Type of
Contaminant
Inorganic
Contaminant
Year or
Range
2014
Contaminant (unit of
measure)
Arsenic (ppb)
Average
Level
1.35
Minimum
Level
0
Maximum MCL MCLG
Source
Level
Contaminant
3
0
10
Erosion of natural deposits
Type of
Treatment
MRDL
2014
Barium (ppm)
0.158
0.171
0.277
Type of
Treatment
2014
Fluoride (ppm)
0.5
2014
Nitrate (ppm)
0.252
0.164
2014
Nitrite (ppm)
0.05
0.00
2014
Disinfection
Byproducts
Radioactive
Contaminants
10.0
2014
Cyanide (ppb)
125
2014
Total Haloacetic Acids
(ppb)
Total Trihalomethanes
Beta/Proton Emitters
(pCi/L)
Combined Radium
226/228
18.1
2014
2014
2014
Unregulated
Contaminants
Selenium (ppb)
2014
2014
2014
2014
2014
Chloroform (ppb)
Bromoform (ppb)
Bromchloroacetic acid
(ppb)
Bromodichloromethane
(ppb)
Dibromochloromethane
(ppb)
0.24
5.8
110
2
2
Erosion of natural deposits;
Discharge from drilling waste
4.0
4
Erosion of natural deposits; water additive
for strong teeth; discharge from fertilizer
and aluminum factories
0.34
10
10
Erosion of natural deposits; runoff from
fertilizer use; leaching from septic tanks or
sewage
0.0805
1
1
Erosion of natural deposits; runoff from
fertilizer use; leaching from septic tanks or
sewage
0.53
7.9
100
50
50
200
200
31.6
60
N/A
By-product of drinking water disinfection
56
11.5
33.6
11.5
77.6
11.5
80
50
N/A
N/A
2.1
1
3.2
80
N/A
By-product of drinking water disinfection
Erosion of natural deposits; Decay of
natural and man made deposits
By-product of drinking water disinfection
1.7
33.5
1.9
<1.0
25.8
1.60
3.5
44.5
3.10
N/A
N/A
N/A
N/A
N/A
N/A
By-product of drinking water disinfection
By-product of drinking water disinfection
By-product of drinking water disinfection
1.9
1.60
3.10
N/A
N/A
By-product of drinking water disinfection
7.46
5.4
11.7
N/A
N/A
By-product of drinking water disinfection
Year or
Range
Contaminant (unit of Average Minimum Maximum
measure)
Level
Level
Level
Secondary
and other
Constituents
not
Regulated
2014
2014
2014
2014
Aluminum (ppm)
Bicarbonate (ppm)
Calcium (ppm)
Chloride (ppm)
0.008
139
80.7
287
ND
131
72.5
233
2014
Copper (ppm)
0.0007
ND
2014
2014
2014
2014
2014
Magnesium (ppm)
Manganese (ppm)
Nickel (ppm)
pH (units)
Sodium (ppm)
32.4
0.0068
0.0028
8.1
141
27.1
0.0058
0.0024
7.9
116
42.9
0.0081
0.0033
8.3
154
2014
Sulfate (ppm)
167
121
256
2014
Total Alkalinity
as CaCO3 (ppm)
Total Dissolved
Solids (ppm)
114
107
127
N/A
813
787
848
1000
335
293
417
N/A
2014
Total Hardness
as CaCO3 (ppm)
Discharge from plastic and fertilizer
factories; Discharge from steel/metal
factories
8.0
Type of
Contaminant
2014
Erosion from natural deposits; discharge
from petroleum refineries
0.024
155
96.4
315
0.0022
Secondary
Limit
0.05
N/A
N/A
300
Source of Contaminant
Naturally present in the environment
Corrosion of carbonate rocks; such as limestone
Naturally present in the environment
Naturally present in the environment
1.0 Corrosion of house plumbing, erosion from natural
deposits; leaching from wood preservatives
N/A
Naturally present in the environment
0.05
Naturally present in the environment
N/A
Erosion of natural deposits
>7.0
Measure of corrosivity
N/A
Erosion of natural deposits, byproduct of oil
field activity
300 Naturally occurring, common industrial byproduct
byproduct of oilfield activity
Lead and
Copper
Year or
Range
2014
Year or
Range
Disinfectant
Used
Chloramines
Contaminant
Average
Level
1.03
Minimum Maximum MRDL MRDLG
Level
Level
0.52
2.81
4.0
4.0
The 90th
Number of sites
Percentile Exceeding Action Level
2013
Lead (ppb)
2.59
0
15
Corrosion of household plumbing
systems; erosion of natural deposits
2013
Copper (ppm)
0.154
0
1.3
Erosion of natural deposits;
leaching from wood preservatives;
corrosion of household plumbing
systems
Turbidity
Source of Contaminant
Limits
Type of
Contaminant
Year or
Range
Contaminant
Turbidity
2014
Turbidity (NTU)
Type of
Contaminant
Asbestos
Year or
Range
2014
Contaminant
Type of
Contaminant
Total
Coliform
Year or Contaminant
Highest Number
MCL
Range
of Positive Samples
2014 Total Coliform There were no TCR detections 0
Bacteria
in this CCR period
Asbestos
Highest single
Measurement
Lowest monthly % of
Samples Meeting Limits
0.4
Average
Level
ND
0.3
Minimum
Level
ND
Naturally occurring calcium
0.3
Maximum
Level
ND
Fecal Coliform- not detected during this CCR period
Organic Contaminants- none detected during this CCR period
Cryptospordium- not detected during this CCR period
Type of
Year or Contaminant Average
Minimum Maximum
Contaminant Range Source
Level
Level
Level
Total
2014
Source Water
9.4
7.5
12.3
Carbon
2014
Drinking Water 6.90
5.3
8.9
Soil runoff
MFL
Source of Contaminant
7
Construction Materials
Unit of
Violation Source of Contaminant
Measure
Presence
No
Naturally present
in the environment
Unit of
Measure
ppm
ppm
Source of
Contaminant
Naturally present in Environment
Naturally present in Environment
Definitions and Abbreviations: The following table contains scientific terms and measures, some may require explanation.
ppm- parts per million or milligrams per liter (mg/l). One ounce in 7,350,000 gallons of water
ppb- parts per billion or micrograms per liter (ug/l). One ounce in 7,350,000 gallons of water
Maximum Contaminant Level (MCL)- The highest level of substance that is allowed in drinking water. MCLs are set as close to
the MCLGs as feasible using best available treatment technology.
Maximum Contaminant Level Goal (MCLG)- The level of a substance in drinking water below which there is no known or
expected health risk. MCLGs allow a margin for safety
Treatment Technique (TT)- A required process intended to reduce the level of a substance in drinking water
MFL- million fibers per liter (a measure of asbestos)
NTU- Nephelometric turbidity units. Unit of a measure of the turbidity (cloudiness) of water
pCi/L- picocuries per liter (a measure of radioactivity)
Maximum Residual Disinfectant Level (MRDL)- The highest level of 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.
Action Level (AL)- The concentration of a substance, which, if exceeded, triggers treatment or other requirements which a
water system must follow.
Naturally occurring mineral salts
Total dissolved mineral constitute in water
Action
Level
Source of
Chemical
Disinfectant used to
control microbes
Source of
Contaminant
J- Analyte detected below the quantitation limit but above the detection limit
ND- Analyte not detected in sample
N/A- not applicable