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Annual
Drinking Water Quality Report for 2011
Town of Bethany Beach
P.O. Box 109, Bethany Beach, Delaware 19930
PWS ID# DE0000556
June 1,
2012
Omissions’ from 2010 CCR have been added to
this report and are in Bold Italics
We're pleased to present to you this year's Annual
Water Quality Report. This report is designed to inform you about the
quality 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 is
groundwater. We have five wells that draw from the Manokin
and Ocean City Aquifers.
The Division of Public Health in conjunction with
the Department of Natural Resources and Environmental Control has
conducted a source water assessment. If you are interested in reviewing
the assessment, please contact Town Hall @ 302-539-8011.
I'm 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
Cliff Graviet @ 302-539-8011.
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 third Friday of
each month @ 2:00 p.m. at the Town Hall, 214 Garfield Parkway.
Public Health, Office of Drinking Water, and the
Bethany Beach Water Department
routinely monitor for constituents in your drinking water according to
Federal and State laws. This table shows the results of our monitoring
for the period of January 1st to December 31st,
2011.
In this 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.
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. Or 1 drop in 13 gallons.
Parts per billion (ppb) or Micrograms per liter -
one part per billion corresponds to one minute in 2,000 years, or a
single penny in $10,000,000. Or 1 drop in 13,000 gallons.
Picocuries per liter (pCi/L) - Picocuries
per liter is a measure of the radioactivity in water.
Action Level - 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 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.
|
TEST RESULTS |
|
Contaminant |
Violation
Y/N |
Level
Detected |
Unit
Measurement |
MCLG or
MRDLG |
MCL or MRDL |
Likely
Source of Contamination |
|
Microbiological Contaminants |
|
1. Total
Coliform Bacteria
(NO
detects of E.Coli or fecal coliform)
|
N |
1 positive
Monthly
sample in September |
|
0 |
presence of coliform bacteria in
5% of monthly samples |
Naturally
present in the environment |
|
Chlorine |
N |
2.62 |
ppm |
4 |
4 |
Water
additive used to control microbes |
|
Radioactive Contaminants |
|
5. Alpha
emitters |
N |
1.3
*(2009) |
pCi/1 |
0 |
15 |
Erosion of
natural deposits |
|
6. Combined
radium |
N |
0.49
*(2010) |
pCi/1 |
0 |
5 |
Erosion of
natural deposits |
|
Inorganic
Contaminants |
|
11. Barium |
N |
0.0141
*(2007) |
ppm |
2 |
2 |
Discharge of
drilling wastes; discharge from metal refineries; erosion of
natural deposits |
|
14. Chromium |
N |
2.7
*(2007) |
ppb |
100 |
100 |
Discharge
from steel and pulp mills; erosion of natural deposits |
|
15. Copper |
N |
0.275
*(2010) |
ppm |
1.3 |
AL=1.3 |
Corrosion of
household plumbing systems; erosion of natural deposits;
leaching from wood preservatives |
|
17. Fluoride |
N |
0.9-1.18 |
ppm |
0.8-1.2 |
2 |
Erosion of
natural deposits; water additive which promotes strong teeth;
discharge from fertilizer and aluminum factories |
|
18. Lead |
N |
6
*(2010) |
ppb |
0 |
AL=15 |
Corrosion of
household plumbing systems, erosion of natural deposits |
|
Nickel |
N |
1.1-1.2
*(2009) |
ppb |
n/a |
100
|
Naturally
occurring |
Synthetic Organic Contaminants
including Pesticides and Herbicides
|
|
34. Di(2-ethylhexyl)
phthalate |
N |
0-0.6
*(2010) |
ppb |
0 |
6 |
Discharge
from rubber and chemical factories |
|
Contaminant |
Violation
Y/N |
Level
Detected |
Unit
Measurement |
MCLG or
MRDLG |
MCL or MRDL |
Likely
Source of Contamination |
|
Volatile
Organic Contaminants |
|
68.Haloacetic Acids
(HAA) |
N |
11-20.6 |
ppb |
n/a |
60 |
By-product of drinking water disinfection |
|
76. TTHM
Total trihalomethanes] |
N |
24.1-50.8 |
ppb |
n/a |
80 |
By-product of
drinking water chlorination |
Unregulated Inorganic
Contaminants
|
|
80. Iron (Fe) |
N |
0.134
*(2007) |
ppm |
0 |
0.3 |
|
|
81. Sodium
(Na) |
N |
28.4-28.9
(average 28.6) |
ppm |
0 |
|
|
|
82.
Alkalinity (Alk) |
N |
105-124
(average 114) |
ppm |
|
|
|
|
83. pH |
N |
6.5-7.5
(average 7) |
ppm |
|
6.5 – 8.5 |
|
|
84. Chloride
(Cl) |
N |
40.5-41.4
(average 40 ) |
ppm |
|
250 |
|
|
85. Hardness |
N |
57.5
*(2009) |
ppm |
|
|
|
|
86. Total
Dissolved Solids (TDS) |
N |
276
*(2010) |
ppm |
|
500 |
|
|
Di-N-Butyl
Phthalate |
N |
0.7
*(2007) |
ppb |
|
|
|
|
Manganese |
N |
2.7-3.1
*(2009)
(average 2.9) |
ppb |
|
|
|
|
Sulfate |
N |
2.3-2.7
(average 2.5) |
ppm |
|
|
|
| |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
*The
state allows us to monitor for some contaminants less than once per year
because the concentrations of these contaminants do not change
frequently. Some of our data, though representative, are more than one
year old.
All
other contaminants were ND in compliance with the Safe Drinking Water
Act.
As you can see by the table, our system had no
violations. We’re proud that your drinking water meets or exceeds all
Federal and State requirements. We have learned through our monitoring
and testing that some constituents have been detected. The EPA has
determined that level in your water is below the MCL.
Lead-If present, elevated lead levels 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. Bethany
Beach Water Department is responsible for providing high quality
drinking water, but cannot control the variety of materials use3d 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
www.epa.gov/safewater/lead.
The sources of drinking water (both tap water and
bottled water) include rivers, lakes, streams, ponds, reservoirs,
springs, and wells. As water travels over the surface of the land or
through the ground, it dissolves naturally occurring minerals and, in
some cases, radioactive material, and can pick up substances resulting
from the presence of animals or from human activity. In order to insure
tap water is safe to drink, EPA prescribes regulations which limit the
amount of certain contaminants in water provided by public water
systems. Food and Drug Administration regulations established limits for
contaminants in bottled water, which must provide the same protection
for public health.
Contaminants that may be present in source
water include:
1)
Microbial contaminants, such as viruses
and bacteria, which may come from sewage treatment plants, septic
systems, agricultural livestock operation, and wildlife.
2)
Inorganic contaminants, such as salts
and metals can be naturally[occurring or result from urban storm water
runoff, industrial or domestic wastewater discharge, oil and gas
production, mining, or farming.
3)
Pesticides and herbicides, which may
come from a variety of sources, such as agricultural, urban storm water
runoff, and residential uses.
4)
Organic chemical contaminants,
including synthetic and volatile organic chemicals, which are byproducts
of industrial processes and petroleum production, and can also come from
gas stations, urban storm water runoff, and septic systems.
5)
Radioactive contaminants, which can be
naturally occurring or be the result of oil and gas production and
mining activities.
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.
MCL’s 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.
In our continuing efforts to maintain a safe and
dependable water supply it may be necessary to make improvements in your
water system. The costs of these improvements may be reflected in the
rate structure. Rate adjustments may be necessary in order to address
these improvements.
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).
Please call our office if you have questions.
We at Bethany Beach Water Department work around
the clock to provide top quality water to every tap, said
Ron Foreman.
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. |