Consumer Confidence Report Water Quality Report-2016-ENG | Page 3

Substance
Chloroform
Bromodichloromethane
Chlorodibromomethane
Bromoform
Dichloroacetic Acid
Bromoacetic Acid
Dibromoacetic Acid
Chloroacetic Acid
Trichloroacetic Acid
Units Avg. Min. Max. MCL MCLG
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppb
ppb 4.3
3.9
3.6
0.7
5.62
0.03
0.72
0.61
0.64 3.6
3.8
3.3
0.4
4.9
0
0.4
0.14
0.32 5
4.2
4.2
1.3
6.82
0.09
1.04
1.34
0.78 Not Regulated
Not Regulated
Not Regulated
Not Regulated
Not Regulated
Not Regulated
Not Regulated
Not Regulated
Not Regulated NE
NE
60
NE
NE
NE
NE
NE
300
Other Substances of Interest
Substance Units Avg Min Max
Total:
Alkalinity ppm 90.9 38 119
Hardness
ppm
98.5
44
136
Hardness
grains/gal.
5.8
2.6
7.9
Calcium ppm 30 14 46
Sodium
ppm 22.5 15.2 27.9
Magnesium ppm 3.8 2.4 5.2
Chloride ppm 16 6 21
pH
units 8.2 7.7 8.6
Possible Source
By-product of drinking water disinfection;
not regulated individually; included in Total
Trihalomethanes.
By-product of drinking water disinfection; not
regulated individually; included in Haloacetic Acids.
The Environmental Protection Agency (EPA)
Safe Drinking Water Hotline

Drinking water, including bottled water, may reasonably be expected
to contain at least small amounts of some constituents. The presence of these
constituents does not necessarily indicate that water poses a health risk. In
order to ensure that tap water is safe to drink, the EPA prescribes regulations
that limit the amount of certain substances in water provided by public
water systems.

More information about contaminants and potential health effects can
be obtained by calling the Environmental Protection Agency’s (EPA) Safe
Drinking Water Hotline at 800-426-4791 or visiting the EPA website at
www.epa.gov/safewater.
Of the 18,963,640,404 gallons of water treated by the City of Arlington in 2016, an estimated 1,711,641,201 gallons of water (9%)
was lost due to a variety of reasons such as main line breaks, leaks, unauthorized consumption, etc.
evel Goal (MRDLG) The
tant below which there
health. MRDLGs do not
disinfectants to control
evel (MRDL) The highest
drinking water. There
ition of a disinfectant is
al contaminants.
e parameter was
its) A unit used when
of the cloudiness of the
sure of radioactivity in
t of measurement
00 gallons.
nit of measurement
gallons.
red process intended
nant in drinking water.
Substances Expected to be in Drinking Water
The City of Arlington and the State of Texas both analyze your drinking water. Any regulated substances that were detected during the
last year are shown in Table A. As shown in the table, all are well below the established maximum contaminant levels. All water dissolves
substances from the ground as it flows over and through it. Substances that may be present in raw water include such things as:
Microbes such as viruses and bacteria that
come from septic systems, agricultural livestock
operations and wildlife
Salts and metals that can be naturally occurring or
the result of urban storm water runoff, industrial or
domestic wastewater discharges or farming
Pesticides and herbicides that may come from a
variety of sources such as agriculture, urban storm
water runoff or residential uses
Substances may be found in drinking water that may cause taste, color,
or odor problems but are not necessarily causes for health concerns.
For more information, call Laboratory Services at 817-575-8984.
microbes
salts/metals
pesticides/herbicides
organic chemicals
radioactive
substances
Organic chemical substances that include synthetic
and volatile organic chemicals that are by-products
of industrial processes and can also come from gas
stations and urban storm water runoff
Radioact