2000 - Spring (PDF: 152KB)

Consumer Confidence Report Update
Worthington Wins Contest for Best CCR
How Will It Affect My Utility?
The first year of issuing Consumer Confidence Reports is
done, and things went extremely well in Minnesota. More
than 99 percent of the state’s 958 community water systems
produced and distributed a report as required. That
percentage is one of the highest—if not the highest—in the
United States. The few systems that did not produce and
distribute a report are facing violations; in addition, they will
be required to include data from both 1998 and 1999 with the
Consumer Confidence Report they issue in 2000.
The Minnesota Department of Health (MDH) has
developed a pair of new documents to help water systems.
One is a guidance booklet, containing important information
about the reports. This booklet is tailored to Minnesota
water systems and notes that these systems—unlike those
anywhere else in the country—will receive all the necessary
information for their reports from their primacy agency
(MDH). As a result, none of the Minnesota systems needs
to concern itself with the time-consuming, and often confusing, task of assembling the relevant monitoring information.
This message will be reinforced to small nonmunicipal
systems, many of whom have limited resources, in a
separate fact sheet. Many of these systems were fearful
that they would have to devote a great deal of money and/or
time to complete and distribute the reports. The fact sheet
will demonstrate to the small systems how easily and
inexpensively they can comply with the rule each year.
Starting in 2000, the deadline for distribution each year will
be July 1. In March, MDH will send a ready-to-go report to
all community water systems. This report contains nearly all
(and in most cases, all) of the necessary monitoring
information as well as the required standard language. At a
minimum, a water system will have to insert a phone number
of a contact person before copying and distributing the
report. Systems will once again be encouraged to go beyond
the minimum requirements and to reformat the information in
the report from MDH into a new document, enhancing it
with graphics and additional information.
Consumer Confidence Reports—Continued on page 5
Spring 2000
Volume Seven/4
Inside:
The Radon Rule
By Karla Peterson
As many as 400 utilities may be affected by the radon rule
proposed by the U. S. Environmental Protection Agency
(EPA). The Minnesota Department of Health recently
performed a survey to determine the occurrence of radon in
approximately 200 public water systems.
The
systems chosen to be surveyed provided a variety of
geological settings, system configurations, and geographical
distributions. The purpose of the survey was to identify from
a statewide perspective the levels of radon occurring in
public water systems. As a result of the survey, MDH
estimated that approximately one-third of the community water
systems in the state would exceed the proposed maximum
contaminant level (MCL) of 300 picoCuries per liter (pCi/l).
However, utilities in Minnesota may not be required to
comply with the 300 pCi/l MCL; if the state adopts an Indoor
Air Program, intended to reduce overall exposure to radon
gas, water systems will have a much less strict standard to
meet. Read on for more information.
Radon—Continued on page 6
Upcoming Certification
Exam Dates
March 9, St. Cloud
March 30, Rochester
April 7, Bloomington
April 20, New Ulm
May 12, Two Harbors
June 16, Deerwood
See calendar on back page
for more information
Training News
2000 Metro School Agenda
Lincoln-Pipestone Reverse-Osmosis Plant
Plan Review Enforcement
Lead and Copper Corrosion Control
Success Lies in Treatment Consistency
By Lih-in Rezania
Where Were We?
With the Long Term Enhanced Surface Water Treatment
(LT-ESWT) Rule, Arsenic Rule, Disinfectants/Disinfection
By-Product (D/DBP) Rule, and the Groundwater
Disinfection Rule rushing to be promulgated by the U. S.
Environmental Protection Agency (EPA), the 1991 Lead and
Copper Rules seems history to most Community Water
Supplies (CWSs), except for those that had exceeded the
lead/copper action level during the initial tap monitoring. A
total of 218 community water systems were required to
monitor for water quality parameters, evaluate treatment
options to minimize lead/copper corrosion, and ultimately
install a treatment due to an exceedance of the action level(s).
Eighty-seven systems that exceeded the lead action level were
also required to start a public education program for lead.
Since then, 134 CWSs have achieved corrosion control of
lead and/or copper by installing treatments using
phosphate or silicate-based corrosion inhibitors, or by raising
the finished-water pH.
As a result, the use of corrosion inhibitors—which are
effective for both lead and copper corrosion control—
became the predominant means of treatment for corrosion
control in Minnesota. Generally speaking, lead is easier to
treat than copper; the feed-rate required to bring the 90th
percentile below the action level is higher for copper than for
lead. The follow-up monitoring results show a success rate
of 80 percent for systems to regain compliance of the lead
action level, whereas for copper, only 60 percent of the
systems regained their compliance of the copper action level.
Corrosion Control Treatment Evaluation
The Lead and Copper Rule requires the states to conduct
treatment evaluations for all systems that have installed a
corrosion control treatment, and based on the evaluation, a
system can be deemed to either have or have not optimized
its corrosion control. Those deemed not to have optimized
their corrosion control treatment will undergo a tighter
scrutiny by the State and will be required to comply with
water quality parameter values specified by the State. Those
deemed to have optimal corrosion control treatment will
proceed to reduced annual monitoring and, if no exceedance
occurs, will proceed to triennial monitoring cycles. In 1999,
the Community Public Water Supply (CPWS) Unit of the
Minnesota Department of Health evaluated the corrosion control treatment of 36 medium- and two small-sized water systems. Twenty-four systems were deemed to have
optimized their treatment with five of them still slightly
exceeding the copper action level. Fourteen systems were
determined to need further treatment optimization, with the
majority of them still exceeding the action level(s). The
determinations were based on the reduction of the lead/
copper levels resulting from each system’s corrosion control
treatment, the overall consistency of treatment, and the pH
and/or orthophosphate residual levels maintained in the
water distribution system.
Two common treatment deficiencies—low residuals and
treatment inconsistency—were identified as the main
reasons for unsuccessful treatment. Low residual can be
fixed easily by increasing the feed rate and/or changing to a
formula that contains higher ratios of orthophosphate.
However, treatment inconsistency requires more than
increasing feed rates or changing to a different formulation;
it also requires a system’s commitment to corrosion control
treatment to correct the deficiency. Over the past years, the
CPWS Unit occasionally observes that utilities may
intentionally turn up, turn down, or turn off the feed pumps
based on whether there is a monitoring event taking place.
Where Are We Now?
By the time this article is published, all 218 CWSs should
have completed two rounds of the follow-up monitoring.
Results for 206 systems are currently available. Of these
206 systems, 61 systems still have an exceedance of the
action level(s): 8 for lead, 48 for copper, and five for both
lead and copper. The figure below compares the number of
lead/copper exceedances during the initial tap monitoring and
the follow-up monitoring. Among those 61 systems, 15 of
them took a nonchemical treatment approach, 42 used
phosphate-based inhibitors, three used silicate-based
inhibitors, and one used pH adjustment for corrosion control
treatment.
Number of Exceedances
Front row refers to initial monitoring,
back row to follow-up monitoring.
250
200
150
100
50
0
Lead
Pb
Copper Lead & Copper Total
Cu
Pb + Cu
Total#
Success Rate Is Higher with Lead than with Copper
Due to the nature of the groundwater in Minnesota,
community water supplies in Minnesota are having a harder
time treating copper problems than lead problems. Because
of high hardness and high alkalinity in most groundwater
supplies, the option to use pH adjustment to minimize
corrosion became technically and economically infeasible.
Small Systems Are Being Evaluated in 2000
Currently, MDH is evaluating the corrosion control
treatment of the small systems and is available to meet with
systems wishing to go over the details of the evaluation or
wanting feedback from the CPWS Unit regarding the progress
of their corrosion control treatment. To schedule an
appointment, please contact me at 651/215-0763.
2
Lincoln-Pipestone Tackles Nitrate with New Reverse-Osmosis Plant
“Good water is hard to find down here,” says Jay Stuefen,
representatives from the Minnesota Department of
the operator for the Holland Treatment Plant for LincolnAgriculture, Minnesota Pollution Control Agency, the Board
Pipestone Rural Water System (RWS) in southwestern
of Water and Soil Resources, and the Minnesota
Minnesota. “It’s the feeling of our board that, ‘It’s our
Department of Natural Resources, ultimately recommended
business to supply people who need it with good water.’”
a multi-pronged approach with strategies ranging from wellRural water systems were established
head protection to best managein the 1950s for exactly that purpose—to
ment practices, the latter involving the
supply good water to people who need it.
study of ways of reducing nitrogen appliThe first rural water systems appeared in
cation—which could in turn reduce nitrate
Minnesota in the 1970s with three in the
contamination resulting from crop producnorthwestern part of the state and three,
tion—without major yield reductions.
including Lincoln-Pipestone, in the
Meanwhile, Lincoln-Pipestone RWS
southwest corner, where water is an
worked with its engineer—DeWild Grant
often hard-to-find commodity.
Reckert and Associates Company of
Lincoln-Pipestone now provides water
Rock Rapids, Iowa—to explore treatment
to approximately 2,800 rural connections
options to reduce the nitrate levels.
and wholesale service to 26 communities.
Darin Schriever, a staff engineer with
The system covers about 2,600 square
DeWild Grant Reckert and Associates,
miles, extends 100 miles north to south
said they first looked at conventional ion
and 40 miles east to west, and
exchange with a salt brine for
encompasses all or portions of seven
regeneration, a process similar to the one
counties with three well fields located Each of the reverse-osmosis filter units successfully used by the nearby cities of
throughout the service area: the Holland allows for three passes and have a Ellsworth and Adrian to deal with nitrate
Water Source, approximately five miles projected recovery rate of 80 percent.
problems. However, Lincoln-Pipestone
west of the city of Holland in Pipestone County; the Verdi
had no place for the waste, which thus eliminated this method
Water Source, west of Verdi; and the Burr Water Source,
from consideration. They then studied a new technology, ion
west of Canby in Yellow Medicine County.
exchange with carbon dioxide regeneration, a process that
As is the case with other water systems in the area,
would have required pilot testing since the technology hadn’t
Lincoln-Pipestone RWS constantly faces challenges with
been fully proven in this area.
regard to both water supply and quality. To deal with the
Rather than move ahead with pilot testing of the ion
supply concern, Lincoln-Pipestone became a partner in the
exchange, the group turned to membrane processes and
Lewis & Clark Rural Water System Project, which will
considered both reverse-osmosis (R/O) and electrodialysis
divert water from the Missouri River at Vermillion, South
reversal. “We were going to bid both competitively,” said
Dakota, and deliver it to project members in South Dakota,
Schreiver, “but they would have required a different plant
Iowa, and Minnesota.
layout, so we would have needed different plant designs to
A quality issue that has plagued Lincoln-Pipestone in
accomplish that. In the end, we decided to go with R/O.”
recent years has been high levels of nitrate in some of the
Because of the different quality of water from the various
wells in the Holland well field, which has five wells that pump
wells in the Holland well field—with the high-nitrate wells
out of an unconfined sand and gravel aquifer. At the land
generally low in manganese and the low-nitrate wells high in
surface is an old stream channel, a trench carved into clay
manganese—it was decided to install two treatment trains in
and backfilled with sand and gravel. According to Bruce Olsen,
the new plant.
head of the Minnesota Department of Health Source Water
Water from the high-manganese wells is directed to three
Protection Unit, this is a common phenomenon in
12-foot diameter pressure filters with greensand media.
southwestern Minnesota. “It can yield lots of water, but it is
Total filter capacity is 1,020 gallons per minute (gpm). Povulnerable,” Olsen said of the aquifer.
tassium permanganate and chlorine are used for oxidation.
Water quality in the Holland well field varies considerably
Through a separate supply line, water from the highfrom well to well. Two of the wells have produced high
nitrate wells is directed to two 400-gpm reverse-osmosis units.
nitrate levels while the other three are high in manganese
(If necessary, the pressure filters can be used for iron and
(with one of the high-manganese wells also being a cause of
manganese pre-treatment of water before it enters the R/O
concern for nitrate). In the summer of 1997, Lincolnmembranes.)
Pipestone RWS exceeded the maximum contaminant level
Each of the R/O units allow for three passes of the
of 10 parts per million for nitrate, requiring corrective action.
water—through 8 membrane vessels in the first pass to 5
Lincoln-Pipestone entered into a compliance agreement
vessels to 3 vessels—with a projected recovery rate of 80
with MDH as both parties took steps to address the situation.
percent. Each vessel contains five membrane elements. The
MDH convened an interagency workgroup to go beyond
dual units allow for redundancy so that the reverse-osmosis
dealing with just the exceedance and to study the larger
treatment will not be interrupted if one of the units is out of
problem of nitrate nitrogen contamination in drinking water.
service because of maintenance or other reasons.
The group, chaired by Bruce Olsen and containing
Continued on page 7
3
Training News
2000 Metro School
The 2000 Metro Waterworks Operators’ School will be
held from Wednesday, April 5 to Friday, April 7 at the
Thunderbird Hotel in Bloomington. Participants will receive
16 credit hours for their attendance. Registration for the
school is $100 ($130 after March 24 or at the door).
The first afternoon will include hands-on training at offsite locations, including Hydrant Repair, Meters, and
SCADA. Space to these workshops will be limited, and
participants will be able to sign up on a first-come, first-served
basis during check-in on the first morning of the school.
A Competent Person training session will be held at the
Thunderbird on Thursday morning with the training
continuing at the Richfield Water Treatment Plant in the
afternoon. Space is also limited in this session. Participants
can reserve a spot in the training when they register. There
is an additional $30 fee to take part in the Competent Person
training. The additional fee must be submitted to be able to
reserve a spot in the class.
Those wishing to stay at the Thunderbird can make guest
room reservations by calling the hotel at 612/854-3411.
Wednesday, April 5
Thursday, April 6—Continued
12:45-4:00
Competent Person Training—Part II
Board bus for Richfield Water Plant
8:30-noon
• Motivational Speaker Kit Welchin
• Human Impact on Quality of Recharged Water in
Minnesota—Professor Calvin Alexander, University
of Minnesota
or
or
1:00-4:00
Personal Safety Awareness Session
• Exam Prep—Math
• • • • •
or
On-Site Hands-on Training
Participants will move from station-to-station
• Hydrants
• Plumbing/Backflow Prevention
• Valves
• Meters
• Pipe Selection
• Round Table Discussion
12:15-4:00 Hands-on Training at Off-Site Locations
• Hydrant Repair (50 people maximum)
• Gopher State One-Call (50)
• SCADA (25)
• Meters (40)
• Plant Expansion and Operations (80)
or
1:00-4:00
• Exam Prep—General Operations
Friday, April 7
Thursday, April 6
8:00
8:00-noon
General Session—Water Quality
• Boil Water Notices
• Shock Chlorination
• Surfactant Use in Shock Chlorination
• Radium Rules and Treatment
• Indoor Air Quality—Radon
• Arsenic Treatment
Breakfast
AWWA Membership Benefits—
Dave Schultz, Minnesota Section AWWA Chair
Featured Speaker—To Be Announced
9:15
Product Exposition with Mini-Sessions
1:00
A, B, C, D Certification Exams
or
Waterline
General Session—Water Sources
• Planning
• Finding Water
• Well Construction
• Pumps
or
Published quarterly by the Drinking Water Protection
Section of the Minnesota Department of Health
Editor: Stew Thornley
Staff: Dick Clark, Noel Hansen, Jeanette Boothe
To request this document in another format,
call 651/215-0700; TDD 651/215-0707 or toll-free
through the Minnesota Relay Service,
1/800/627-3529 (ask for 651/215-0700).
Competent Person Training—Part I (50 people maximum)
Note: There is an additional $30 fee for the Competent
Person Training. The fee covers both parts.
4
School News
The Southeast District School will take place from Tuesday, March 28 to Thursday, March 30 at the Best Western Apache
in Rochester. Registration is $75 ($90 at the door).
The Northeast District School will be back at the Superior Shores Resort and Conference Center in Two Harbors, from
Wednesday, May 10 through Friday, May 12. Registration for the school is $80 ($90 at the door or if postmarked after April
28). A block of guest rooms is being held at reduced rates until May 2. Call the Superior Shores Resort at 1/800/242-1988
and mention the American Water Works Association to get the special rate.
The Central District School will be at Ruttger’s Bay Lake Lodge outside Deerwood, from Wednesday, June 14 to Friday,
June 16. Registration is $45 for those staying at Ruttger’s and $75 for those staying elsewhere (with an additional $5 for
registrations at the door or postmarked after June 1). Ruttger’s has two-night room and meal packages for $268.22 based on
single occupancy and $199.22 for double occupancy. AWWA members in the Central, Northeast, Northwest, and Metro
districts will be receiving a lodging registration form in the mail. Others may obtain one by calling the Minnesota Section—
AWWA office at 651-290-7491.
The Southwest District will hold a one-day school in New Ulm on Thursday, April 20. For more information, contact Mark
Sweers at 507/389-2501.
Participants in three-day schools will receive 16 credit hours; participants in one-day schools will receive 6 credit hours.
(A registration form for all the Spring three-day schools is on page 7).
In other news, the Northwest District has set the dates and location for its 2000 school. It will be from Tuesday, November
28 through Thursday, November 30 at the Northland Inn in Crookston.
John Thom will be conducting an 11-week course on basic water operations in the Rochester area in April. Participants will
receive 30 credit hours. Contact John at 612/861-9168 for more information.
2000 Teleconferences
MDH Well Conference March 29
Taste and Odor: Basics and Beyond is the subject of the
American Water Works Association (AWWA) teleconference on Thursday, March 9, which will be held at the Earle
Brown Center in St. Paul and the University of North Dakota in Grand Forks. The teleconference is $60 ($80 after
March 1 or at the door) and includes lunch.
Registration begins at 10:30 with the program running from
11:00 to 2:30. Participants will receive 4 credit hours. See
the registration form on page 7.
(Another teleconference is scheduled for Thursday,
November 2, 2000. The topic has not yet been announced.)
The Well Management Section of the Minnesota
Department of Health will hold its annual conference at the
Thunderbird Hotel in Bloomington on Wednesday, March 29.
Participants will earn six continuing education credits to
apply toward renewal of full, limited, and monitoring well
contractor licenses and registration. Registration is $50. For
more information, contact Kim Benson-Johnson at
651/215-0816.
Arsenic Seminar
A seminar on Arsenic in Drinking Water will be held
from 8 a.m. to 4 p.m. on Monday, March 13 at St. John’s
University in Collegeville. Registration is $60 ($70 after
February 29 or at the door). Participants will receive 6 credit
hours. For more information, contact Karla Peterson at
651-215-0761.
CCRs—Continued from page 1
Many water systems did more elaborate reports in 1999,
and a contest was held to pick the best Consumer
Confidence Reports in the various Minnesota Section—
AWWA districts. The contest was sponsored by the section’s
Public Information Committee. A citizens’ panel did the
final judging on the reports, rating them on their appearance
and readability in addition to how well they helped citizens to
learn more about drinking water in general and the
individuals water systems in particular.
The top reports from each district were:
Waterworks Quiz
1. The component parts of a well include all of the
following except a:
a. sanitary seal.
b. well screen.
c. pressure switch.
d. cement grout.
Melrose (Central District)
Brooklyn Park (Metro District)
2. What is the pressure in pounds per square inch
at the bottom of a standpipe filled to a height of
47 feet?
a. 10.3
b. 20.3
c. 15.0
d. 108.5
Hibbing (Northeast District)
Moorhead (Northwest District)
Faribault (Southeast District)
3. A chlorinated water with the highest concentration of hypochlorous acid has a pH of:
a. 5.
b. 7.
c. 9.
d. 11.
Worthington (Southwest District)
Worthington’s report was also selected as the best in the
entire state. Each of the winners will receive a plaque from
the Minnesota Section of AWWA.
Answers on page 6
5
Plan Review
Enforcement
Does Your System Need Improvements?
By John Schnickel
Are there shortcomings with your water system? Is cost one of the reasons
improvements are not being made? Would a drinking water revolving fund (DWRF)
It has been brought to our attention loan help? Whether you make the decisions or not, you can make a difference in
that construction has been initiated on a upgrading your system.
From now until 4:30 p.m on May 26, 2000 the Minnesota Department of Health
number of water system projects before
plan approval has been granted from the will accept proposals for the DWRF project priority list. This is the first step
Minnesota Department of Health. This toward potential funding. City clerks and public community system owners will
is a violation of state rules, and effective soon receive letters telling them of this opportunity.
Now would be the time to present your system’s needs to your supervisor,
March 1, 2000 MDH will begin strict
department head, or policymaker. It is easy to submit a proposal for placing a
enforcement of this rule.
Minnesota Rules, paragraph project on the project priority list, and submitting a proposal puts no obligation on the
4720.0010 states, “No system of water system or community. If a submission is not made by May 26, however, it will be
supply or system for the on-site disposal another year before the next opportunity comes up.
In the last year and a half approximately $85 million of DWRF money have been
of sewage where such system is for
public use ors for the use of any obligated for water system projects in Minnesota. Others are benefitting. Shouldn’t
considerable number of persons, or in you?
If you have questions call your MDH district engineer or me at 651/215-0784.
case any such system affects or tends
to affect the public health in any
manner, shall be installed by any public
agency or by any person or corporation, Radon—Continued from page 1
nor shall any such existing system be
materially altered or extended, until What is radon?
lungs. As those particles break down,
Radon (Radon-222 or Rn) is a gas that they release small bursts of energy. This
complete plans and specifications for the
installation, alteration, or extension, has no color, odor, or taste and comes can damage lung tissue and increase
together with such information that the from the natural radioactive breakdown your chances of developing lung cancer.
commissioner of health may require, of Uranium-238 and Radium-226 Drinking water containing radon can
have been submitted in duplicate and (usually within the soil). But we’ve also cause cancer in internal organs,
approved by the commissioner of health found that some supplies can create primarily the stomach.
insofar as any features thereof affect or radon during treatment through the Proposed rule
tend to affect the public health, and no breakdown of radium that is retained on
The radon rule a complex one, since
construction shall take place except in filter media.
it addresses radon occurrence in both air
Exposure
accordance with the approved plans.”
and water. The EPA has proposed an
You can be exposed to radon from Alternative Maximum Contaminant
Failure to comply with the above
requirement may lead to administrative two primary sources: groundwater and Level (AMCL) in drinking water of 4,000
penalty orders, corrective orders, and/ air (both indoor and outdoor air). Most pCi/L for those states that adopt an
or fines up to $10,000 per violation. The of the radon in indoor air comes from Indoor Air Program. For those states
project owners will be responsible for soil underneath the home. Radon in soil that do not adopt an Indoor Air Program,
making sure that these requirements are seeps into the house and into the air. In an MCL of 300 pCi/L will be required.
met. Consultants involved with these addition, outdoor air contains background
More than likely, Minnesota will adopt
projects will be referred to the State levels of radon from soil gas. As for an Indoor Air Program, meaning that
Board of Architects, Engineers, Land radon in water, exposure occurs through your utility will need to meet the lessSurveying, Landscape Architecture, ingestion as well as through breathing stringent AMCL of 4000 pCi/L. It’s
Geoscience, and Interior Design for radon released from the water into the very possible that none of the
air when the water is running. It is community supplies will need to treat for
review.
estimated that exposure from radon in radon since we have yet to find a supply
Quiz Answers
groundwater causes approximately 168 in Minnesota that exceeds 4000 pCi/L.
from page 5
cancer deaths per year in the United What do I need to do?
States. Of these, it is estimated that 89
You may not be required to install
percent are from lung cancer (from treatment to remove radon, but you will
breathing radon released from the need to answer questions that your
water into the air) and 11 percent from customers may have. And those
stomach cancer (from ingestion).
questions won’t be limited to drinking
Health risks
water. If you have additional questions
Breathing radon is the second leading about radon or the proposed rule, please
cause of lung cancer (after smoking). contact me at 651/215-0761. If your
When you breathe radon, the questions regard radon in air, please
radioactive particles get trapped in your contact David Jones at 651/215-0886.
By Brian Noma
Minnesota Department of Health
1. c
2. b
3. c
Sloth is the mother
of invention.
—Garfield
6
Lincoln-Pipestone—Continued from page 3
The R/O treatment sequence consists of
At this point, the water is
a booster pump with variable frequency
blended with the water from the
drive sending the raw water from the wells
pressure filters and sent to the
through a one-micron cartridge filter to
ground storage reservoirs.
remove any particulates that could clog the
Lincoln-Pipestone RWS is only
R/O membranes. After an anti-scalant
the second community water
chemical is injected, the water goes to the
system in the state to use reversemain R/O pressure pump that allows the
osmosis. In 1998, the city of
elements to operate at a primary membrane
Madison—approximately 70 miles
pressure of 200 pounds per square inch.
north of Lincoln-Pipestone’s
Next is the reverse-osmosis treatment,
Holland Treatment Plant—
with side-entry pressure vessels and eightinstalled an R/O system to deal
inch diameter membrane elements. The
with sulfates, hardness, and iron
system was designed with an automatic Water with low nitrate levels goes through and manganese.
permeate flush, and caustic soda is added pressure filters to reduce manganese.
Construction on the Holland
to adjust the pH of the permeate after the water has made its
Treatment Plant began in April of 1999 with the reversepasses through the three sets of membrane elements.
osmosis system going on-line on Friday, October 29.
REGISTRATION FORM
You may combine multiple fees on one check if more than one person is attending a school; however, please make a copy
of this form for each person. Questions regarding certification, contact Cindy Cook at 651/215-0751. Questions regarding
registration, contact Jeanette Boothe at 651/215-0755.
AWWA Teleconference: Taste and Odor: Basics and Beyond, March 9, 2000, $60 ($80 after March 1 or at the door).
Check location you wish to attend:
____ Earle Brown Continuing Education Center, St. Paul.
____ Memorial Union Hall, University of North Dakota, Grand Forks.
Southeast School, March 28-30, 2000. Best Western Apache, Rochester. Fee: $75 ($90 at the door).
Metro School, April 5-7, 2000, Thunderbird Hotel, Bloomington. Fee: $100 ($130 after March 20 or at the door).
Check here if you want to attend the Competent Person Training (must include an additional $30).
Northeast School, May 10-12, 2000, Superior Shores Resort, Two Harbors. Fee: $80 ($90 after April 28 or at the door).
Central School, June 14-16 2000, Ruttger’s Bay Lodge, Deerwood. Fee: $45 if staying at Ruttger’s, $75 if not staying at
Ruttger’s (add $5 to the cost if paying at the door or if postmarked after June 1).
Check here if you would like to receive an exam application. (Applications must be submitted at least 15 days
prior to the exam.)
Check here if you would like to receive a study guide.
Please print:
Name
Address
City
Zip
Day Phone
Employer
Please enclose the appropriate fee. Make check payable to Minnesota Department of Health. Mail this form and
fee to Public Water Supply Unit, Minnesota Department of Health, 121 East Seventh Place, Suite 220, P. O. Box 64975, St.
Paul, Minnesota 55164-0975.
7
CALENDAR
Water Operator Training
Minnesota Section, American
Water Works Association
*March 28-30, Southeast Waterworks
Operators’ School, Best Western
Apache, Rochester, Contact Paul
Halvorson, 507/292-5193
*April 5-7, Metro Waterworks
Operators’ School, Thunderbird Hotel,
Bloomington, Contact Stew Thornley,
651/215-0771
*April 20, Southwest Waterworks
Operators’ School, New Ulm, Contact
Mark Sweers, 507/389-2501
*May 10-12, Northeast Waterworks
Operators’ School, Superior Shores
Resort, Two Harbors, Contact Stew
Thornley, 651/215-0771
*June 14-16, Central Waterworks
Operators’ School, Ruttger’s Bay Lodge,
Deerwood, Contact Dick Nagy,
320/587-5151
Minnesota Rural Water Association
Contact Kyle Kedrowski, 1/800/3676792
*March 7-9, Technical Conference,
St. Cloud
April 12, Operation & Maintenance,
Elbow Lake
April 26, Operation & Maintenance,
Pequot Lakes
Arsenic Seminar
March 13, St. John’s University,
Collegeville, Contact Karla Peterson,
651-215-0761
*Basic Water Operations
Contact John Thom, 612/861-9168
11-week course starting in the
Rochester area in April
AWWA Teleconference
March 9, Taste and Odor: Basics
and Beyond, St. Paul and Grand Forks,
Contact Stew Thornley, 651/215-0771
Minnesota Department of Health
Well Conference
March 29, Thunderbird Hotel,
Bloomington, Contact Kim BensonJohnson, 651/215-0816
Wastewater Training
Minnesota Pollution Control
Agency
Contact Emily Armistead, 651/296-7251
March 22-24, Annual Wastewater
Operators Conference, Thunderbird
Hotel, Bloomington
April 5-7, Land Application of
Biosolids—Basic, Holiday Inn, St. Cloud
April 11-13, Stabilization Pond
Seminar, Americinn, Marshall
April 25-27, Stabilization Pond
Seminar, Northern Inn, Bemidji
Minnesota Rural Water Association
Contact Pete McPherson, 1/800/3676792
March 7-9, Technical Conference, St.
Cloud
March 18, Wastewater Power &
Electric, Rochester
April 18, Collection System Operation
& Maintenance, Aurora
May 16, Construction Drawing &
Recordkeeping/On-site Septic Systems,
Graceville
May 23, Collection System Operation
& Maintenance, Frazee
*Schools/meetings marked with an asterisk include a water certification exam
To be eligible to take a certification exam,
applicants must have hands-on operations experience at a drinking water system.
Minnesota Department of Health
121 E. 7th Place Suite 220
P. O. Box 64975
St. Paul, Minnesota 55164-0975
ADDRESS SERVICE REQUESTED