Utah
494 Utilities
Serving: 3,257,000
Data available: 2014-2019
Contaminants Found: 75
EWG's drinking water quality report for Utah shows results of tests conducted by the water utilities in Utah and provided to EWG by the Utah Department of Environmental Quality.
Below are utilities in Utah serving over 10,000 people, listed alphabetically. Click the "more" button below to get the full list of utilities serving over 10,000 people.
Large utilities in Utah
Utilities that accumulated/accrued the most violation points as of April 2019 to March 2021 in Utah
The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) database collects compliance and enforcement-related information for drinking water utilities nationwide. ECHO water quality violation scores take into account federal health-based water quality standards, as well as monitoring, reporting and other drinking water quality requirements. Points are accrued based on specific problems at the utility - violations of health-based drinking water standards receive more points than monitoring and reporting violations - and the length of time until the violations were corrected.
Large utilities that accumulated/accrued the most violation points as of April 2019 to March 2021 in Utah
The Environmental Protection Agency's Enforcement and Compliance History Online (ECHO) database collects compliance and enforcement-related information for drinking water utilities nationwide. ECHO water quality violation scores take into account federal health-based water quality standards, as well as monitoring, reporting and other drinking water quality requirements. Points are accrued based on specific problems at the utility - violations of health-based drinking water standards receive more points than monitoring and reporting violations - and the length of time until the violations were corrected.
| Utility | Location | People Served | Violation Points |
|---|---|---|---|
| Mapleton City | Mapleton, UT | 10,523 | 2 |
| Smithfield City | Smithfield, UT | 10,223 | 1 |
| Cedar Hills Town Water System | Cedar Hills, UT | 10,261 | 1 |
| Grantsville City | Grantsville, UT | 10,660 | 1 |
| Ashley Valley Water and Sewer Id | Vernal, UT | 13,500 | 1 |
| Santaquin City | Santaquin, UT | 14,000 | 1 |
| Hurricane City | Hurricane, UT | 14,268 | 1 |
| Vineyard City | Vineyard, UT | 14,492 | 1 |
| Heber City Water System | Heber City, UT | 14,969 | 1 |
| South Ogden City Water System | Ogden, UT | 17,000 | 1 |
| Payson City Water System | Payson, UT | 19,000 | 1 |
| Clearfield City Water System | Clearfield, UT | 27,200 | 1 |
| Cedar City Waterworks | Cedar City, UT | 31,223 | 1 |
| Saratoga Springs City | Saratoga Springs, UT | 33,000 | 1 |
| Bountiful City Water System | Bountiful, UT | 37,500 | 1 |
| Roy City Water System | Roy, UT | 38,000 | 1 |
Contaminants found in Utah above health guidelines
| Found above health guidelines | Found | ||||||
|---|---|---|---|---|---|---|---|
| Contaminant | # of Utilities | People Served | # of Utilities | People Served | |||
Radium, combined (-226 & -228) | 419 | 3,191,483 | 428 | 3,197,749 | |||
Arsenic | 371 | 3,055,227 | 371 | 3,055,227 | |||
Total trihalomethanes (TTHMs) | 291 | 3,032,079 | 293 | 3,038,029 | |||
Nitrate | 386 | 3,007,153 | 427 | 3,213,550 | |||
Dibromochloromethane | 246 | 2,859,113 | 256 | 2,928,100 | |||
Bromodichloromethane | 238 | 2,843,523 | 241 | 2,924,823 | |||
Chloroform | 193 | 2,704,298 | 229 | 2,817,294 | |||
Chromium (hexavalent) | 82 | 2,684,945 | 84 | 2,701,287 | |||
Haloacetic acids (HAA5) | 184 | 2,668,916 | 185 | 2,688,440 | |||
Dichloroacetic acid | 163 | 2,590,629 | 166 | 2,653,414 | |||
Trichloroacetic acid | 140 | 2,491,614 | 141 | 2,492,104 | |||
Haloacetic acids (HAA9) | 64 | 2,364,341 | 75 | 2,607,745 | |||
Dibromoacetic acid | 125 | 1,490,498 | 129 | 2,023,180 | |||
Uranium | 40 | 1,393,719 | 41 | 1,393,959 | |||
Nitrate and nitrite | 64 | 1,343,787 | 67 | 1,465,370 | |||
Bromoform | 90 | 766,638 | 173 | 2,464,669 | |||
Bromochloroacetic acid | 9 | 660,355 | 9 | 660,355 | |||
Bromate | 26 | 465,004 | 30 | 991,104 | |||
Thallium | 4 | 130,150 | 8 | 141,115 | |||
Radon | 3 | 63,692 | 3 | 63,692 | |||
Tetrachloroethylene (perchloroethylene) | 5 | 61,276 | 5 | 61,276 | |||
Chloromethane | 1 | 33,000 | 3 | 107,750 | |||
Vinyl chloride | 1 | 33,000 | 1 | 33,000 | |||
1,2-Dichloropropane | 1 | 33,000 | 1 | 33,000 | |||
Antimony | 8 | 31,615 | 27 | 163,953 | |||
Manganese | 7 | 25,223 | 121 | 2,679,159 | |||
Cadmium | 5 | 24,406 | 6 | 24,896 | |||
Barium | 1 | 15,800 | 422 | 3,216,068 | |||
Di(2-ethylhexyl) phthalate | 1 | 8,500 | 6 | 33,594 | |||
Benzene | 2 | 1,860 | 3 | 34,860 | |||
Aluminum | 1 | 1,640 | 20 | 560,284 | |||
Contaminants found in Utah above legal limits
| Contaminant | # of Utilities | People Served | |
|---|---|---|---|
Di(2-ethylhexyl) phthalate | 1 | 8,500 | |
Radium, combined (-226 & -228) | 3 | 1,677 | |
Total trihalomethanes (TTHMs) | 2 | 720 | |
Arsenic | 1 | 675 | |
Nitrate and nitrite | 1 | 27 | |
Nitrate | 1 | 27 |