HomeMy WebLinkAboutDDW-2024-008193 1
Annual Drinking Water Quality Report
2023
Duchesne County Water Conservancy District
We are pleased to present to you this year's Annual Drinking Water Quality Report. This report is
designed to inform you about the quality of the water and services we deliver to you every day.
Our constant goal is to provide you with a safe and dependable supply of drinking water. We want
you to understand the efforts we make to continually improve the water treatment process and
protect our water resources. We are committed to ensuring the quality of your water. Our water
source has been determined to be from surface water sources. Our water source is Central Utah
Water Conservancy District, Duchesne Valley Water Treatment Plant, which is a treated surface
water from Starvation Reservoir.
The Drinking Water Source Protection Plan for Central Utah Water Conservancy District
(CUWCD) is available for your review. It contains information about source protection zones,
potential contamination sources and management strategies to protect our drinking water. Human
activities in the watershed include recreation, oil well development, and livestock grazing can all
impact the water quality inside of the watershed.
They are actively partnering with other agencies, municipalities and parties in the Duchesne Valley
to identify potential sources of contamination and work together to manage them. They have also
developed management strategies to further protect our sources from contamination. CUWCD
have developed specific source water protection plans for the Starvation Watershed which can be
found on the following website: http://cuwcd.com/resources.html
Please contact CUWCD if you have questions or concerns about our source protection plan.
There are many connections to our water distribution system. When connections are properly
installed and maintained, the concerns are very minimal. However, unapproved and improper
piping changes or connections can adversely affect not only the availability, but also the quality of
the water. A cross connection may let polluted water or even chemicals mingle into the water
supply system when not properly protected. This not only compromises the water quality but can
also affect your health. So, what can you do? Do not make or allow improper connections at your
homes. Even that unprotected garden hose lying in the puddle next to the driveway is a cross
connection. The unprotected lawn sprinkler system after you have fertilized or sprayed is also a
cross connection. When the cross connection is allowed to exist at your home, it will affect you
and your family first. If you’d like to learn more about helping to protect the quality of our water,
call us for further information about ways you can help.
This report shows our water quality and what it means to you, our customer.
If you have any questions about this report or concerning your water utility, please contact Clyde
Watkins 435-722-4977. We want our valued customers to be informed about their water utility. If
you want to learn more, please attend any of our regularly scheduled meetings. They are held on
the second Monday of each month at 9:00 am at 275 West 800 South Roosevelt, Utah.
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Duchesne County Water Conservancy District routinely monitors for constituents in our drinking
water in accordance with the Federal and Utah State laws. The following table shows the results
of our monitoring for the period of January 1st to December 31st, 2023. All drinking water,
including bottled drinking water, may be reasonably expected to contain at least small amounts of
some constituents. It's important to remember that the presence of these constituents does not
necessarily pose a health risk.
In the following table you will find many terms and abbreviations you might not be familiar with.
To help you better understand these terms we've provided the following definitions:
Non-Detects (ND) - laboratory analysis indicates that the constituent is not present.
ND/Low - High - For water systems that have multiple sources of water, the Utah Division of
Drinking Water has given water systems the option of listing the test results of the constituents in
one table, instead of multiple tables. To accomplish this, the lowest and highest values detected in
the multiple sources are recorded in the same space in the report table.
Parts per million (ppm) or Milligrams per liter (mg/l) - one part per million corresponds to one
minute in two years or a single penny in $10,000.
Parts per billion (ppb) or Micrograms per liter (ug/l) - one part per billion corresponds to one
minute in 2,000 years, or a single penny in $10,000,000.
Parts per trillion (ppt) or Nanograms per liter (nanograms/l) - one part per trillion corresponds
to one minute in 2,000,000 years, or a single penny in $10,000,000,000.
Parts per quadrillion (ppq) or Picograms per liter (picograms/l) - one part per quadrillion
corresponds to one minute in 2,000,000,000 years or one penny in $10,000,000,000,000.
Picocuries per liter (pCi/L) - picocuries per liter is a measure of the radioactivity in water.
Millirems per year (mrem/yr) - measure of radiation absorbed by the body.
Million Fibers per Liter (MFL) - million fibers per liter is a measure of the presence of asbestos
fibers that are longer than 10 micrometers.
Nephelometric Turbidity Unit (NTU) - nephelometric turbidity unit is a measure of the clarity of
water. Turbidity in excess of 5 NTU is just noticeable to the average person.
Action Level (AL) - the concentration of a contaminant which, if exceeded, triggers treatment or
other requirements which a water system must follow.
Treatment Technique (TT) - A treatment technique is a required process intended to reduce the
level of a contaminant in drinking water.
Maximum Contaminant Level (MCL) - The “Maximum Allowed” (MCL) is the highest level of
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a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible
using the best available treatment technology.
Maximum Contaminant Level Goal (MCLG) - The “Goal”(MCLG) is the level of a contaminant
in drinking water below which there is no known or expected risk to health. MCLGs allow for a
margin of safety.
Maximum Residual Disinfectant Level (MRDL) - The highest level of a disinfectant allowed in
drinking water. There is convincing evidence that addition of a disinfectant is necessary for control
of microbial contaminants.
Maximum Residual Disinfectant Level Goal (MRDLG) - The level of a drinking water
disinfectant below which there is no known or expected risk to health. MRDLGs do not reflect the
benefits of the use of disinfectants to control microbial contaminants.
Date- Because of required sampling time frames i.e. yearly, 3 years, 4 years and 6 years, sampling
dates may seem outdated.
Waivers (W)- Because some chemicals are not used or stored in areas around drinking water
sources, some water systems have been given waivers that exempt them from having to take certain
chemical samples, these waivers are also tied to Drinking Water Source Protection Plans.
TEST RESULTS
Contaminant Violation
Y/N Level
Detected
ND/Low-
High
Unit
Measurement MCLG MCL Date
Sampled
Likely Source of
Contamination
Microbiological Contaminants
Total Coliform Bacteria N 0 N/A 0 Presence of
coliform bacteria
in 5% of monthly
samples
2023 Naturally present in the
environment
Turbidity for Surface
Water
N 0.02-0.05 NTU N/A 0.5 in at least 95%
of the samples and
must never exceed
5.0
2023
Soil Runoff
(highest single measurement
& the lowest monthly
percentage of samples
meeting the turbidity limits)
Inorganic Contaminants
Arsenic N 2.6 ppb 0 10 2019
Erosion of natural deposits;
runoff from orchards; runoff
from glass and electronics
production wastes
Barium N 0.081 ppb 2000 2000 2019
Discharge of drilling wastes;
discharge from metal
refineries; erosion of natural
deposits
Carbon, Total Organic
(TOC)
N 2.3-3.0 ppm NE TT 2023 Naturally present in the
environment
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Fluoride N 0.3 ppm 4 4 2019 Erosion of natural deposits;
water additive which
promotes strong teeth;
discharge from fertilizer and
aluminum factories
Nitrate (as Nitrogen) N ND ppm 10 10 2023
Runoff from fertilizer use;
leaching from septic tanks,
sewage; erosion of natural
deposits
Selenium N 0.8 ppb 50 50 2019 Discharge from petroleum
and metal refineries; erosion
of natural deposits; discharge
from mines
Sulfate N 93 ppm 1000 1000 2019 Erosion of natural deposits;
discharge from refineries and
factories; runoff from
landfills, runoff from
cropland
TDS (Total Dissolved
solids)
N 354-456 ppm 2000 2000 2023 Erosion of natural deposits
UV-254 N 0.01-0.05 1/cm NE UR 2023 Naturally occurring. This is a
measure of UV-absorbing
organic compounds
Disinfection By-products
TTHM [Total
trihalomethanes]
N 47.99-
59.36
ppb 0 80 2023 By-product of drinking water
disinfection
Haloacetic Acids N 35.11-
39.06
ppb 0 60 2023 By-product of drinking water
disinfection
Chlorine N 0.4-1.13 ppm 4 4 2023 Water additive used to
control microbes
Bromate N ND mg/l 0 0.01 2023
By-product of drinking water
Radioactive Contaminants
Alpha, Gross N 1.2 pCi/1 0 15 2019
Erosion of natural deposits of
certain minerals that are
radioactive and may emit a
form of radiation known as
alpha radiation
Beta, Gross N 1.8 pCi/1 0 5 2019 Decay of natural deposits and
man-made deposits of certain
minerals that are radioactive
and may emit forms of
radiation know as photons
Radium 228 N 0.23 pCi/1 0 5 2019 Erosion of natural deposits
Volatile Organic Contaminants
Chloroform N 6.4-36.2 ppb NE 70 2023 By-product of drinking water
disinfection.
Bromodi-
chlormethane
N 2.6-9.9 ppb NE 0 2023 By-product of drinking water
disinfection.
Dibromo-
chloromethane
N 1-3.6 ppb NE 60 2023
By-product of drinking water
disinfection.
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Some people may be more vulnerable to contaminants in drinking water than the general
population. Immunocompromised persons such as persons with cancer undergoing chemotherapy,
persons who have undergone organ transplants, people with HIV/AIDS or other immune system
disorders, some elderly, and infants can be particularly at risk from infections. These people should
seek advice about drinking water from their health care providers. EPA and Center for Disease
Control (CDC) guidelines on appropriate means to lessen the risk of infection by Cryptosporidium
and other microbial contaminants are available from the Safe Drinking Water Hotline
(800.426.4791).
If present, elevated levels of lead can cause serious health problems, especially for pregnant
women and young children. Lead in drinking water is primarily from materials and components
associated with service lines and home plumbing. [Name of Utility] is responsible for providing
high quality drinking water but cannot control the variety of materials used in plumbing
components. When your water has been sitting for several hours, you can minimize the potential
for lead exposure by flushing your tap for 30 seconds to 2 minutes before using water for drinking
or cooking. If you are concerned about lead in your water, you may wish to have your water tested.
Information on lead in drinking water, testing methods, and steps you can take to minimize
exposure is available from the safe Drinking Water Hotline or at
http://www.epa.gov/safewater/lead.
All sources of drinking water are subject to potential contamination by constituents that are
naturally occurring or manmade. Those constituents can be microbes, organic or inorganic
chemicals, or radioactive materials. 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 effects can be obtained by calling the Environmental Protection
Agency’s Safe Drinking Water Hotline at 1-800-426-4791.
MCLs are set at very stringent levels. To understand the possible health effects described for many
regulated constituents, a person would have to drink 2 liters of water every day at the MCL level
for a lifetime to have a one-in-a-million chance of having the described health effect.
Some people may be more vulnerable to contaminants in drinking water than the general
population. Immunocompromised persons such as persons with cancer undergoing chemotherapy,
persons who have undergone organ transplants, people with HIV/AIDS or other immune system
disorders, some elderly, and infants can be particularly at risk from infections. These people should
seek advice from their health care providers about drinking water. EPA/CDC guidelines on
appropriate means to lessen the risk of infection by cryptosporidium and other microbiological
contaminants are available from the Safe Drinking Water Hotline (800-426-4791).
We at Duchesne County Water Conservancy District work around the clock to provide top quality
water to every tap. We ask that all our customers help us protect our water sources, which are the
heart of our community, our way of life and our children’s future.
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Duchesne County Water Conservancy District
275 West 800 South
Roosevelt, Utah, 84066
February 26, 2024
Brandi Smith
CCR Compliance
Division of Drinking Water
P.O. Box 144830
Salt Lake City, Utah 84114-4830
Dear Ms. Smith:
Subject: Consumer Confidence Report for Duchesne County Water Conservancy District #07069
Enclosed is a copy of Duchesne County Water Conservancy District Consumer Confidence
Report. It contains the water quality information for our water system for the calendar year 2023
or the most recent sample data.
We have delivered this report to our customers by mailing it directly to each customer and
making copies of the report available at the water office.
If you have any questions, please contact me at 435-722-4977.
Sincerely,
Clyde Watkins
Duchesne County Water Conservancy District