2007
We are
pleased to provide you with this year's Annual Water Quality Report also known
by the federal acronym CCR (Consumer Confidence Report). We want to keep you
informed about the excellent water and services we have delivered to you over
the past year. Our goal is, and always has been, to provide to you a safe and
dependable supply of drinking water. The well that serves your area is on
Your
drinking water is safe and meets federal and state requirements.
If you
have any questions about this report or concerning your water utility, please
contact Mike Galante, District Manager at (208) 772-3619. If you want to learn more, please attend any
of our regularly scheduled Board meetings that are held at 12:30 PM on the first
and third Thursday of each month at the District office:
North
Kootenai Water District monitors for contaminants in your drinking water
according to Federal and State laws. The table below shows the results of our
monitoring for the period of January 1 to December 31, 2007. As water travels over the
land or underground it can pick up contaminants such as microbes, inorganic and
organic chemicals, and radioactive substances.
All
drinking water, including bottled drinking water, may be reasonably expected to
contain at least small amounts of some contaminants. It's important to remember that the presence
of these contaminants does not necessarily pose a health risk.
In the
following table you will find some terms and abbreviations that you may not be
familiar with. To help you better understand these terms we provide the
following definitions:
Action Level - the concentration of
a contaminant that, if exceeded, triggers treatment or other requirements that
a water system must follow.
Maximum Contaminant Level (MCL) - The “Maximum Allowed” 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
(MCLG) - The “Goal” 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.
Non-Detects (ND) - laboratory analysis indicates that the constituent is
not present.
Parts per million (ppm) or Milligrams per liter (mg/l) - one part per million corresponds to one minute in two
years or a single penny in $10,000.
Parts per billion (ppb) or
Micrograms per liter - one part per billion corresponds to one minute in 2,000
years, or a single penny in $10,000,000.
Picocuries per liter (pCi/L) - picocuries per liter is a measure of the
radioactivity in water.
Variances & Exemptions
(V&E) - State or EPA permission not to meet a MCL or a treatment
technique under certain conditions.
|
Inorganic Contaminants
|
MCL |
MCLG |
Our Water |
|
Sample
Date |
Violation? |
Typical Source of
Contaminant |
|
||||||
|
Sodium
|
None
|
None
|
3.12
ppm |
NA
|
5/01
|
No
|
Leaching
of natural mineral deposits |
|
||||||
|
Nitrate
|
10
ppm |
10
ppm |
N/D |
NA
|
09/07 |
No
|
Runoff
from fertilizer use, leaching from septic tanks, ,erosion of natural deposits
|
|
||||||
|
Arsenic
|
10 ppb
|
NA
|
N/D
|
NA
|
12/07 |
No
|
Erosion of natural deposits; runoff from orchards; runoff from glass and electronics production wastes
|
|
||||||
|
Barium
|
2 ppm
|
2 ppm
|
0.02 ppm |
NA
|
09/04
|
No
|
Discharge of drilling wastes; discharge from metal refineries; erosion of natural deposits
|
|
||||||
|
Fluoride
|
4 ppm |
4 ppm |
N/D
|
NA
|
09/04
|
No
|
Erosion of natural deposits; water additive that promotes strong teeth; discharge from fertilizer and aluminum factories
|
|
||||||
|
Sulfate
|
NA
|
NA
|
14.8
ppm |
NA
|
5/01
|
No
|
Not Regulated
|
|
||||||
|
Thallium |
2 |
.5 |
.001 |
NA |
9/04 |
No |
Leaching from ore-procesing
sites; Discharge from electronics, glass, and drug factories |
|
||||||
|
Selenium |
50 |
.5 |
N/D |
N/A |
09/04 |
No |
Discharge from petroleum
and metal refineries; Erosion of natural deposits; Discharge from mines |
|
||||||
|
Chlorine |
MDRDl = 4 |
Na |
.17 |
NA |
12/07 |
No |
Water Additvie used to
control microbes |
|
||||||
|
|
2 |
|
|
|
|
|
|
|
|
|
||||
|
Organic Chemical
Contaminants |
MCL |
MCLG |
Our Water |
|
Sample
Date |
Violation? |
Typical Source of
Contaminant |
|
Volatile Organic Compounds
Synthetic
Organic Compounds |
NA
NA
|
NA
NA
|
ND
ND |
NA
NA
|
12/07
12/07 |
No
No
|
|
|
|
|||||||
|
Radionuclides
|
MCL |
MCLG |
Our Water |
|
Sample
Date |
Violation? |
Typical Source of
Contaminant |
|
Alpha
Activity |
15
pCi/l |
0
|
4.1
pCi/l |
+/-
1.8 |
12/00
|
No
|
Erosion
of natural deposits |
|
Beta Activity |
50 pCi/l |
0 |
3.0 pCi/l |
Na |
12/00 |
No |
Erosion of natural deposits |
|
Lead/Copper |
Action Level |
MCLG |
Our Water |
|
Sample
Date |
Violation? |
Typical Source of
Contaminant |
|
Copper
|
1.3
PPM |
1.3
PPM |
0..09
PPM |
0.06
to 0.76 PPM |
12/07 |
No
|
Corrosion
of pipes within the water system, erosion of natural mineral deposits |
|
Lead
|
15
PPB |
0
|
N/D |
ND-5
ppb |
12/07 |
No
|
Corrosion
of pipes within the water system, erosion of natural mineral deposits |
|
Bacteria |
MCL |
MCLG |
Our Water |
|
Sample
Date |
Violation? |
Typical Source of
Contaminant |
|
Total
Coliform |
Present
|
Not Present
|
Not Present
|
Na
|
Monthly
|
NO
|
Naturally
Present in Environment |