HomeMy WebLinkAboutDDW-2024-009618Coliform Bacteria Year Sampled + Sample Count MCLG MCL Violation Likely Source of Contamination
Coliform Bacteria 2023 1 0 5 N Naturally present in the environment.
Year Sampled MCLG Action Level
(AL) 90% Tiles # Sites
Over AL Units Violation Likely Source of Contamination
Copper 2022 1.3 1.3 0.15 0 PPM N Erosion of natural deposits; Leaching from wood preservatives; Corrosion of household
plumbing systems.
Lead 2022 0 15 0.8 1 PPB N Corrosion of household plumbing systems; Erosion of natural deposits.
Microbiological Contaminants Year Sampled + Sample Count MCLG MCL Violation Likely Source of Contamination
E. Coli 2023 0 No goals None N Human and animal fecal waste.
Disinfectants and Disinfection By Products Year Sampled Lowest
Level Violations Likely Source of ContaminationHighest
Level
DACRWTP
Highest Levels MCLG MCL Units
Haloacetic Acids 2023 0 N By-product of drinking water disinfection.3.39 40.1 0 60 PPB
Total Trihalomethanes 2023 0.5 N By-product of drinking water disinfection.6.38 59.6 0 80 PPB
Inorganic Contaminants Year Sampled Lowest
Level Violations Likely Source of ContaminationHighest
Level
DACRWTP
Highest Levels MCLG MCL Units
Arsenic 2018, 2019, 2021,
2022 0 N Erosion of natural deposits; Runo from orchards; Runo from glass
and electronics production wastes.1 1 0 10 PPB
Barium 2018, 2019, 2021,
2022 0.044 N Discharge of drilling wastes; Discharge from metal refineries; Erosion of
natural deposits.0.091 .065 2 2 PPM
Fluoride 2018, 2019, 2021,
2022 0 N Erosion of natural deposits; Water additive which promotes strong
teeth; Discharge from fertilizer and aluminum factories.0.3 0.2 4 4 PPM
Nitrate 2018, 2019, 2021,
2022 0 N Runo from fertilizer use; Leaching from septic tanks, sewage; Erosion
of natural deposits.1.159 0.27 10 10 PPM
Selenium 2018, 2019, 2021,
2022 1.3 N Discharge from petroleum and metal refineries; Erosion of natural
deposits; Discharge from mines.1.6 0.6 50 50 PPB
Sodium 2018, 2019, 2021,
2022 3.012 N Discharge from petroleum and metal refineries; Erosion of natural
deposits; Discharge from mines.24.5 18.4 500 None PPM
Sulfate 2018, 2019, 2021,
2022 12.315 N Erosion of natural deposits; discharge from refineries and factories;
runo from landfills, runo from cropland.66.804 54.1 1000 1000 PPM
Total Dissolved Solids (TDS)2018, 2019, 2021,
2022 180 N Erosion of natural deposits41229620002000PPM
Year Sampled Lowest
Level
Highest
Level MCLG MCL Units Violation Likely Source of Contamination
Copper 2022 0.031 0.15 1.3 1.3 PPM N Erosion of natural deposits; Leaching from wood preservatives; Corrosion of household
plumbing systems.
Lead 2022 0.6 0.8 0 15 PPB N Corrosion of household plumbing systems; Erosion of natural deposits..
Lead & Copper
Radioactive Contaminants Year Sampled Lowest
Level Violations Likely Source of ContaminationHighest
Level
DACRWTP
Highest Levels MCLG MCL Units
Alpha emitters 2019, 2022 1.6 N Erosion of natural deposits.2.6 4.4 0 15 pCi/L
Radium 228 2019, 2022 -0.5 N Erosion of natural deposits.0.03 0.35 0 5 pCi/L
Turbidity Year Sampled Lowest
Level Violations Likely Source of ContaminationHighest
Level
DACRWTP
Highest Levels MCLG MCL Units
Turbidity 2018, 2019, 2021, 2022 0.11 N Soil runo.0.64 0.13 0 0.3 NTU
WATER REPORT 2023
DACRWTP
Don A. Christiansen Regional Water Treatment Plant
Groundwater tapped by the City’s well is stored in
unconsolidated deposits of sand and gravel that
underlie the City, and our springs store groundwater
found in Paleozoic limestone and quartzites. Provo
has a Drinking Water Source Protection Plan
(DWSP) that is designed to protect the integrity of
our drinking water supplies and is available for
review in our oce. General types of potential
contamination sources that exist within our DWSP
zones for Provo’s wells and springs include sewer
lines, golf courses, improved and unimproved roads,
residential properties, and commercial/industrial
areas. These potential contamination sources are
adequately controlled by our commitment to an
aggressive watershed protection program, which
we consider our first line of defense in assuring the
quality of your drinking water. Based on the
hydro-geologic setting, the integrity of the source
collection systems, the types of potential contamination
sources present, and the strict requirements of our
DWSP, we consider the Provo well field and springs
mildly susceptible to contamination.
All drinking water, including bottled water, may
reasonably be expected to contain at least small
amounts of some contaminants. The presence of
contaminants does not necessarily indicate that the
water poses a health risk. More information about
contaminants and potential health eects can be
obtained by calling the EPA’s Safe Drinking Water
Hotline at (800) 426-4791
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