HomeMy Public PortalAbout1999 Annual Drinking Water Quality Report Annual rinking Water Quality Report
City Of McCall Water Treatment Facility
September 1999
We are pleased to present to you this year's Annual Quality Water 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 Payette Lake. There are two intake pump stations, Davis Beach and Legacy
Park. Water is pumped to the Water Treatment plant in Spring Mountain Ranch.
If you have any questions about this report or concerning your water utility, please contact Gary Kimball at
634-1853. 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 every other Thursday at City Hall.
The City Of McCall Water Treatment Facility routinely monitors 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 1,
1998 to December 31, 1998. All drinking water, including bottled drinking water, may be reasonably expected
to contain at least small amounts of some constituents. It is important to remember that the presence of these
constituents does not necessarily pose a health risk.
In this table, you will find many terms and abbreviations you may not be familiar with. To help you better
understand these terms we have provided the following definitions:
N/A -Not applicable
Non-Detects (ND) - Laboratory analysis indicates that the constituent is notD1
3 Parts per million (ppm) or Milligrams per liter (mg/1)
Parts per billion (ppb) or Micrograms per liter(ug/L) I � 2 �!
' Parts per trillion (ppt) or Nanograms per liter (nanograms/l)
Parts per quadrillion (ppq) or Picograms per liter (picograms/l)
Picocuries per liter (pCA) - Picocuries per liter is a measure of the radioactivity in water.
Millirems per year (mrem/yr) - Measure of radiation absorbed by the body.
Million Fibers per Liter (MFL) - Million fibers per liter is a measure of the presence of asbestos fibers that are
longer than 10 micrometers.
Nephelometric Turbidity Unit (NTU) -Nephelometric turbidity unit is'a measure of the clarity of water.
Turbidity in excess of 5 NTU is just noticeable to the average person.
Page 1
A
._..o..�wiw.'n."._.
���� �y
4{{�.
II
i
t.
Action Level- The concentration of a contaminant, which, if exceeded, triggers treatment, or other
requirements, which a water system must follow.
Treatment Technique (7T) - A treatment technique is a required process intended to reduce the level of a
contaminant in drinking water.
Maximum Contaminant Level- 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- 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.
TEST RESULTS
Contaminant Violation Level Unit MCLG Date MCL Likely Source of Contamination
Y/N Detected Measurement Tested
Microbiological Contaminants
1.Total Coliform Bacteria N N/D 0 Monthly Presence of Naturally present in the
coliform environment
bacteria in 5%
of monthly
samples
2.Fecal coliform and 0 A routine Human and animal fecal waste
E.coli sample and
_ repeat sample
N/A are total
coliform
positive,and
one is also
fecal coliform
or E. col i
positive
3.Turbidity n/a TT Soil runoff
N N/A
Radioactive Contaminants
5.Alpha emitters N 0.0 pCi/1 0 15 Erosion of natural deposits
Inorganic Contaminants
7.Antimony N 2 ppb 6 07/96 6 Discharge from petroleum
refineries;fire retardants;ceramics;
electronics;solder
8.Arsenic N N/D ppb n/a 07/96 50 Erosion of natural deposits;runoff
from orchards;runoff from glass
and electronics production wastes
9.Asbestos N 0.18 MFL 7 07/96 7 Decay of asbestos cement water
mains;erosion of natural deposits
10.Barium N j ppm 2 07/96 2 Discharge of drilling wastes;
discharge from metal refineries;
erosion of natural deposits
Page 2
5
TEST RESULTS
Contaminant Violation Level Unit MC LG Date MCL Likely Source of Contamination
Y/N Detected Measurement Tested
Inorganic Contaminants (Contd.)
11.Beryllium N 0.2 ppb 4 07/96 4 Discharge from metal refineries
and coal-burning factories;
discharge from electrical,
aerospace,and defense industries
12.Cadmium N 0.5 ppb 5 07/96 5 Corrosion of galvanized pipes;
erosion of natural deposits;
discharge from metal refineries;
runoff from waste batteries and
paints
13.Chromium N 2 ppb 100 07/96 100 Discharge from steel and pulp
mills;erosion of natural deposits
14.Copper N 0.42 ppm 1.3 12/98 AL=1.3 Corrosion of household plumbing
systems;erosion of natural
deposits;leaching from wood
preservatives
15.Cyanide N NOD ppb 200 07/96 200 Discharge from steel/metal
factories;discharge from plastic
and fertilizer factories
16.Fluoride N 0.2 ppm 4 07/96 4 Erosion of natural deposits;water
additive which promotes strong
teeth;discharge from fertilizer and
aluminum factories
17.Lead N 11 ppb 0 12/98 AL=15 Corrosion of household plumbing
systems,erosion of natural deposits
18.Mercury(inorganic) N 0.2 ppb 2 07/96 2 Erosion of natural deposits;
discharge from refineries and
factories;runoff from landfills;
runoff from cropland
19.Nitrate(as Nitrogen) N N/D ppm 10 07/96 10 Runoff from fertilizer use;leaching
from septic tanks,sewage;erosion
of natural deposits
20.Nitrite(as Nitrogen) N 0.01 ppm 1 07/96 1 Runoff from fertilizer use;leaching
from septic tanks,sewage;erosion
of natural deposits
21.Selenium N 5 ppb 50 07/96 50 Discharge from petroleum and
metal refineries;erosion of natural
deposits;discharge from mines
22.Thallium N 0.6 ppb 0.5 07/96 2 Leaching from ore-processing
sites;discharge from electronics,
glass,and drug factories
Synthetic Organic Contaminants including Pesticides and Herbicides
23.2,4-D N N/D ppb 70 02/98 70 Runoff from herbicide used on row
crops
24.2,4,5-TP(Silvex) N N/D ppb 50 02/98 50 Residue of banned herbicide
25.Acrylamide N N/D 0 02/98 TT Added to water during
sewage/wastewater treatment
26.Alachlor N N/D ppb 0 02/98 2 Runoff from herbicide used on row
crops
27.Atrazine N N/D ppb 3 02/98 3 Runoff from herbicide used on row
crops
28.Benzo(a)pyrene(PW N N/D nanograms/1 0 02/98 200 Leaching from linings of water
storage tanks and distribution lines
29.Cazbofuran N N/D ppb 40 02/98 40 Leaching of soil fumigant used on
rice and alfalfa
30.Chlordane N N/D ppb 0 02/98 2 Residue of banned termiticide
Page 3
TEST RESULTS
Contaminant Violation Level Unit MCLG Date MCI
Likely Source of Contamination
Y/N Detected Measurement Tested
Synthetic Organic Contaminants including Pesticides and Herbicides (Contd.)
31.Dalapon N N/D ppb 200 02/98 200 Runoff from herbicide used on
rights of way
32.Di(2-ethylhexyl) N N/D ppb 400 02/98 400 Discharge from chemical factories
adi ate
33.Di(2-ethylhexyl) N N/D ppb 0 02/98 6 Discharge from rubber and
phthalate chemical factories
34.Dibromochloropropane N N/D nanograms/1 0 02/98 200 Runoff/leaching from soil fumigant
used on soybeans,cotton,
pineapples,and orchards
35.Dinoseb N N/D ppb 7 02/98 7 Runoff from herbicide used on
soybeans and vegetables
36.Diquat N N/D ppb 20 02/98 20 Runoff from herbicide use
37.Dioxin N N/D picograrns/1 0 02/98 30 Emissions from waste incineration
[2,3,7,8-TCDD] and other combustion;discharge
from chemical factories
38.Endothall N N/D ppb 100 02/98 100 Runoff from herbicide use
39.Endrin N N/D ppb 2 02/98 2 Residue of banned insecticide
40.Epichlorohydrin N N/D 0 02/98 TT Discharge from industrial chemical
factories;an impurity of some
water treatment chemicals
41.Ethylene dibromide N N/D nanograms/1 0 02/98 50 Discharge from petroleum
refineries
42.Glyphosate N N/D ppb 700 02/98 700 Runoff from herbicide use
43.Heptachlor N N/D nanograms/1 0 02/98 400 Residue of banned termiticide
44.Heptachlor epoxide N N/D nanograms/1 0 02/98 200 Breakdown of heptachlor
s 45.Hexachlorobenzene N N/D ppb 0 02/98 1 Discharge from metal refineries
and agricultural chemical factories
46.Hexachlorocyclo- N N/D ppb 50 02/98 50 Discharge from chemical factories
pentadiene
47.Lindane N N/D nanograms/1 200 02/98 200 Runoff/leaching from insecticide
used on cattle,lumber,gardens
48.Methoxychlor N N/D ppb 40 02/98 40 Runoff/leaching from insecticide
used on fruits,vegetables,alfalfa,
livestock
49.Oxamyl[Vydate] N N/D ppb 200 02/98 200 Runoff/leaching from insecticide
used on apples,potatoes and
tomatoes
50.PCBs[Polychlorinated N N/D nanograms/I 0 02/98 500 Runoff from landfills;discharge of
bi hen ls] waste chemicals
51.Pentachlorophenol N N/D ppb 0 02/98 1 Discharge from wood preserving
factories
52.Picloram N N/D ppb 500 02/98 500 Herbicide runoff
53.Simazine N N/D ppb 4 02/98 4 Herbicide runoff
54.Toxaphene N N/D ppb 0 02/98 3 Runofffleaching from insecticide
used on cotton and cattle
Page 4
TEST RESULTS
Contaminant Violation Level Unit =DsateMCL Likely Source of ContaminationY/N Detected Measuremented
Volatile Organic Contaminants
55.Benzene N N/D ppb 0 06/97 5 Discharge from factories;leaching
from gas storage tanks and landfills
56.Carbon tetrachloride N N/D ppb 0 06/97 5 Discharge from chemical plants
and other industrial activities
57.Chlorobenzene N N/D ppb 100 06/97 100 Discharge from chemical and
agricultural chemical factories
58.o-Dichlorobenzene N N/D ppb 600 06/97 600 Discharge from industrial chemical
factories
59.p-Dichlorobenzene N N/D ppb 75 06/97 75 Discharge from industrial chemical
factories
60. 1,2-Dichloroethane N N/D ppb 0 06/97 5 Discharge from industrial chemical
factories
61. l,l-Dichloroethylene N N/D ppb 7 06/97 7 Discharge from industrial chemical
factories
62.cis-1,2-ichloroethylene N N/D ppb 70 06/97 70 Discharge from industrial chemical
factories
63. trans-1,2- N N/D ppb 100 06/97 100 Discharge from industrial chemical
Dichloroethylene factories
64.Dichloromethane N N/D ppb 0 06/97 5 Discharge from pharmaceutical
and chemical factories
65. 1,2-Dichloropropane N N/D ppb 0 06/97 5 Discharge from industrial chemical
factories
66.Ethylbenzene N N/D ppb 700 06/97 700 Discharge from petroleum
refineries
67. Styrene N N/D ppb 100 06/97 100 Discharge from rubber and plastic
factories;leaching from landfills
68.Tetrachloroethylene N N/D ppb 0 06/97 5 Leaching from PVC pipes;
discharge from factories and dry
cleaners
69. 1,2,4- N N/D ppb 70 06/97 70 Discharge from textile-finishing
Trichlorobenzene factories
70. 1,1,1-Trichloroethane N N/D ppb 200 06/97 200 Discharge from metal degreasing
sites and other factories
71. 1,1,2-Trichloroethane N N/D ppb 3 06/97 5 Discharge from industrial chemical
factories
72.Trichloroethylene N N/D ppb 0 06/97 5 Discharge from metal degreasing
sites and other factories
73.TTHM N 71.4 ppb 0 06/97 100 By-product of drinking water
[Total trihalomethanes chlorination
74.Toluene N N/D ppm 1 06/97 1 Discharge from petroleum factories
75.Vinyl Chloride N N/D ppb 0 06/97 2 Leaching from PVC piping;
discharge from plastics factories
76.Xylenes N N/D ppm 10 06/97 10 Discharge from petroleum
factories;discharge from chemical
factories
Microbiological Contaminants:
(3)Turbidity-Turbidity has no health effects. However,turbidity can interfere with disinfection and provide a medium for microbial
growth. Turbidity may indicate the presence of disease-causing organisms. These organisms include bacteria, viruses, and parasites
that can cause symptoms such as nausea,cramps,diarrhea, and associated headaches.
Page 5
Inorganic Contaminants: F
(7) Antimony - Some people who drink water containing antimony well in excess of the MCL over many years could experience
increases in blood cholesterol and decreases in blood sugar.
(9)Asbestos- Some people who drink water containing asbestos in excess of the MCL over many years may have an increased risk
of developing benign intestinal polyps.
(10)Barium-Some people who drink water containing barium in excess of the MCL over many years could experience an increase in
their blood pressure.
(11) Beryllium - Some people who drink water containing beryllium well in excess of the MCL over many years could develop
intestinal lesions.
(12) Cadmium- Some people who drink water containing cadmium in excess of the MCL over many years could experience kidney s
damage.
(13) Chromium - Some people who use water containing chromium well in excess of the MCL over many years could experience
allergic dermatitis.
(14)Copper- Copper is an essential nutrient,but some people who drink water containing copper in excess of the action level over a
relatively short amount of time could experience gastrointestinal distress. Some people who drink water containing copper in excess of
the action level over many years could suffer liver or kidney damage. People with Wilson's Disease should consult their personal °
doctor.
(16) Fluoride - Some people who drink water containing fluoride in excess of the MCL over many years could get bone disease,
including pain and tenderness of the bones. Children may get mottled teeth.
(17)Lead-Infants and children who drink water containing lead in excess of the action level could experience delays in their physical
or mental development. Children could show slight deficits in attention span and learning abilities. Adults who drink this water over
many years could develop kidney problems or high blood pressure.
(18)Mercury (inorganic) - Some people who drink water containing inorganic mercury well in excess of the MCL over many years
could experience kidney damage.
(20)Nitrite-Infants below the age of six months who drink water containing nitrite in excess of the MCL could become seriously ill
and,if untreated,may die. Symptoms include shortness of breath and blue-baby syndrome.
(21) Selenium- Selenium is an essential nutrient. However, some people who drink water containing selenium in excess of the MCL
over many years could experience hair or fingernail losses,numbness in fingers or toes,or problems with their circulation.
Volatile Organic Contaminants:
(73)TTHMs [Total Trihalomethanes] - Some people who drink water containing trihalomethanes in excess of the MCL over many
years may experience problems with their liver,kidneys, or central nervous systems,and may have an increased risk of getting cancer.
Inadequately treated water may contain disease-causing organisms. These organisms include bacteria, viruses,
and parasites, which can cause symptoms such as nausea, cramps, diarrhea, and associated headaches.
k
} As you can see by the table, our system had no violations. We are 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 your water IS SAFE at these levels.
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.
Page 6
t
Thank you for allowing us to continue providing your family with clean, quality water this year. In order to
maintain a safe and dependable water supply we sometimes need to make improvements that will benefit all of X
our customers. These improvements are sometimes reflected as rate structure adjustments. Thank you for
understanding.
E
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. 634-1853
Gary Kimball Water & Waste Water Superintendent
i
}
1
k,
Page 7
e: