6.1.e. ERMUSR 08-09-2016 Elk River
Municipal Utilities UTILITIES COMMISSION MEETING
TO: FROM:
Elk River Municipal Utilities Commission Eric Volk- Water Superintendent
John Dietz—Chair
Al Nadeau—Vice Chair
Daryl Thompson—Trustee
MEETING DATE: AGENDA ITEM NUMBER:
August 9, 2016 6.1e
SUBJECT:
Staff Update
DISCUSSION:
• Delivered eight new water meters.
• Sealed the water meter, and took curb stop ties from seven water services.
• Went on seven service calls.
• Completed 25 BACTI/Total Chlorine Residual Samples
o All confirmed negative for Coliform Bacteria.
• Completed 20 routine fluoride samples
o All samples met MDH standards.
• Received the results from our 2016 Lead and Copper Testing, and based on the results
our public water system has not exceeded the action level for lead or copper. In addition,
all of the homes tested passed both lead and copper. Attached is the Minnesota
Department of Health (MDH) Lead/Copper Monitoring Report,the MDH Lead/Copper
Delivery Certification, and the notification letter and lead in drinking water fact sheet that
was sent out to the customers who participated in the testing. Due to data privacy, we are
unable to include the addresses of the homes that were tested. Based on our test results,
we will not be required to perform Lead and Copper testing again until 2019.
• The water operators have nearly completed the annual preventative maintenance of fire
hydrants. Within the next few weeks, the operators will have performed maintenance on
over 350 hydrants this year.
• Well #7 was put back into service and has been performing as expected.
• The contractors have been progressing with the WTP#7 Expansion. Most of the footings
have been poured and the new water main leaving the expansion has also been installed.
The walls, filter, and roof are all scheduled to be installed the week of Labor Day. I have
attached pictures of the progress made so far.
• The water main at the high school was repaired permanently. Attached is a picture of the
repair.
POWERED IT
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Page 1 of 2 NATURE
Reliable Public
Power provider POWERED T o SERV E
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ATTACHMENTS:
• July Pumping by Well
• July 2016 Accumulated Precipitation Graph
• July 2016 Daily Temperature Graph
• Minnesota Department of Health Lead/Copper Tap Water Monitoring Report
• Minnesota Department of Health Lead/Copper Results Delivery Certification
• Sample Letter—Notification of Lead/Copper Results Mailed to Residents
• Lead in Drinking Water Fact Sheet
• Pictures - WTP #7 Expansion Project
• Picture—High School Water Main Repair
111-011EREI IT
Page 2 of 2 NATURE
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Power Provider P O W E R E D T O S ERV E
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MDH
Minnesota
Department
of Health
July 22,2016 PROTECTING, MAINTAINING & IMPROVING THE HEALTH OF ALL MINNESOTANS
Elk River Municipal Utilities
P.O.Box 430
Elk River,Minnesota 55330-5600
Gentlemen/Ladies:
SUBJECT: Lead/Copper Tap Water Monitoring Report,PWSID 1710004
This letter is to report the results of your recent lead/copper monitoring that is required by the Safe
Drinking Water Act. The results revealed the following 90th percentile levels:
90th percentile lead level=214/1(rounded as 0.002 mg/1).
The action level for lead is 15.0 µg/l.
90th percentile copper level=152 µg/1(rounded as 0.152 mg/I).
The action level for copper is 1300 µg/l.
Based on these results,your public water system has not exceeded the action level for lead and has
not exceeded the action level for copper.
By federal rule,40 CFR 141.85,you are required to provide the lead/copper results to persons served
at the sites that were tested. In addition,you must provide them with an explanation of the health
effects of lead/copper,list steps consumers can take to reduce exposure to lead/copper in drinking
water,and water utility contact information. The notification must also provide the maximum
contaminant level goals,the action levels for lead/copper,and the definitions for these two terms.
Notification must be made within 30 days by U.S. Mail. If the residence-is a rental property,both the
occupant(s)of the residence and rental property owner must be notified. To assist you in meeting the
notification requirements,we have enclosed a sample letter and a fact sheet on lead/copper in drinking
water. All of the information contained in the sample letter is EPA required language and must be
included in your letter and provided to the homeowner. If you would like to receive any of the
enclosed documents via e-mail,please send your request to pauline.wuoti@state.mn.us.
The lead/copper sampling site addresses are private data. This information was classified as
"nonpublic"by the Minnesota Department of Administration in October 2004,upon the request of
Minnesota Department of Health(MDH)and Minnesota community water supply systems. When
notifying the persons served at the sites that were tested,provide them with the results for that address •
only.
An equal opportunity employer
86
•
lif_.al MINNESOTA DEPARTMENT OF HEALTH
M D l Lead/Copper Results Delivery Certification
Municipal System(Population Greater Than 3,300)
PWS Name:Elk River PWSID: 1710004
Compliance Period: June 1,2016- September 30,2016
Z9. PLEASE COMPLETE THIS FORM.
Delivery/Notification must be completed within 30 days.
Delivery/Notification:
Residences were notified by U.S.Mail on }, � 24, AP i. (date). You must submit a copy of the letter
that you sent to the residents notifying them of th results,along with this certification form.
Failure to provide notice of the lead/copper results to persons served at the sites that were tested and submit this
Results Delivery Certification form to the MDH will result in enforcement action,which may include fines,
from the U.S.Environmental Protection Agency and/or the MDH.
I certify that lead/copper results were provided to persons served at the sites that were tested along with the
following information: MCLGs,ALs and their definitions,a fact sheet on the health effects of lead/copper
which includes steps to reduce exposure to lead/copper in drinking water, and contact information for the water
utility. I further certify that notification was completed within 30 days after our system learned of the results,
and that if the residence is a rental property,both the occupant(s)and rental property owner were notified.
Signature: Print Name: Et'i c, V [k
Job Title: W ebiel Phone: Date: /►c.
Email Address: -C;i/.tic �? � k(t`uEe,�i} r1► .C
Please print clearly
Mailing Address:
� c on f64uu dad a copy of Minnesota Department of Health
restdent of fic on letter to in clos d c o Pauline Wuoti,Compliance Officer
1 envelope,within 10 des a cation hsps Community Public Water Supply Unit
campletod. � ,
Environmental Health Division
P.O.Box 64975
St.Paul,Minnesota 55164-0975
If you have any questions,please call 651/201-4674,or email pauline.wuoti@state.mn.us.
03/10
88
Resident/Homeowner Name July 26, 2016
Address
Elk River, MN 55330
Dear Resident/Homeowner Name,
Thank you for participating in the lead/copper tap monitoring that was recently conducted.
This letter is to report the lead/copper results at your residence.The reported results for your residence are_parts
per billion (ppb)for lead, and ppb for copper.
The 90th percentile lead and copper levels for our system are 2 ppb for lead, and 152 ppb for copper. The action level
for lead is 15.0 ppb with the maximum contaminant level goal(MCLG)set at zero.The action level and MCLG for
copper is 1300.0 ppb.The results indicate that we have not exceeded lead and have not exceeded copper.
The following definitions will be helpful with regard to the information provided above:
90th Percentile Level—This is the value obtained after disregarding 10 percent of the samples taken that had the
highest levels. (For example, in a situation in which 10 samples were taken,the 90th percentile level is determined by
disregarding the highest results,which represents 10 percent of the samples). In situations in which only 5 samples
are taken,the average of the two with the highest levels is taken to determine the 90th percentile level.
Action Level The concentration of a contaminant which, if exceeded,triggers treatment or other requirements
which a water system must follow.
Maximum Contaminant Level Goal(MCLG)—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.
For additional information on lead and copper in your drinking water, please refer to the enclosed fact sheet or go to
www.health.state.mn.us/water.
If you have any questions, please contact Eric Volk at 763.441.2020.
Sincerely,
Eric Volk,Water Superintendent
89
Let it run. and get the lead out!
Important information on how to protect your health
Lead is a common metal that has been in many consumer products but is now known to be harmful to human health
if ingested or inhaled. It can be found in lead-based paint,air,soil,household dust,food,some types of pottery,and
drinking water. When people come in contact with lead,it may enter their bodies and accumulate over time,resulting
in damage to the brain,nervous system,red blood cells,and kidneys.
The following is information about lead in drinking water:why it is a cause for concern,how it enters water,and most
importantly,simple precautions you can take to protect you and your family.
Why is lead in drinking
water a problem? How does lead get into my drinking water?
Drinking water is not our only source Lead is rarely found in natural sources Lead pipes are no longer installed for
of lead exposure. However, of water such as rivers and lakes or service lines or in household
combined with other sources,lead in underground aquifers. However, it plumbing, and lead solder has been
water can increase the build-up of may work its way into drinking water outlawed in Minnesota since 1985.
lead in our bodies. Lead in water can after the water has left the treatment The amount of lead allowed in brass
be a special problem for infants, plant and is on its way to people's faucets has also been limited,but can
whose diets may be mostly liquids, faucets. This usually happens through still contribute some lead to drinking
such as baby formulas or the corrosion of materials containing water (note that many faucets are
concentrated juices mixed with lead in household plumbing. These made of brass even if they do not have
water. Smaller bodies can absorb lead materials include brass faucets, lead a "brass" color). Even with these
more rapidly than bigger ones, so solder on copper pipes,lead pipes,or restrictions in place, some homes—
amounts of lead that won't hurt an lead service lines connecting the especially older homes—may still
adult can be very harmful to a child. water main to the inside plumbing. have significant amounts of lead in
A child's mental and physical growth their plumbing systems.
can be permanently harmed by too
much lead.
How can I reduce lead in my drinking water?
Let It Run. Flush taps before using water from them for drinking or cooking. Water that stands idle in pipes for long
periods of time—such as overnight or during the day when people are gone to work and school—is more likely to
absorb materials from the plumbing system. The best way to rid the pipes of water that may contain lead is to let the
cold-water faucet run until you feel that the water is as cold as it will get. The amount of time this takes will depend
on your home and how its plumbing is arranged—but you should always run the water for at least 60 seconds.If your
home has a lead service line(which you can determine by asking your local water utility),you should flush water for
an additional 2 to 3 minutes to make sure you are getting fresh water from the water main. Be sure to flush standing
water before using any water for drinking or cooking purposes.
Tips for flushing:
♦ Other household water uses will also help clear standing water from your home's plumbing.For example,you may
want to establish a routine of doing household tasks that use water—such as showering, flushing the toilet, or
running the dishwasher—first thing in the morning before using water for drinking or cooking.Keep in mind that
you'll still need to flush individual faucets for a short time before using them for drinking water.
6 The water you run from drinking water taps does not have to be wasted. You can use this water for cleaning
purposes or for watering plants.
é You may want to keep a container of drinking water in your refrigerator,so you don't have to run water every time
you need it.
Use Only Cold Water for Cooking and Drinking. Hot water dissolves lead more quickly than cold water, so don't
use water from your hot-water faucet for cooking or drinking. If you need hot water for cooking or drinking,take
water from the cold tap and heat it. It is especially important not to use the hot water for making baby formula.
90
Will water treatment i.' How can I get my water
devices help? Iwo tested for lead?
Some treatment devices can reduce the , Testing for lead can help determine if
amount of lead in your drinking water. ��� ;f l!i
there is too much in your drinking
Reverse-osmosis and distillation units " water.Many laboratories can test your
can be used for that purpose.Afewtypesqt4.-i-fl
`- water to see if there is a lead
of water filters also remove lead. Check �� problem. Fees will vary between labs.
the product literature to be sure it has �"'"�talk Check your Yellow Pages under
been certified for lead removal by NSF "Laboratories-Testing."
International(http://nsf.org). Also,you
ec must follow the manufacturer's .z' r, J
recommendations for operation and - !'"
maintenance to ensure that the treatment
equipment works correctly.
Let it run!
1..... Minnesota Department of Health Division of Environmental Health
N1
i H 625 North Robert Street P. 0.Box 64975 St.Paul,Minnesota 55164-0975
agnimmararahttp://wwwhealth.state.mn.us/divs/eh/water s s
141-0715
September 2007
91
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