Water Quality Report · Updated May 12, 2026
KEARNS IMPROVEMENT DISTRICT
KEARNS IMPROVEMENT DISTRICT delivers tap water graded D (57/100) by TapWaterSafety.org. The utility serves approximately 56,700 residents in KEARNS, Utah using surface water (purchased). The most significant water quality concerns are: Arsenic significantly above health guideline; Haloacetic acids (HAA9) significantly above health guideline; Total trihalomethanes (TTHMs) significantly above health guideline. For questions, the utility can be reached at 801-968-1011.
Is KEARNS tap water safe to drink?
KEARNS IMPROVEMENT DISTRICT delivers tap water that earns a grade of D (57/100) from TapWaterSafety.org — a below-average rating, with multiple concerns including arsenic significantly above health guideline.
The utility serves 56,700 residents in KEARNS, drawing from surface water (purchased).
Public testing data identifies 15 contaminants in this water above EWG's health-based guidelines, including: Arsenic, Haloacetic acids (HAA9), Total trihalomethanes (TTHMs), Haloacetic acids (HAA5), Bromodichloromethane, Trichloroacetic acid, Chloroform, Dichloroacetic acid, Dibromochloromethane, Chromium (hexavalent), Nitrate and nitrite*, Nitrate, Uranium*, Radium, combined (-226 and -228), Dibromoacetic acid. For most residents, a properly certified home filter at the kitchen tap is the most cost-effective way to reduce exposure to whatever's in your water. See our filter recommendations below, matched specifically to this utility's contaminant profile.
Quick actions for KEARNS residents
Top concerns in this water
Based on the most recent EPA and EWG data, these are the most significant water quality issues for KEARNS IMPROVEMENT DISTRICT.
Arsenic significantly above health guideline
Moderate concernArsenic detected at 1.78 ppb, 446x above the EWG health guideline of 0.004 ppb.
Haloacetic acids (HAA9) significantly above health guideline
Moderate concernHaloacetic acids (HAA9) detected at 23.9 ppb, 398x above the EWG health guideline of 0.06 ppb.
Total trihalomethanes (TTHMs) significantly above health guideline
Moderate concernTotal trihalomethanes (TTHMs) detected at 40.9 ppb, 273x above the EWG health guideline of 0.15 ppb.
Contact KEARNS IMPROVEMENT DISTRICT
Reach the utility directly for service issues, water quality concerns, or to request your Consumer Confidence Report.
General Contact
Treatment Plant
Recommended water filters for KEARNS
Filters matched to the specific contaminants in this water supply.
Reverse Osmosis
$249-$750Arsenic is most effectively removed by reverse osmosis. Some specialized adsorptive filters also work.
Carbon block (NSF/ANSI 42 + 53)
$40-$750Activated carbon is highly effective for disinfection byproducts like TTHM and HAA5.
Disclosure: TapWaterSafety earns a commission from purchases made through these links. This does not influence our scoring methodology or filter selection.
Score breakdown
This utility's overall score of 57/100 breaks down across five weighted components. Read the full methodology →
Contaminants detected — international standards comparison
Every contaminant detected, compared side-by-side against US EPA legal limits, the EU Drinking Water Directive (2020/2184), WHO Guidelines, and California's Public Health Goal (the strictest US benchmark). Why we show multiple standards →
| Contaminant | Detected | EWG US health-based |
EPA US legal |
EU DWD Europe |
WHO global |
CA PHG strictest US |
Tested sample year |
Status |
|---|---|---|---|---|---|---|---|---|
| Arsenic Heavy metal |
1.78 ppb | 0.004 | 10.0 | 10 | 10 | 0.004 | — | 446× over |
| Haloacetic acids (HAA9) Disinfection byproduct |
23.9 ppb | 0.06 | — | — | — | — | — | 398× over |
| Total trihalomethanes (TTHMs) Disinfection byproduct |
40.9 ppb | 0.15 | 80.0 | 100 | — | — | — | 273× over |
| Haloacetic acids (HAA5) Disinfection byproduct |
19.2 ppb | 0.1 | 60.0 | 60 | — | — | — | 192× over |
| Bromodichloromethane Disinfection byproduct |
9.65 ppb | 0.06 | — | — | — | — | — | 161× over |
| Trichloroacetic acid Disinfection byproduct |
9.62 ppb | 0.1 | — | — | — | — | — | 96× over |
| Chloroform Disinfection byproduct |
26.4 ppb | 0.4 | — | — | — | — | — | 66× over |
| Dichloroacetic acid Disinfection byproduct |
9.44 ppb | 0.2 | — | — | — | — | — | 47× over |
| Dibromochloromethane Disinfection byproduct |
3.38 ppb | 0.1 | — | — | — | — | — | 34× over |
| Chromium (hexavalent) Heavy metal |
0.631 ppb | 0.02 | — | — | — | — | — | 32× over |
| Nitrate and nitrite* Inorganic |
1.49 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 11× over |
| Nitrate Inorganic |
1.23 ppm | 0.14 | 10.0 | 11.3 | 11.3 | 10 | — | 8.8× over |
| Uranium* Radiological |
2.04 pCi/L | 0.43 | 20.0 | 30 | 30 | 0.43 | — | 4.8× over |
| Radium, combined (-226 and -228) Radiological |
0.2 pCi/L | 0.05 | 5.0 | — | — | — | — | 4.1× over |
| Dibromoacetic acid Disinfection byproduct |
0.118 ppb | 0.03 | — | — | — | — | — | 3.9× over |
| Chlorate Disinfection byproduct |
82.1 ppb | 210.0 | — | — | — | — | — | Below guideline |
| Bromoform Disinfection byproduct |
0.148 ppb | 0.5 | — | — | — | — | — | Below guideline |
| Vanadium Other |
3.99 ppb | 21.0 | — | — | — | — | — | Below guideline |
| Barium Heavy metal |
69.5 ppb | 700.0 | 2000.0 | — | 1300 | 2000 | — | Below guideline |
| Selenium Heavy metal |
1.3 ppb | 30.0 | 50.0 | 20 | 40 | 30 | — | Below guideline |
| Manganese Heavy metal |
2.61 ppb | 100.0 | — | 50 | 80 | — | — | Below guideline |
| Molybdenum Other |
1.01 ppb | 40.0 | — | — | — | — | — | Below guideline |
| Monochloroacetic acid* Disinfection byproduct |
0.0933 ppb | 53.0 | — | — | — | — | — | Below guideline |
| Strontium Radiological |
0.42 ppb | 1500.0 | — | — | — | — | — | Below guideline |
| Cyanide Inorganic |
2.96 ppb | — | 200.0 | 50 | 70 | 150 | — | Below guideline |
| Fluoride Inorganic |
0.39 ppm | — | 4.0 | 1.5 | 1.5 | — | — | Below guideline |
| Lithium Other |
15.0 ppb | — | — | — | — | — | — | Below guideline |
All values in the unit of the detected level. Red cells indicate the detected level exceeds that standard. Some contaminants have limits in some jurisdictions but not others (shown as —). The "Tested" column shows the year each contaminant sample was collected.
Sources: US EPA, EU Drinking Water Directive 2020/2184, WHO Guidelines (4th ed.), California OEHHA PHGs, EWG Tap Water Database.
KEARNS IMPROVEMENT DISTRICT service area
This water system serves 1 community in Salt Lake County, Utah. Click any city for its dedicated tap water quality page.
Find the right filter for KEARNS water
Browse filter categories by water-quality concern. Each option below is NSF-certified for the matched contaminant type.