|

CITY OF
HEREFORD MUNICIPAL WATER SUPPLY
Phone No. ( 806)-363-7101
2006 ANNUAL DRINKING WATER QUALITY REPORT (Consumer Confidence Report)
*****OUR DRINKING WATER IS SAFE*****
This report is a summary of the
quality of the water that we provide our customers. The analysis was made by
using data from the most recent U.S. Environmental Protection Agency (EPA)
required tests and is presented in the following pages. We hope this information
helps you become more knowledgeable about your drinking water.
|
HEREFORD'S
WATER SOURCES |
|
Where does the City of
Hereford get our drinking water? Our drinking water is obtained entirely
from groundwater sources. The City of
Hereford
operates 44 wells in and around the city. Of these wells, 37 pump from the
Ogallala aquifer and 7 pump from the
Santa Rosa
aquifer. These wells have a maximum pumping capacity of 13 million gallons
per day. These 44 wells pump into four pump stations in town that have
5.25 million gallons of storage capacity. During 2006 the City supplied
1.105 billion gallons of water to the residents and businesses of
Hereford. This calculates to an average of 3.03 million gallons per day.
The TCEQ has completed an assessment of our source water and the results
indicate that some of our sources are susceptible to certain contaminants.
The sampling requirements for our water system are based on this
susceptibility and previous sample data. For more information on source
water assessments and protection efforts at our system, please contact us. |
WATER
SOURCES
|
|
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. Contaminants that may be present in source water before
treatment includes: microbes, inorganic contaminants, pesticides,
herbicides, radioactive contaminants, and organic chemical contaminants. |
|
SECONDARY
CONSTITUENTS |
|
Many
constituents (such as calcium, sodium, or iron), which are often found in
drinking water, can cause taste, color, and odor problems. The taste and
odor constituents are called secondary constituents and are regulated by
the State of Texas, not the EPA. These constituents are not causes for
health concerns. Therefore, secondaries are not required to be reported in
this document but they may greatly affect the taste and appearance of your
water. |
|
ALL DRINKING WATER MAY CONTAIN
CONTAMINANTS |
|
When drinking water meets federal
standards there may not be any health-based benefits to purchasing bottled
water or point of use devices. Drinking water, including bottled water,
may reasonably be expected to contain at least small amounts of some
contaminants. The presence of these contaminants does not necessarily
indicate that water poses a health risk. More information about
contaminants and potential health effects can be obtained by calling the
EPA's Safe Drinking Water Hotline (800-426-4791). |
|
SPECIAL
NOTICE |
|
For the elderly, infants, cancer
patients and people with HIV/AIDS or other immune problems |
|
Some people may be more vulnerable to
contaminants in drinking water than 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/Centers for Disease Control and
Prevention (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). |
En Espanol
|
|
Este informe incluye informacion
importante sobre el agua potable. Si tiene preguntas o’ discusiones sobre
este reporte en espanol, favor de llamar al telefono (806) 363-7101 par
hablar con una persona bilingue en espanol. |
|
HOW CAN YOU GET INVOLVED? |
|
You can get involved by
attending and voicing any questions or concerns you may have at the
following meeting: |
|
|
|
DATE:
June 27, 2007
|
LOCATION: Commission Chamber at City Hall |
|
|
|
TIME: 5:00 PM |
224 North Lee |
|
|
|
|
Hereford,
Texas |
|
|
|
You may also contact the City of
Hereford Water Department at (806) 363-7101. |
|
ABOUT THE
FOLLOWING PAGES |
|
The pages that follow list all of the
federally regulated or monitored constituents, which have been found in
your drinking water. The U.S. EPA requires water systems to test up to 97
constituents. |
Inorganic Contaminants:
|
Year or
Range |
Contaminant |
Average Level |
Minimum Level |
Maximum Level |
MCL |
MCLG |
Unit of
Measure |
Source of
Contaminant |
|
2005-2002 |
Arsenic |
2.000 |
0.000 |
4.000 |
10 |
0 |
ppb |
Erosion of natural deposits; Runoff
from orchards; Runoff from glass and electronics production wastes |
|
2005-2002 |
Barium |
0.032 |
0.022 |
0.039 |
2 |
2 |
ppm |
Discharge of drilling wastes;
Discharge from metal refineries; Erosion of natural deposits |
|
2005-2002 |
Chromium |
0.300 |
0.000 |
1.200 |
100 |
100 |
ppb |
Discharge from steel and pulp mills;
erosion of natural deposits |
|
2006-2005 |
Fluoride |
2.670 |
2.020 |
4.110 |
4 |
4 |
ppm |
Erosion of natural deposits; Water
additive which promotes strong teeth; Discharge from fertilizer and
aluminum factories |
|
2006 |
Nitrate |
2.270 |
0.250 |
8.010 |
10 |
10 |
ppm |
Runoff from fertilizer use; Leaching
from septic tanks, sewage; Erosion of natural deposits |
|
2005-2002 |
Selenium |
3.800 |
0.000 |
9.400 |
50 |
50 |
ppb |
Discharge from petroleum and metal
refineries; Erosion of natural deposits; Discharge from mines |
|
2005 |
Uranium |
3.600 |
0.000 |
14.200 |
30 |
0 |
ppb |
Erosion of natural deposits |
|
2005 |
Gross alpha |
7.600 |
-0.600 |
11.900 |
15 |
0 |
pCi/L |
Erosion of natural deposits |
|
2005 |
Combined
Radium 226 & 228 |
0.200 |
0.000 |
0.400 |
5 |
0 |
pCi/L |
Erosion of natural deposits |
|
2005 |
Gross beta
Emitters |
8.450 |
5.800 |
11.400 |
50 |
0 |
pCi/L |
Decay of natural and man-made deposits |
Required Additional Health Information for Nitrate
Because the highest
reported nitrate level on this report is above 5 ppm, but below the MCL, this
information is required by the EPA:
“Nitrate in drinking water at levels above 10 ppm
is a risk for infants of less than six months of age. High nitrate levels in
drinking water can cause blue baby syndrome. If you are caring for an infant you
should ask advice from your health care provider.”
Lead and
Copper:
|
Year Range |
Contaminant |
The 90th
Percentile |
Number of
Sites Exceeding Action Level |
Action Level |
Unit of
Measure |
Source of
Contaminant |
|
2004 |
Lead |
1.200 |
0 |
15 |
ppb |
Corrosion of household plumbing
systems; Erosion of natural deposits |
|
2004 |
Copper |
0.126 |
0 |
1.3 |
ppm |
Corrosion of household plumbing
systems; Erosion of natural deposits; Leaching from wood preservatives |
Maximum
Residual Disinfectant Level:
|
Year Range |
Disinfectant |
Average
Level |
Minimum Level |
Maximum
Level |
MRDL |
MRDLG |
Unit of
Measure |
Source of
Chemical |
|
2006 |
Chlorine Gas |
.350 |
.200 |
.500 |
4.0 |
<4.0 |
ppm |
Disinfectant used to control microbes |
Disinfection By-products:
|
Year Range |
Contaminant |
Average
Level |
Minimum Level |
Maximum Level |
MCL |
Unit of
Measure |
Source of
Contaminant |
|
2006 |
Total
Trihalomethanes |
4.600 |
3.300 |
6.600 |
80 |
ppb |
By-product of drinking water chlorination |
Unregulated Contaminants:
Bromoform,
chloroform, dibromochlormethane are disinfection by-products. There is no
maximim contaminant level for these chemicals at the entry point to
distribution.
|
Year Range |
Contaminant |
Average
Level |
Minimum Level |
Maximum Level |
Unit of
Measure |
Source of
Contaminant |
|
2006-2002 |
Bromoform |
5.140 |
1.300 |
12.780 |
ppb |
By-product of drinking water
chlorination |
|
2006-2002 |
Dibromochlormethane |
1.460 |
0.000 |
3.500 |
ppb |
By-product of drinking water
chlorination |
Organic
Contaminants
|
Year Range |
Contaminant |
Average
Level |
Minimum Level |
Maximum Level |
MCL |
MCLG |
Unit of
Measure |
Source of
Contaminant |
|
2006-2002 |
Dichlorobenzenepara |
0.140 |
0.000 |
0.550 |
75 |
75 |
ppb |
By-product of drinking water chlorination |
Secondary and Other Not Regulated
Constituents
(No
associated adverse health effects)
|
Year Range |
Constituent |
Average Level |
Minimum Level |
Maximum Level |
Limit |
Unit of
Measure |
Source of
Contaminant |
|
2005-2002 |
Aluminum
|
0.003 |
0 |
0.011 |
50 |
ppm |
Abundant naturally occurring element |
|
2005 |
Bicarbonate |
399.000 |
| |