Drinking water quality · 2024

· Verified

What's in Salt Lake City, UT tap water

53 contaminants were measured in the Salt Lake City, UT water system's 2024 annual report. Each is shown below against its federal limit 1 sit at or above that limit.

Browse the mapFull source report ↗
Reporting year
2024
Contaminants measured
53
Over federal limit
1
Approaching the limit
0
Worst contaminant
Lead
1.1× the limit
Service area
UT
state-level CCR
Source
Utility CCR

Where your water comes from · EPA SDWIS

Salt Lake City, UT's drinking water comes from ground water, drawn from 3 sources.

Source

3ground water
  • 1900 S 1100 W WELL
  • HONEY WELL
  • 1100 N 100 E WELL

Treatment

4treatment plants
  • 1900 S 1100 W WL CHLORINATOR
  • HONEY WELL CHLORINATOR
  • 80 E 1100 N WELL CHLORINATOR
  • + 1 more

Distribution

12storage units

Also buys water from WEBER BASIN WCD - SOUTH.

Compliance history

Federal Safe Drinking Water Act violation & enforcement records (EPA SDWIS). A violation is a regulatory determination by the state or EPA — separate from the measured levels above.

  • Maximum contaminant level exceededHealth-based
    4 violations on record · most recent Nov 2007
    resolved

Source: EPA SDWIS / ECHO. View the full federal record on EPA ECHO ↗

Metals

ContaminantMeasuredStatus
LeadA toxic metal that leaches into water from old service lines, solder, and plumbing fixtures.0.016 mg/L90th percentileAt the tapAt or above the limit
MercuryA toxic metal from erosion of natural deposits and industrial runoff.Not detectedReported levelBig Cottonwood WTPNone detected
+By source (7)Big Cottonwood WTP, City Creek WTP, Parleys WTP +4 more
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • Salt Lake City WellsPlant
    rangeNot detected
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
AluminumA common element sometimes used as a treatment coagulant.14.2Reported levelMWDSLS Point of the Mountain WTPDetected — no federal limit
+By source (7)MWDSLS Point of the Mountain WTP, Jordan Valley Water Conservancy District (JVWCD), Salt Lake City Wells +4 more
  • MWDSLS Point of the Mountain WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Salt Lake City WellsPlant
    range0–0.1
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • MWDSLS Little CottonwoodPlant
ArsenicA naturally occurring element that also enters water from industry and agriculture.0–1.4RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Jordan Valley Water Conservancy District (JVWCD), Big Cottonwood WTP +4 more
  • Salt Lake City WellsPlant
    range0–1.4
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
BariumA metal from erosion of natural deposits and industrial discharge.20–121RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, MWDSLS Point of the Mountain WTP, MWDSLS Little Cottonwood +4 more
  • Salt Lake City WellsPlant
    range20–121
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • Parleys WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
BoronA naturally occurring element from rock and soil.35Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
CalciumA naturally occurring mineral that contributes to water hardness.42.2–150RangeSalt Lake City WellsDetected — no federal limit
+By source (5)Salt Lake City Wells, Parleys WTP, City Creek WTP +2 more
  • Salt Lake City WellsPlant
    range42.2–150
  • Parleys WTPPlant
  • City Creek WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
CopperA metal that enters water from corroding household plumbing.1.3Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
+By source (4)Jordan Valley Water Conservancy District (JVWCD), Big Cottonwood WTP, Parleys WTP +1 more
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • Parleys WTPPlant
  • MWDSLS Little CottonwoodPlant
IronA naturally occurring metal common in groundwater.167Reported levelMWDSLS Point of the Mountain WTPDetected — no federal limit
+By source (7)MWDSLS Point of the Mountain WTP, MWDSLS Little Cottonwood, Jordan Valley Water Conservancy District (JVWCD) +4 more
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Salt Lake City WellsPlant
    range0–0.03
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
LithiumA naturally occurring element found in some groundwater.13.61 ug/LAverageSlcDetected — no federal limit
MagnesiumA naturally occurring mineral that contributes to water hardness.45.9RangeSalt Lake City WellsDetected — no federal limit
+By source (5)Salt Lake City Wells, Jordan Valley Water Conservancy District (JVWCD), City Creek WTP +2 more
  • Salt Lake City WellsPlant
    range45.9
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • City Creek WTPPlant
  • Big Cottonwood WTPPlant
  • Parleys WTPPlant
ManganeseA naturally occurring metal from soil and rock.2.4Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
+By source (7)Jordan Valley Water Conservancy District (JVWCD), Salt Lake City Wells, Big Cottonwood WTP +4 more
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Salt Lake City WellsPlant
    range0.5–1.5
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
NickelA metal from natural deposits and industrial discharge.2.35Reported levelMWDSLS Little CottonwoodDetected — no federal limit
+By source (7)MWDSLS Little Cottonwood, MWDSLS Point of the Mountain WTP, Jordan Valley Water Conservancy District (JVWCD) +4 more
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • Salt Lake City WellsPlant
    rangeNot detected
PotassiumA naturally occurring mineral from rock and soil.1.1–3.5RangeSalt Lake City WellsDetected — no federal limit
+By source (5)Salt Lake City Wells, Jordan Valley Water Conservancy District (JVWCD), Parleys WTP +2 more
  • Salt Lake City WellsPlant
    range1.1–3.5
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Parleys WTPPlant
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
SeleniumA trace element from natural deposits and industrial discharge.0–2.4RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, City Creek WTP, Parleys WTP +4 more
  • Salt Lake City WellsPlant
    range0–2.4
  • City Creek WTPPlant
  • Parleys WTPPlant
  • Big Cottonwood WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
SodiumA naturally occurring salt component.11.4–72.5RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Parleys WTP, Big Cottonwood WTP +4 more
  • Salt Lake City WellsPlant
    range11.4–72.5
  • Parleys WTPPlant
  • Big Cottonwood WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • City Creek WTPPlant
Thallium0.00002Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
+By source (7)Jordan Valley Water Conservancy District (JVWCD), Big Cottonwood WTP, City Creek WTP +4 more
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • Salt Lake City WellsPlant
    rangeNot detected
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
Vanadium1.4Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
+By source (7)Jordan Valley Water Conservancy District (JVWCD), MWDSLS Point of the Mountain WTP, MWDSLS Little Cottonwood +4 more
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • Salt Lake City WellsPlant
    rangeNot detected
ZincA naturally occurring metal that can also enter water from corroding pipes.0.08Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
+By source (7)Jordan Valley Water Conservancy District (JVWCD), Salt Lake City Wells, Parleys WTP +4 more
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Salt Lake City WellsPlant
    range0–0.02
  • Parleys WTPPlant
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant

Radionuclides

ContaminantMeasuredStatus
Combined RadiumCombined radium-226 and radium-228 — naturally occurring radioactive elements.0.53–3.1 pCi/LRangeCol4Within the limit
Gross AlphaGross alpha particle activity — a combined measure of alpha-emitting radioactive substances.2.4–5.2 pCi/LRangeCol4Within the limit

PFAS ("forever chemicals")

ContaminantMeasuredStatus
Perfluorohexanesulfonic acidPerfluorohexanesulfonic acid, a PFAS 'forever chemical.'1.2 ng/LAverageSlcWithin the limit
PFOSPerfluorooctanesulfonic acid, a PFAS 'forever chemical' once used in firefighting foam and coatings.0.47 ng/LAverageSlcWithin the limit
Perfluorohexanoic acidPerfluorohexanoic acid, a shorter-chain PFAS 'forever chemical.'0.38 ng/LAverageSlcDetected — no federal limit
Perfluoropentanoic acidPerfluoropentanoic acid, a shorter-chain PFAS 'forever chemical.'0.4 ng/LAverageSlcDetected — no federal limit

Disinfection byproducts

ContaminantMeasuredStatus
BromateA disinfection byproduct formed when bromide-containing water is treated with ozone.Not detectedAverageMWDSLS Little CottonwoodNone detected
+By source (3)MWDSLS Little Cottonwood, MWDSLS Point of the Mountain WTP, Jordan Valley Water Conservancy District (JVWCD)
  • MWDSLS Little CottonwoodPlant
    avgNot detected
  • MWDSLS Point of the Mountain WTPPlant
    avgNot detected
  • Jordan Valley Water Conservancy District (JVWCD)Zone
    avgNot detected
BromodichloromethaneA trihalomethane disinfection byproduct.2.6 ug/LReported levelCol7Detected — no federal limit
Chlorite0.38AverageJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
ChloroformA trihalomethane formed when chlorine reacts with organic matter in water.7.4 ug/LReported levelCol7Detected — no federal limit
DibromochloromethaneA trihalomethane disinfection byproduct.1.2 ug/LReported levelCol3Detected — no federal limit
HAA5Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.53AverageMWDSLS Point of the Mountain WTPDetected — no federal limit
+By source (4)Slc, MWDSLS Point of the Mountain WTP, Jordan Valley Water Conservancy District (JVWCD) +1 more
  • SlcZone
    avg40.55range1.21–62.71
  • MWDSLS Point of the Mountain WTPPlant
    avg48.2
  • Jordan Valley Water Conservancy District (JVWCD)Zone
    avg17.5
  • MWDSLS Little CottonwoodPlant
    avg21.8
TTHMTotal trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.35.24AverageSlcDetected — no federal limit
+By source (4)Slc, MWDSLS Point of the Mountain WTP, Jordan Valley Water Conservancy District (JVWCD) +1 more
  • SlcZone
    avg35.24range1.74–55.55
  • MWDSLS Point of the Mountain WTPPlant
    avg32.8
  • Jordan Valley Water Conservancy District (JVWCD)Zone
    avg21.2
  • MWDSLS Little CottonwoodPlant
    avg14.1

Microbial

ContaminantMeasuredStatus
Escherichia coli (E. coli)Escherichia coli — bacteria found in the gut of humans and animals.0 %Reported levelDistributionNone detected
Total ColiformA group of bacteria used as an indicator of overall water-system sanitation.0.65 %MaximumDistributionDetected — no federal limit

Disinfectants

ContaminantMeasuredStatus
ChlorineA disinfectant added to drinking water to kill bacteria and viruses.0.92AverageMWDSLS Little CottonwoodDetected — no federal limit
+By source (4)Slc, MWDSLS Little Cottonwood, MWDSLS Point of the Mountain WTP +1 more
  • SlcZone
    avg0.59range0.01–1.3
  • MWDSLS Little CottonwoodPlant
    avg0.92
  • MWDSLS Point of the Mountain WTPPlant
    avg0.81
  • Jordan Valley Water Conservancy District (JVWCD)Zone
    avg0.77

Inorganic chemicals

ContaminantMeasuredStatus
Ammonia0.3Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
+By source (5)Jordan Valley Water Conservancy District (JVWCD), Big Cottonwood WTP, City Creek WTP +2 more
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • Salt Lake City WellsPlant
    rangeNot detected
BromideA naturally occurring salt found in source water.0–90RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Big Cottonwood WTP, City Creek WTP +4 more
  • Salt Lake City WellsPlant
    range0–90
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
ChlorideA naturally occurring salt compound.17.9–222RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Parleys WTP, Jordan Valley Water Conservancy District (JVWCD) +4 more
  • Salt Lake City WellsPlant
    range17.9–222
  • Parleys WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • City Creek WTPPlant
Cyanide0–6RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Jordan Valley Water Conservancy District (JVWCD), Big Cottonwood WTP +4 more
  • Salt Lake City WellsPlant
    range0–6
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
FluorideA mineral often added to drinking water to help prevent tooth decay.0.68Reported levelCity Creek WTPDetected — no federal limit
+By source (7)City Creek WTP, MWDSLS Little Cottonwood, MWDSLS Point of the Mountain WTP +4 more
  • City Creek WTPPlant
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Big Cottonwood WTPPlant
  • Parleys WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Salt Lake City WellsPlant
    range0–0.32
NitrateA compound from fertilizer runoff, septic systems, and erosion of natural deposits.0.16–4.18RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Jordan Valley Water Conservancy District (JVWCD), MWDSLS Little Cottonwood +4 more
  • Salt Lake City WellsPlant
    range0.16–4.18
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Big Cottonwood WTPPlant
  • Parleys WTPPlant
  • City Creek WTPPlant
NitriteA compound from fertilizer runoff, sewage, and erosion of natural deposits.0–0.1RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Big Cottonwood WTP, City Creek WTP +4 more
  • Salt Lake City WellsPlant
    range0–0.1
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
SulfateA naturally occurring mineral from rock and soil.30.5–291RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Jordan Valley Water Conservancy District (JVWCD), MWDSLS Little Cottonwood +4 more
  • Salt Lake City WellsPlant
    range30.5–291
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • MWDSLS Little CottonwoodPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant

Other

ContaminantMeasuredStatus
Chromium4.7Reported levelMWDSLS Point of the Mountain WTPDetected — no federal limit
+By source (7)MWDSLS Point of the Mountain WTP, MWDSLS Little Cottonwood, Jordan Valley Water Conservancy District (JVWCD) +4 more
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • Parleys WTPPlant
  • Salt Lake City WellsPlant
    rangeNot detected

Physical & aggregate

ContaminantMeasuredStatus
AlkalinityA measure of the water's capacity to neutralize acids.113–262RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, City Creek WTP, Parleys WTP +4 more
  • Salt Lake City WellsPlant
    rangeNot detected
  • City Creek WTPPlant
  • Parleys WTPPlant
  • MWDSLS Point of the Mountain WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • MWDSLS Little CottonwoodPlant
  • Big Cottonwood WTPPlant
Bicarbonate113–262RangeSalt Lake City WellsDetected — no federal limit
+By source (5)Salt Lake City Wells, City Creek WTP, Jordan Valley Water Conservancy District (JVWCD) +2 more
  • Salt Lake City WellsPlant
    range113–262
  • City Creek WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Parleys WTPPlant
  • Big Cottonwood WTPPlant
ColorA measure of visible tint in the water.4.2Reported levelJordan Valley Water Conservancy District (JVWCD)Detected — no federal limit
HardnessA measure of dissolved calcium and magnesium minerals.167–538RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, City Creek WTP, Jordan Valley Water Conservancy District (JVWCD) +4 more
  • Salt Lake City WellsPlant
    range167–538
  • City Creek WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Parleys WTPPlant
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • Big Cottonwood WTPPlant
pHA measure of how acidic or basic the water is.7.1–8.1RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, City Creek WTP, Big Cottonwood WTP +4 more
  • Salt Lake City WellsPlant
    range7.1–8.1
  • City Creek WTPPlant
  • Big Cottonwood WTPPlant
  • Parleys WTPPlant
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
Specific ConductanceA measure of how well water conducts electricity, which tracks dissolved mineral content.387–1509RangeSalt Lake City WellsDetected — no federal limit
+By source (6)Salt Lake City Wells, Parleys WTP, MWDSLS Point of the Mountain WTP +3 more
  • Salt Lake City WellsPlant
    range387–1509
  • Parleys WTPPlant
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
  • City Creek WTPPlant
  • Big Cottonwood WTPPlant
TOCTotal organic carbon — a measure of organic material dissolved in the water.2.01Reported levelCol3Detected — no federal limit
Total Dissolved SolidsTotal dissolved solids — the combined content of all dissolved minerals and salts.244–888RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Parleys WTP, Jordan Valley Water Conservancy District (JVWCD) +4 more
  • Salt Lake City WellsPlant
    range244–888
  • Parleys WTPPlant
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • MWDSLS Point of the Mountain WTPPlant
  • City Creek WTPPlant
  • MWDSLS Little CottonwoodPlant
  • Big Cottonwood WTPPlant
TurbidityA measure of cloudiness from suspended particles in the water.0.1–6.72RangeSalt Lake City WellsDetected — no federal limit
+By source (7)Salt Lake City Wells, Jordan Valley Water Conservancy District (JVWCD), Parleys WTP +4 more
  • Salt Lake City WellsPlant
    range0.1–6.72
  • Jordan Valley Water Conservancy District (JVWCD)Zone
  • Parleys WTPPlant
  • Big Cottonwood WTPPlant
  • City Creek WTPPlant
  • MWDSLS Point of the Mountain WTPPlant
  • MWDSLS Little CottonwoodPlant
Source: Salt Lake City, UT's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. utility is required to publish. The numbers on this page are the utility's own. A water-quality report covers an entire service area, not a single address.

People also ask about Salt Lake City, UT's water

+Is Salt Lake City, UT tap water safe to drink in 2024?

The 2024 Consumer Confidence Report for the Salt Lake City, UT water utility lists 1 contaminant at or above the federal limit: Lead. Whether that means the water is "unsafe" depends on which contaminant, how long the exposure, and individual health factors. The table on this page shows the measured value, the federal threshold, and the regulated statistic used for compliance.

+What contaminants are in Salt Lake City, UT tap water?

53 contaminants were measured in Salt Lake City, UT's 2024 Consumer Confidence Report, spanning metals, physical & aggregate, and inorganic chemicals. 6 have an enforceable federal limit; the rest are detected but unregulated. Every measured value, in the utility's own units, is on this page.

+Which contaminants exceed federal limits in Salt Lake City, UT tap water?

One contaminant in Salt Lake City, UT's 2024 report sits at or above the federal limit: Lead (1.1× the limit). The EPA enforces these limits against the regulated reporting statistic — typically a running annual average or 90th percentile — not a one-off sample spike.

+What is the worst contaminant in Salt Lake City, UT tap water?

The contaminant with the highest measured value relative to its federal limit in the 2024 report is Lead, at 1.1× the federal threshold. It belongs to the metals family of contaminants.

+Where does the data on this page come from?

Every value is transcribed from Salt Lake City, UT's 2024 Consumer Confidence Report — the annual drinking-water report every U.S. public water utility is required by federal law to publish. The original source document is archived and viewable on this site. A water-quality report covers an entire service area, not a single address.

+How often is Salt Lake City, UT's water quality data updated?

Each U.S. public water utility publishes one Consumer Confidence Report per year, covering the prior calendar year's measurements. This page reflects the 2024 report; a new report will replace it once the utility publishes its next annual update.

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