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Water Quality Report · Updated October 07, 2026

KEARNS IMPROVEMENT DISTRICT

Serving 56,700 residents in KEARNS, Utah .

National rank 15th percentile
Utah rank 16th percentile
Data confidence Medium
D
56/100
Below Average
ⓘ How did we get this rating?
Quick answer

KEARNS IMPROVEMENT DISTRICT delivers tap water graded D (56/100) 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.

Data sources for this grade: utilities.csv EWG Tap Water Database ⓘ How did we get this rating?
56,700
People served
1
City served
27
Contaminants detected
15
Above health guidelines

Is KEARNS tap water safe to drink?

KEARNS IMPROVEMENT DISTRICT delivers tap water that earns a grade of D (56/100) 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.

EPA compliance record

Official U.S. EPA records for KEARNS IMPROVEMENT DISTRICT (system ID UTAH18011) for the last 3 years. Checked 2026-10-07.

No health-based violations. EPA recorded one quarter with a testing, reporting or notice violation.
1 of 12quarters with a violation
Nolead above EPA action level
07/09/2025last state inspection
RuleTypeSinceStatus
Consumer Confidence Rule Other (e.g. public notice) 07/01/2023 Open

Source: U.S. EPA Enforcement and Compliance History Online (ECHO), from the Safe Drinking Water Information System. See EPA's full report.

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 concern

Arsenic detected at 1.78 ppb, 446x above the EWG health guideline of 0.004 ppb.

Haloacetic acids (HAA9) significantly above health guideline

Moderate concern

Haloacetic 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 concern

Total 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.

Recommended water filters for KEARNS

Filters matched to the specific contaminants in this water supply.

Reverse osmosis certified for arsenic (NSF/ANSI 58)

$429-$599

Reverse osmosis certified under NSF/ANSI 58 for arsenic is the most reliable home option.

AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

Carbon filter certified for VOCs (NSF/ANSI 53)

$180-$599

Activated carbon is effective for disinfection byproducts. Look for NSF/ANSI 53 VOC reduction.

Aquasana AQ-5300 Under-Sink Filter
$180-$240 NSF 42, 53, 401, 372
Editorial pick · affiliate link coming soon
AquaTru Countertop Reverse Osmosis
$449-$599 NSF 42, 53, 58, 401, 372
Editorial pick · affiliate link coming soon
Aquasana OptimH2O Reverse Osmosis + Claryum
$429-$549 NSF 42, 53, 58, 401
Editorial pick · affiliate link coming soon

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 56/100 breaks down across five weighted components. Read the full methodology →

Health Guideline Performance
11 / 40
Legal Compliance
20 / 20
High-Risk Contaminants
10 / 20
Compliance History
8 / 10
Source Water Vulnerability
7 / 10

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.

About this water system

Public Water System ID
UTAH18011
Owner type
Local government
Source water
Surface water (purchased)
Service connections
14,354
Service area
KEARNS, Salt Lake County, Utah