◆ Utah Water Map
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Utah water hardness by city
Every figure below is the number the city or water district publishes itself, in grains per gallon. 35 of the 333 Utah cities and towns on the map publish a hardness figure; the other 298 publish none, which is why a test at the tap is the only way to know what is coming out of yours.
Anything above 10.5 grains per gallon is classed very hard, 7 to 10.5 hard, and 3.5 to 7 moderately hard. Where a city publishes a range or a seasonal figure, the higher number is shown.
Cities that publish a hardness figure
| City | Grains per gallon | Classification |
|---|---|---|
| Bountiful | 32 | Very hard |
| Pleasant Grove | 28.7 | Very hard |
| Orem | 25 | Very hard |
| St. George | 24 | Very hard |
| Stansbury Park | 22.2 | Very hard |
| Ivins | 22 | Very hard |
| Brigham City | 20 | Very hard |
| South Ogden | 18 | Very hard |
| Roy | 18 | Very hard |
| Clinton | 18 | Very hard |
| Clearfield | 18 | Very hard |
| Syracuse | 18 | Very hard |
| Centerville | 18 | Very hard |
| Provo | 15 | Very hard |
| Logan | 14.9 | Very hard |
| Kaysville | 14 | Very hard |
| Hyrum | 13 | Very hard |
| Salt Lake City | 12.4 | Very hard |
| American Fork | 12.4 | Very hard |
| Riverdale | 12 | Very hard |
| Herriman | 12 | Very hard |
| Payson | 11.7 | Very hard |
| Murray | 11.3 | Very hard |
| South Salt Lake | 11.2 | Very hard |
| Riverton | 11.1 | Very hard |
| West Jordan | 10.7 | Very hard |
| Sandy | 10.6 | Very hard |
| Farmington | 10 | Hard |
| West Valley City | 10 | Hard |
| Cottonwood Heights | 10 | Hard |
| South Jordan | 10 | Hard |
| Draper | 10 | Hard |
| Bluffdale | 10 | Hard |
| Saratoga Springs | 8.3 | Hard |
| Magna | 5.7 | Moderately hard |
Where the water comes from
Hardness follows the source. These are the supplies each city names in its own reporting.
| City | Source |
|---|---|
| American Fork | 6 deep wells plus a spring in American Fork Canyon. |
| Beaver | Our water sources have been determined to be from groundwater. Our water sources are 15 Springs and 3 wells. |
| Blanding | Johnson Creek and Indian Creek intakes plus wells A, B, C. |
| Bluffdale | Purchased entirely from Jordan Valley Water Conservancy District. |
| Brigham City | Reservoirs, wells and springs. |
| Castle Dale | No sources of its own; the city buys all of its culinary water from Orangeville. |
| Cedar City | Eight wells and four springs including Shurtz Canyon and Cedar Canyon springs. |
| Centerville | Weber Basin district figure; city publishes none. |
| Clearfield | Weber Basin district figure; city publishes none. |
| Clinton | City calls its water very hard; Weber Basin plus one deep well. |
| Coalville | Our water sources are groundwater which we get from one spring and 2 wells. |
| Delta | Three wells - Factory, Gardner, Ridgetop. |
| Draper | JVWCD figure; Draper buys all water from JVWCD. |
| Duchesne | Starvation Reservoir. |
| Eagle Mountain | Walden, Pony Express, Cook 2 and two numbered wells plus Central Utah WCD surface water. |
| Enoch | Enoch City provides its consumers with ground water. Our water sources include 7 wells, listed as Homestead Well, Anderson Well, Ravine Road Well, Iron Works Well and Tank Well. |
| Ephraim | Ephraim City provides its consumers with groundwater. Our water sources include thirteen (13) springs and three (3) wells. |
| Farmington | About 90% city wells, 10% Weber Basin. |
| Ferron | A single surface source, the Millsite Intake, through Castle Valley Special Service District. |
| Fillmore | Our water sources have been determined to be from groundwater sources. Our water sources are Water Cress Spring and Fillmore Airport Wells 2 and 3. |
| Grantsville | Six wells - Park, South, South Willow, Hunsaker, North Well Replacement, Marshall. |
| Gunnison | Our water sources are Bartholomew Well, Christensen Well and Sorensen Well. We also purchase water from Centerfield Town Water System. |
| Heber City | Broadhead Spring & Well, Hospital Well, Valley Hills Well. |
| Helper | Our water sources have been determined to be from groundwater sources. Our water sources are named Spring Canyon Spring and Fish Creek Spring. |
| Herriman | Blended year-round, more district water in summer; switches to district water only from mid-October. |
| Hildale | 13 groundwater sources. |
| Holladay | No city water system; residents split between Salt Lake City Public Utilities, Holliday Water Co and JVWCD - recommend no figure and no single-provider claim. |
| Huntington | Huntington's culinary system is run by Castle Valley Special Service District. Its active sources are Big Bear Canyon, Little Bear Canyon, Tie Fork Upper and Tie Fork Lower springs. |
| Hurricane | Toquerville and Ash Creek springs, Stratton and Dixie Springs wells, plus WCWCD. |
| Hyrum | Four springs and three deep wells. |
| Ivins | Purchased Gunlock wells (via St. George), Quail Creek WTP, Sand Hollow wells, Snow Canyon wells. |
| Kamas | Left Hand Fork Spring, Hillside Well, Simpson Well. |
| Kanab | Groundwater only - Mace Well 2, Chicken Canyon Well 4, West Fork Wells 1-4 and Wells 5 and 9 through 15. |
| Layton | City wells blended with purchased Weber Basin water, varying by season and location. |
| Lehi | Seven wells, three springs, plus Central Utah WCD surface water. |
| Lindon | Dry Canyon Spring plus four wells. |
| Logan | Dewitt Spring plus four wells. |
| Magna | Ten wells in two well fields plus supplemental JVWCD. |
| Manti | Manti's active sources are the 204 West 500 North well and the Mt. Springs Group, in which Cold, Middle Fork, Sister, Millcreek, Hogard, North Slope, Big Dry and Deer Trail springs are combined and metered together. |
| Mapleton | Maple Canyon spring collection plus purchased and retrofitted wells. |
| Midvale | West side on Midvale wells (Million Gallon, Oak Street, Hancock), east side purchased from JVWCD. |
| Midway | Two wells and two springs. |
| Moab | Three wells and four springs - Springs 1, 2 and 3, Skakel Spring, Well #6, Well #10 Robertson and Well #12 Golf Course. |
| Monticello | Our primary water source is Blue Mountain Springs, which consists of spring collection and surface diversions. The Hideout Well is a groundwater source held in reserve. |
| Morgan | North Morgan and Robinson springs; Park, Island Road and Mahogany wells. |
| Mount Pleasant | Four wells and four springs. |
| Murray | 19 deep wells and 8 springs. |
| Nephi | Bradley, Lower Bradley and Marsh Canyon springs plus Jones Well and Equipment Shed Well. |
| North Logan | Our water sources are Water Canyon Springs, the 1900 N 50 W well, Green Canyon Wells 1 and 2, and Beef Hollow Well. |
| North Ogden | Upper Cold-Water Spring, Rice Creek Spring, North Ogden Canyon Spring, Lower Cold Water Spring, Lake View Heights Well, Wells 1-3. |
| Ogden | Wells, Pineview Reservoir and Wheeler Creek surface water, plus purchased Weber Basin water. |
| Orem | About 60% surface water from the regional plant, 40% city wells and springs. |
| Panguitch | DeLong Creek springs, Indian Hollow, city wells. |
| Park City | Park City has eight culinary water sources: three deep wells, one spring, two tunnels, Rockport Reservoir and one imported source, feeding 43 pressure zones through three treatment plants. |
| Parowan | Two wells and one spring - Canyon Well, 300 East Well and Main Canyon Spring. |
| Payson | 4 wells and 8 springs; city labels this very hard. |
| Perry | Our water sources have been determined to be from groundwater sources. Our water sources are Well #2, Well #3, Stokes Spring, and East Bench Well. |
| Pleasant Grove | Nearly 2x variation across the city. |
| Pleasant View | Little Missouri Spring, Alder Creek Spring, Alder Creek #2 Well, Macs Well, Jesse Creek Well, Well #4. |
| Price | Lower and Upper Colton springs plus the Colton-area wells. |
| Providence | Broad Hollow Spring plus the Dales, Alder-West and 400 South Providence wells. |
| Provo | City describes it as moderately hard; springs and deep wells. |
| Richfield | Richfield City provides its consumers with groundwater. Our water sources include one (1) spring and three (3) wells. |
| Riverdale | Two city wells plus Weber Basin wells. |
| Riverton | Buys all water from JVWCD. |
| Roosevelt | Hayden Wells 1-4 and 5 Replacement plus Durigan SP Well 1. |
| Roy | Weber Basin plus 4 city deep wells; report tells residents to watch softener settings because of the spread. |
| Salem | Two wells and two springs - Upper and Lower Water Canyon springs, Storage Reservoir Well and Maple Canyon Well. |
| Salina | One well and one spring - Tunnel Spring and Denmark Well. |
| Santa Clara | Vested rights plus purchases from St George City and WCWCD - Snow Canyon and Gunlock wells, Quail Creek WTP. |
| Saratoga Springs | City describes it as moderately hard; Central Utah district water plus 5 city wells. |
| Smithfield | Eight Smithfield Canyon springs plus three deep wells. |
| South Jordan | Buys all water from JVWCD; city labels this hard. |
| South Ogden | Weber Basin Water Conservancy District (surface). |
| South Salt Lake | Davis Replacement Well plus purchases from Salt Lake City and JVWCD. |
| Spanish Fork | Five groundwater springs and two wells. |
| Springville | Four springs and seven wells. |
| St. George | Published as the recommended softener setting range; most customers get a groundwater and surface water mix part of the year. |
| Stansbury Park | Five culinary wells (SPID). |
| Syracuse | Purchases from Weber Basin. |
| Taylorsville | Taylorsville-Bennion Improvement District wells on the Salt Lake Valley Principal Aquifer plus purchased JVWCD surface water. |
| Tooele | Left-Hand Fork Spring plus fourteen wells. |
| Tremonton | Our water sources are the West, East, Gardner, North, South and Fish springs, the Garland Overflow and the Cedar Ridge Well. We also purchase water from the Bear River Water Conservancy District. |
| Vernal | Surface water, primarily Ashley Springs in Ashley Gorge, with Red Fleet Reservoir as the alternate. |
| Vineyard | 100% purchased but from two suppliers - Central Utah Water and Orem City Water. |
| Washington | Eleven wells plus connections to WCWCD Quail Lake and Sand Hollow. |
| Wendover | Wendover's active sources are all springs - Miners Canyon, Munsee, Neilson, and the Cedar Spring Creek and Cottonwood Spring Creek intakes. The city also purchases water from West Wendover, Nevada. |
| West Jordan | 93% JVWCD, 7% city wells - the wide range reflects that split. |
| West Valley City | Granger-Hunter Improvement District; 6 wells plus JVWCD surface water. |
| Willard | Our water sources have been determined to be from groundwater sources. Our water sources are Upper Spring and the 2003 North Well, grouped together, and the 1995 Well. |
