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Annual
Drinking Water Quality Report
High
Valley Water Company – 2009
We're pleased to present 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 sources are ground water.
The Drinking Water Source Protection Plan for High Valley
Water Company is available for your review. It contains information about source
protection zones, potential contamination sources and management strategies to
protect our drinking water. Our sources
have been determined to have a low level of
susceptibility from potential contamination sources. We have also developed management
strategies to further protect our sources from contamination. Please contact us 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.
We’re pleased to report that our drinking water
meets federal and state requirements.
If you have any questions about this
report or concerning your water utility, please contact Karen Sawyer at
435-645-8415. 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 4th Tuesday of each month at 7:00 pm at the
High
Valley Water Company routinely monitors for constituents in our drinking water
in accordance with the Federal and
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:
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.
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 (
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 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.
Date-
Because of required sampling time frames i.e. yearly, 3 years, 4 years and 6
years, sampling dates may seem out-dated.
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 |
2009 |
Naturally present in the environment |
Fecal coliform and E.coli |
N |
0 |
N/A |
0 |
If a routine sample and repeat sample are
total coliform positive, and one is also fecal coliform or E. coli positive |
2009 |
Human and animal fecal waste |
Turbidity
for Ground Water |
N |
.10 |
NTU
|
N/A
|
5 |
2009 |
Soil runoff |
Inorganic
Contaminants |
|||||||
Barium |
N |
358 |
ppb |
2000 |
2000 |
2009 |
Discharge of drilling wastes; discharge from
metal refineries; erosion of natural deposits |
Cyanide |
N |
3 |
ppb |
200 |
200 |
2009 |
Discharge from steel/metal factories;
discharge from plastic and fertilizer factories |
Chromium |
N |
3-4 |
ppb |
100 |
100 |
2009 |
Discharge from steel and pulp mills; erosion
of natural deposits |
Copper a.
90% results b.
# of sites that exceed the |
N |
a. 893 b. 0 |
ppt |
1300000 |
|
2007 |
Corrosion of household plumbing systems;
erosion of natural deposits |
Fluoride |
N |
200 |
ppb |
4000 |
4000 |
2009 |
Erosion of natural deposits; water additive
which promotes strong teeth; discharge from fertilizer and aluminum factories |
Lead a.
90% results b.
# of sites that exceed the |
N |
a. 24600 b. 2 |
ppt |
0 |
|
2007 |
Corrosion of household plumbing systems,
erosion of natural deposits |
Nickel |
N |
8-9 |
ppb |
100 |
100 |
2009 |
|
Nitrate
(as Nitrogen) |
N |
3 |
ppm |
10 |
10 |
2009 |
Runoff from fertilizer use; leaching from
septic tanks, sewage; erosion of natural deposits |
Selenium |
N |
1 |
ppb |
50 |
50 |
2009 |
Discharge from petroleum and metal refineries;
erosion of natural deposits; discharge from mines |
Sodium |
N |
35 |
ppm |
None
set by EPA |
None
set by EPA |
2009 |
Erosion of natural deposits; discharge from
refineries and factories; runoff from landfills. |
Sulfate |
N |
31 |
ppm |
1000* |
1000* |
2009 |
Erosion of natural deposits; discharge from
refineries and factories; runoff from landfills, runoff from cropland |
TDS (Total Dissolved solids) |
N |
1060 |
ppm |
2000** |
2000** |
2009 |
Erosion of natural deposits |
Radioactive
Contaminants |
|||||||
Alpha emitters |
N |
4 |
pCi/1 |
0 |
15 |
2009 |
Erosion of natural deposits |
Radium 228 |
N |
1 |
pCi/1 |
0 |
5 |
2009 |
Erosion of natural deposits |
Infants and children
who drink water containing lead in excess of the action level could experience
delays in their physical or mental development. Children could show slight
deficits in attention span and learning abilities. Adults who drink this water
over many years could develop kidney problems or high blood pressure. Lead in
drinking water is rarely the sole cause of lead poisoning, but it can add to a
person's total lead exposure. All potential sources of lead in the household
should be identified and removed, replaced or reduced.
All sources of drinking water are
subject to potential contamination by constituents that are naturally occurring
or man made. 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. Immuno-compromised 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/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).