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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