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2020 Water Quality Report
Hansen, Idaho

Spanish (Espanol)
Este informe contiene informacion muy importante sobre la calidad de su agua beber. Traduscalo o hable con alguien que lo entienda bien.
Is my water safe?
We are pleased to present this year’s Annual Water Quality Report (Consumer Confidence Report) as required by the Safe Drinking Water Act (SDWA). This
report is designed to provide details about where your water comes from, what it contains, and how it compares to standards set by regulatory agencies.
This report is a snapshot of last year’s water quality. We are committed to providing you with information because informed customers are our best allies.
Do I need to take special precautions?
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/Centers
for Disease Control (CDC) guidelines on appropriate means to lessen the risk of infection by Cryptosporidium and other microbial contaminants are available
from the Safe Water Drinking Hotline at 800-426-4791.
Where does my water come from?
Water is supplied to the City’s storage tanks via three groundwater wells located throughout the City. Each well also has the capability to pump directly into
the distribution system.
Source water assessment and its availability
A copy of the City’s Wellhead Protection Plan is available for review at Hansen City Hall.
Why are there contaminants in my drinking water?
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 water poses a health risk. 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.
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:
Microbial contaminants, such as viruses and bacteria, that may come from sewage treatment plants, septic systems, agricultural livestock operations, and
wildlife;
Inorganic contaminants, such as salts and metals, which can be naturally occurring or result from urban stormwater runoff, industrial, or domestic
wastewater discharges, oil and gas production, mining, or farming;
Pesticides and herbicides, which may come from a variety of sources such as agriculture, urban stormwater runoff, and residential uses;
Organic chemical contaminants, including synthetic and volatile organic chemicals, which are by-products of industrial processes and petroleum production,
and can also come from gas stations, urban stormwater runoff, and septic systems;
Radioactive contaminants, which can be naturally occurring or be the result of oil and gas production and mining activities.
In order to ensure that tap water is safe to drink, EPA prescribes regulations that limit the amount of certain contaminants in water provided by public water
systems. Food and Drug Administration (FDA) regulations establish limits for contaminants in bottled water which must provide the same protection for
public health.
How can I get involved?
Hansen City Council meetings are held the second Monday of each month at 7 p.m. at City Hall located at 388 Main Street, Hansen Idaho. For more
information, please call City Hall at 208-423-5158.
Description of Water Treatment Process
Your water is treated by disinfection. Disinfection involves the addition of chlorine or other disinfectant to kill dangerous bacteria and microorganisms that
may be in the water. Disinfection is considered to be one of the major public health advances of the 20th century.
Water Conservation Tips
Did you know that the average U.S. household uses approximately 400 gallons of water per day or 100 gallons per person per day? Luckily, there are many
low-cost and no-cost ways to conserve water. Small changes can make a big difference - try one today and soon it will become second nature.
• Take short showers - a 5-minute shower uses 4 to 5 gallons of water compared to up to 50 gallons for a bath.
• Shut off water while brushing your teeth, washing your hair and shaving and save up to 500 gallons a month.
• Use a water-efficient showerhead. They’re inexpensive, easy to install, and can save you up to 750 gallons a month.
• Run your clothes washer and dishwasher only when they are full. You can save up to 1,000 gallons a month.
• Water plants only when necessary.
• Fix leaky toilets and faucets. Faucet washers are inexpensive and take only a few minutes to replace. To check your toilet for a leak, place a few drops
of food coloring in the tank and wait. If it seeps into the toilet bowl without flushing, you have a leak. Fixing it or replacing it with a new, more efficient
model can save up to 1,000 gallons a month.
• Adjust sprinklers so only your lawn is watered. Apply water only as fast as the soil can absorb it and during the cooler parts of the day to reduce
evaporation.
• Teach your kids about water conservation to ensure a future generation that uses water wisely. Make it a family effort to reduce next month’s water bill!
• Visit www.epa.gov/watersense for more information.
Source Water Protection Tips
Protection of drinking water is everyone’s responsibility. You can help protect your community’s drinking water source in several ways:
• Eliminate excess use of lawn and garden fertilizers and pesticides - they contain hazardous chemicals that can reach your drinking water source.
• Pick up after your pets.
• If you have your own septic system, properly maintain your system to reduce leaching to water sources or consider connecting to a public water system.
• Dispose of chemicals properly; take used motor oil to a recycling center.
• Volunteer in your community. Find a watershed or wellhead protection organization in your community and volunteer to help. If there are no active
groups, consider starting one. Use EPA’s Adopt Your Watershed to locate groups in your community or visit the Watershed Information Network’s How to
Start a Watershed Team.
• Organize a storm drain stenciling project with your local government or water supplier. Stencil a message next to the street drain reminding people
“Dump No Waste - Drains to River” or “Protect Your Water.” Produce and distribute a flyer for households to remind residents that storm drains dump
directly into your local water body.
Additional Information for Lead
If present, elevated levels of lead can cause serious health problems, especially for pregnant women and young children. Lead in drinking water is primarily
from materials and components associated with service lines and home plumbing. The City of Hansen is responsible for providing high quality drinking water
but cannot control the variety of materials used in plumbing components. When your water has been sitting for several hours, you can minimize the potential
for lead exposure by flushing your tap for 30 seconds to 2 minutes before using water for drinking or cooking. If you are concerned about lead in your water,
you may wish to have your water tested. Information on lead in drinking water, testing methods, and steps you can take to minimize exposure is available
from the Safe Drinking Water Hotline or at http://www.epa.gov/safewater/lead.
Additional Information for Arsenic
While your drinking water meets EPA’s standard for arsenic, it does contain low levels of arsenic. EPA’s standard balances the current understanding of
arsenic’s possible health effects against the costs of removing arsenic from drinking water. EPA continues to research the health effects of low levels
of arsenic which is a mineral known to cause cancer in humans at high concentrations and is linked to other health effects such as skin damage and
circulatory problems.
Water Quality Data Table
In order to ensure that tap water is safe to drink, EPA prescribes regulations which limit the amount of contaminants in water provided by public water
systems. The table below lists all of the drinking water contaminants that we detected during the calendar year of this report. Although many more
contaminants were tested, only those substances listed below were found in your water. All sources of drinking water contain some naturally occurring
contaminants. At low levels, these substances are generally not harmful in our drinking water. Removing all contaminants would be extremely expensive,
and in most cases, would not provide increased protection of public health. A few naturally occurring minerals may actually improve the taste of drinking
water and have nutritional value at low levels. Unless otherwise noted, the data presented in this table is from testing done in the calendar year of the report.
The EPA or the State requires us to monitor for certain contaminants less than once per year because the concentrations of these contaminants do not vary
significantly from year to year, or the system is not considered vulnerable to this type of contamination. As such, some of our data, though representative,
may be more than one year old. In this table you will find terms and abbreviations that might not be familiar to you. To help you better understand these
terms, we have provided the definitions below the table.
Range
MCLG
or
MCL or
Detect In
Sample
Contaminants
MRDLG
MRDL
Your Water
Low
High
Date
Violation
Disinfectants & Disinfection By-Products
(There is convincing evidence that addition of a disinfectant is necessary for control of microbial contaminants)
0.4
Chlorine (as Cl2) (ppm)
4
4
0.2
0.5
2020
No
(RAA)
Haloacetic Acids (HAA5)
NA
60
1.6
NA
2020
No
(ppb)
TTHMs [Total
NA
80
6.4
NA
2020
No
Trihalomethanes] (ppb)
Inorganic Contaminants
Arsenic (ppb)

0

10

3

Barium (ppm)

2

2

0.2

0.2

Fluoride (ppm)

4

4

1

Nitrate [measured as
Nitrogen] (ppm)

10

10

Selenium (ppb)

50

Radioactive Contaminants
Alpha emitters (pCi/L)
Uranium (ug/L)
Contaminants
Lead and Copper
Copper - action level at
consumer taps (ppm)
Lead - action level at
consumer taps (ppb)

NA

2018

No

0.2

2018

No

0.5

1

2017

No

6.7

2.2

6.7

2020

No

50

2

2

2

2018

No

0
0

15
30

7.4
12

9

12

2020
2017

No
No

MCLG

AL

Your
Water

Sample
Date

# Samples
Exceeding AL

Exceeds
AL

1.3

1.3

0.1

2019

0

No

0

15

2

2019

0

No

NA

Typical Source

Water additive used to control
microbes
By-product of drinking water
chlorination
By-product of drinking water
disinfection
Erosion of natural deposits; Runoff
from orchards; Runoff from glass
and electronics production wastes
Discharge of drilling wastes;
Discharge from metal refineries;
Erosion of natural deposits
Erosion of natural deposits; Water
additive which promotes strong
teeth; Discharge from fertilizer and
aluminum factories
Runoff from fertilizer use; Leaching
from septic tanks, sewage; Erosion
of natural deposits
Discharge from petroleum and
metal refineries; Erosion of natural
deposits; Discharge from mines
Erosion of natural deposits
Erosion of natural deposits
Typical Source
Corrosion of household plumbing
systems; Erosion of natural deposits
Corrosion of household plumbing
systems; Erosion of natural deposits

Important Drinking Water Terms and Definitions
Term
Definition
ug/L Number of micrograms of substance in one liter of water
ppm parts per million, or milligrams per liter (mg/L)
ppb parts per billion, or micrograms per liter (µg/L)
pCi/L picocuries per liter (a measure of radioactivity)
RAA Running Annual Average
NA not applicable
Maximum Contaminant Level Goal: The level of a contaminant in drinking water below which there is no known or expected risk to health. MCLGs
MCLG allow
for a margin of safety.
Contaminant Level: The highest level of a contaminant that is allowed in drinking water. MCLs are set as close to the MCLGs as feasible
MCL Maximum
using the best available treatment technology.
AL Action Level: The concentration of a contaminant which, if exceeded, triggers treatment or other requirements which a water system must follow.
residual disinfection level goal. The level of a drinking water disinfectant below which there is no known or expected risk to health.
MRDLG Maximum
MRDLGs do not reflect the benefits of the use of disinfectants to control microbial contaminants.
Maximum residual disinfectant level. The highest level of a disinfectant allowed in drinking water. There is convincing evidence that addition of a
MRDL disinfectant
is necessary for control of microbial contaminants.
For more information please contact:
Contact Name: Jack Bennion
Address: P.O. Box 5158
Twin Falls, ID 83303
Phone: 208-734-9933
A paper copy of the CCR can be picked up at the Hansen City Hall.

Publish: 4 June, 2021

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