VISTA WATER DISTRICT | | 29,000 | 0.0050 mg/L |
| FARMINGTON CITY WATER SYSTEM | | 27,860 | 0.0060 mg/L |
| HILL AIR FORCE BASE | | 25,625 | 0.0060 mg/L |
| HURRICANE CITY | | 25,555 | 0.0050 mg/L |
| SOUTH SALT LAKE CITY WATER SYSTEM | | 23,600 | 0.0064 mg/L |
| DRAPER CITY WATER SYSTEM | | 23,205 | 0.0080 mg/L |
| CLINTON CITY WATER SYSTEM | | 23,000 | 0.0070 mg/L |
| HIGHLAND CITY | | 22,000 | 0.0052 mg/L |
| NORTH OGDEN CITY | | 22,000 | 0.0050 mg/L |
| VINEYARD CITY | | 21,431 | 0.0059 mg/L |
| HOOPER WATER IMPROVEMENT DISTRICT | | 20,820 | 0.0050 mg/L |
| BRIGHAM CITY WATER SYSTEM | | 20,540 | 0.0080 mg/L |
| BLUFFDALE WATER SYSTEM | | 20,000 | 0.0090 mg/L |
| PAYSON CITY WATER SYSTEM | | 19,000 | 0.0100 mg/L |
| HEBER CITY WATER SYSTEM | | 19,000 | 0.0060 mg/L |
| NORTH SALT LAKE CITY WATER SYSTEM | | 18,655 | 0.0080 mg/L |
| SANTAQUIN CITY | | 17,532 | 0.0060 mg/L |
| SOUTH OGDEN CITY WATER SYSTEM | | 17,500 | 0.0050 mg/L |
| CENTERVILLE CITY WATER SYSTEM | | 17,155 | 0.0050 mg/L |
| GRANTSVILLE CITY | | 16,284 | 0.0050 mg/L |
| WHITE CITY WID | | 15,800 | 0.0080 mg/L |
| HOLLIDAY WATER COMPANY | | 15,000 | 0.0050 mg/L |
| MAPLETON CITY | | 14,000 | 0.0071 mg/L |
| ASHLEY VALLEY WATER AND SEWER ID | | 13,835 | 0.0068 mg/L |
| WOODS CROSS CITY WATER SYSTEM | | 13,110 | 0.0135 mg/L |
| TREMONTON CITY | | 13,000 | 0.0050 mg/L |
| LINDON CITY | | 11,900 | 0.0050 mg/L |
| HYRUM CITY | | 10,891 | 0.0050 mg/L |
| SOUTH DAVIS WATER DISTRICT | | 10,565 | 0.0100 mg/L |
| IVINS | | 10,465 | 0.0100 mg/L |
| SMITHFIELD CITY | | 10,223 | 0.0070 mg/L |
| ALPINE CITY | | 10,200 | 0.0080 mg/L |
| WEST POINT CITY WATER SYSTEM | | 10,040 | 0.0050 mg/L |
| CEDAR HILLS TOWN WATER SYSTEM | | 10,015 | 0.0060 mg/L |
| VERNAL CITY WATER SYSTEM | | 10,000 | 0.0050 mg/L |
| TAYLOR-WEST WEBER WID | | 9,900 | 0.0050 mg/L |
| STANSBURY PARK IMPROVEMENT DISTRICT | | 9,839 | 0.0050 mg/L |
| PROVIDENCE CITY WATER SYSTEM | | 9,690 | 0.0086 mg/L |
| SALEM CITY | | 9,298 | 0.0050 mg/L |
| WASHINGTON TERRACE CITY WATER SYSTEM | | 9,260 | 0.0050 mg/L |
| PLEASANT VIEW CULINARY WATER | | 9,250 | 0.0100 mg/L |
| NIBLEY CITY WATER | | 9,200 | 0.0100 mg/L |
| SANTA CLARA CITY | | 9,000 | 0.0050 mg/L |
| MOAB CITY | | 9,000 | 0.0050 mg/L |
| RIVERDALE CITY WATER SYSTEM | | 8,945 | 0.0050 mg/L |
| PARK CITY WATER SYSTEM | | 8,875 | 0.0090 mg/L |
| PRICE MUNICIPAL CORPORATION | | 8,867 | 0.0060 mg/L |
| NORTH LOGAN CITY | | 8,500 | 0.0066 mg/L |
| RICHFIELD CITY | | 8,360 | 0.0038 mg/L |
| MOUNTAIN REGIONAL WATER SSD | | 8,245 | 0.0072 mg/L |
| SOUTH WEBER WATER SYSTEM | | 8,125 | 0.0045 mg/L |
| ROOSEVELT CITY WATER SYSTEM | | 8,000 | 0.0067 mg/L |
| NEPHI CITY | | 7,122 | 0.0050 mg/L |
| MIDWAY CITY WATER SYSTEM | | 7,055 | 0.0065 mg/L |
| EPHRAIM CITY | | 7,000 | 0.0058 mg/L |
| PERRY CITY | | 6,570 | 0.0060 mg/L |
| ENOCH CITY WATER SYSTEM | | 6,500 | 0.0050 mg/L |
| HILDALE - COLORADO CITY | | 6,100 | 0.0078 mg/L |
| FRUIT HEIGHTS CITY WATER SYSTEM | | 6,075 | 0.0070 mg/L |
| SUMMIT WATER DISTRIBUTION COMPANY | | 6,000 | 0.0070 mg/L |
| PRICE RIVER WID | | 5,790 | 0.0065 mg/L |
| WEST BOUNTIFUL CITY WATER SYSTEM | | 5,600 | 0.0070 mg/L |
| ELK RIDGE TOWN | | 5,510 | 0.0066 mg/L |
| SUNSET CITY WATER SYSTEM | | 5,300 | 0.0050 mg/L |