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AGENDA
REGULAR WATER BOARD MEETING
Monday, March 23, 2015
7:00 PM
Council Conference Room 169
430 Third Street • Farmington, MN 55024
1) Call to Order
2) Approve Agenda
3) Approve Minutes — February 23, 2015
4) Water Citation Appeals - None
5) Continued Business
a) Wellhead Protection Plan RFP
6) New Business
a) 2015 Water Enforcement Position
7) Approve Bills — Finance
8) Open Forum
9) Adjourn
City of Farmington
430 Third Street
Farmington, Minnesota
651.280.6800 • Fax 651.280.6899
www.cifarmington.mn.us
TO: Mayor, Councilmembers, Water Board Members, City Administrator
FROM: Kevin Schorzman, City Engineer
SUBJECT: Wellhead Protection Plan Update
DATE: March 23, 2015
INTRODUCTIONIDISCUSSION
At the February 23, 2015 meeting the board discussed the required update to the city's wellhead
protection plan update. Staff met with representatives from the Minnesota Department of Health
(MDH) on February 26, 2015, to discuss the required updates to the plan. There are two parts to
our wellhead protection plan and both need to be updated. Part one deals with the actual
delineation of the wellhead protection area, the drinking water supply management area, and the
vulnerability assessment related to each well. Part two deals with the actual plan of how we are
going to protect the water supply based on the information in part one. The deadline for
updating both parts is November 4, 2016. The MDH recommends that half or more of the
update time be spent on part two of the plan since it is the actual actions that will be taken to
protect the drinking water.
Since the plan deals with underground geology and hydraulics, and current city staff does not
have expertise or the professional licensure required in these areas, staff is recommending that
the board authorize the distribution of requests for proposals to complete the update of the city's
wellhead protection plan.
BUDGET IMPACT
The cost of the update will be known once proposals have been received.
ACTION REQUESTED
Authorize solicitation for proposals to complete the wellhead protection plan update.
Respectfully Submitted,
Kevin Schorzman
City Engineer
Request for Proposal (RFP)
Wellhead Protection Plan Update
City of Farmington, Minnesota
Introduction
The City of Farmington, Minnesota requests proposals from qualified consulting firms to provide
expertise related to wellhead protection activities. To be qualified, the person who is responsible for
managing the work identified in this RFP must be licensed by the State of Minnesota under provisions
of Minnesota. Statutes 326.02, pertaining to work conducted by a geoscientist. This expertise will be
directed towards assisting the City of Farmington in fulfilling the requirements of Minnesota Rules,
parts 4720.5100 to 4720.5590, with respect to conducting wellhead protection area delineations,
completing vulnerability assessments, and meeting associated reporting requirements. The result of
this RFP will be a contract for technical services as described below.
Purpose /Anticipated Results
The objectives of the work activities are to complete the wellhead protection area (WHPA) and
drinking water supply management area (DWSMA) delineations, an assessment of well and DWSMA
vulnerability, and associated reporting requirements in order to meet the wellhead protection rule
requirements (MR, parts 4720.5100 to 4720.5590) for wellhead protection.
Work Tasks
1.0. Assemble and Assess the Necessary Data Elements
The data elements required for WHPA delineation and associated vulnerability assessments are
identified during the first scoping meeting conducted between representatives of the City of
Farmington and the Minnesota Department of Health. The elements were presented to the City of
Farmington by MDH through written notice of the scoping meeting (with the attached scoping decision
notice) and are presented in Addendum 1 of this request for proposal.
2.0. Delineate Wellhead Protection Area (WHPA)
2.1. Method Scoping
Assess available geologic and hydrogeologic data to determine the level of effort required to meet
the wellhead rules for WHPA delineation. The Minnesota wellhead rule (MR 4720.5510) requires
that the following criteria be evaluated and considered as part of the method used to make the
delineation:
• time of travel
• flow boundaries
• daily volume of water pumped
• groundwater flow field
• aquifer transmissivity
1
CONTRACTORS should use data assembled to meet the requirements of the scoping decision
notice in Addendum I to evaluate these criteria. This evaluation will help to define the conceptual
model for the aquifer(s) used by the City of Farmington's well(s) and will serve to guide the
WIIPA delineation efforts. A preliminary review of these criteria was performed at the time of the
first scoping meeting with the Minnesota Department of Health hydrologist. The scoping decision
notice and cover letter (attached) define how these criteria must be addressed. For the purpose of
responding to this RFP, the City of Farmington staff, in consultation with the Minnesota
Department of Health, have identified that the delineation method must address the following
items:
• multiple pumping wells and their pumping effects on the capture zones of other
wells;
• changes in the base elevation of the aquifer(s) used by the City of Farmington wells;
• inhomogeneities resulting from changes in geological conditions;
• variable rates of recharge to the aquifer(s) used by the City of Farmington wells;
• influence of local surface water features on the groundwater flow field; and
• other items that may be included in the Scoping 1 letter.
2.2 Aquifer Test Plan
An aquifer test plan must be prepared and submitted for approval to MDH prior to or at the pre -
delineation meeting. One form must be submitted for each aquifer used by the City of Farmington.
The consultant shall assess existing aquifer test or specific capacity information and propose
representative values of transmissivity and hydraulic conductivity.
If existing data are inadequate to determine transmissivity or it is otherwise believed to be
advantageous, the consultant, City of Farmington and MDH should discuss the prospect of
conducting an aquifer test. If an aquifer test is determined to be necessary, this will be a separate
work item not included in the cost estimate of the overall RFP.
2.3 Pre - Delineation Meeting
After completing all tasks under Sections 2.1 and 2.2, the CONTRACTOR shall meet with staff
from the City of Farmington and MDH to discuss the delineation criteria, the conceptual model,
and the WIIPA delineation method.
2.4 Delineation of the WHPA
Using the method identified in the previous subtasks, delineate the WHPA for each of the
following City of Farmington wells:
200932 (Well 1), 200934 (Well 2 — emergency use only), 201154 (Well 3), 235586 (Well 4),
603051 (Well 5), 626785 (Well 6), 655902 (Well 7), 731123 (We]1 8)
A time -of- travel of one and ten years will be used to define the emergency response area (ERA)
and WHPA boundaries for each well listed. All of these time -of- travel zones must be shown on
maps in the project deliverables. When a ground water flow model is used, these delineations must
2
be delivered in such a way that a minimum of 20 streamline traces are defined (using x, y, z, time,
line id, and well unique number data attributes) in an ASCII or an ARCGIS compatible electronic
file- format. Geographic coordinates for the City of Farmington wells listed above must be those
provided by the MDH.
2.4.1 Conjunctive Delineation
When existing data and conceptual models support a conjunctive delineation, then the
designated WHPAs for the City of Farmington's wells must include the surface watershed
boundaries used for that component of the delineation.
2.4.2 Fracture Flow Delineation
When existing data and conceptual models support a fracture flow component to the
delineation, then the designated WHPAs for the City of Farmington's wells must include all
calculations used for the delineation as well as any structural information (lineament or
fracture /fault orientations) used to extrapolate the calculated radii.
2.5 Delineate the Drinking Water Supply Management Area (DWSMA)
Using the boundary definitions contained in the wellhead protection rules (MR 4720.5100,
subp.13) delineate the DWSMA.
3.0 Conduct Vulnerability Assessments
The vulnerability assessments must be completed in accordance with the wellhead protection rules
(MR 4720.5210) for each of the City of Farmington's wells and for the DWSMA delineated for the
City of Farmington. If the DWSMA reflects contributions from more than one aquifer, then the
vulnerability of each aquifer must be assessed independently.
• The well vulnerability assessment conducted by MDH should be used as a starting point and
must be reviewed in light of other data collected for the WHPA delineation to determine
whether it should be revised.
• The DWSMA vulnerability assessment must be based on the geologic data collected for the
WHPA delineation and groundwater chemistry data collected to satisfy the requirements of the
scoping decision prepared by MDH.
4.0. Part 1 WHP Plan and Deliverables
4.1. Draft Report
A draft report will be prepared and submitted to MDH to satisfy the wellhead protection reporting
requirements for WHPA delineations and vulnerability assessments. A key objective of the report
is to provide sufficient documentation to meet wellhead protection rule requirements for MDH
review and approval (MR 4720.5330) for the WHPA delineation and vulnerability assessments.
4.1.1. The report will describe how the data elements listed in the scoping notice prepared
by MDH were addressed in conducting the delineations and assessments, and the technical
approach used to make the analysis of each specified data element. Accordingly, the report
must describe, for each of the wells, the following details: 1) the hydrogeologic setting used
to characterize the aquifer, 2) the five delineation criteria, 3) the delineation method used, 4)
the delineation results, 5) data collected and used other than those provided by MDH, and 6)
3
a copy of the calculations performed (when a computer model is used, the electronic data
input and solution files).
Documentation of the vulnerability of the DWSMA must:
• identify the method used;
• describe the geologic conditions throughout the DWSMA, from the land surface to
the base of the aquifer and adjacent geologic materials;
• contain the data elements collected and used; and
• contain the maps, diagrams, reports, studies, and tables used to prepare the
DWSMA vulnerability assessment.
4.1.2. Model Input Files
The model input files used for the WHPA delineation, including any sensitivity or
uncertainty runs used to create a composite WHPA, must be submitted to MDH for review,
as well as any related calibration results or plots. A description of the different modeling
scenarios must also be presented
4.1.3. Supporting Data Files
Project - specific data files that define aquifer geometry /hydraulic characteristics and from
which model input files are created must be submitted electronically. CONTRACTOR must
use ARCGIS formats using UTM, Zone 15, north - meters (NAD 83 Datum). A complete
list of the required geographic data sets is included in Addendum II.
4.1.4. Draft report submittal
A PDF copy of the draft report must be submitted to the City of Farmington and MDH
hydrologist for informal review and comment. Comments generated from this review
should be addressed in the final report.
4.2. Final Report
The draft report will be updated to respond to comments made by the City of Farmington and
MDH staff. A PDF copy of the final report must be submitted to the City of Farmington and
MDH hydrologist for final review, and 5 paper copies of the final report will be required for the
City of Farmington.
4.2.1. Final Model Input Files submittal
Any model input or calibration files that changed (see 4.1.2 for a description of these) as a
result of comments made during the draft report review must be resubmitted.
4.2.2. Final Supporting Data Files submittal
Any supporting geographic data files that changed (see 4.1.3 for a description of these) as a
result of comments made during the draft report review must be resubmitted.
5.0. Meetings
During the course of this project a series of formal and informal meetings are expected (assume 4
meetings @ 2 hours each). These may include meetings with the City of Farmington and /or MDH.
4
6.0. Schedule
All project activities must be completed within 180 days after the contract is signed.
This request for proposal does not obligate the City of Farmington to complete the project, and the City
of Farmington reserves the right to cancel the solicitation if it is considered to be in its best interest.
Prospective responders who have any questions regarding this request for proposal may call or write:
Kevin Schorzman
City of Farmington, Minnesota
430 Third Street
Farmington, MN 55024
Telephone:. (651) 280 -6841
E -mail: kschorzman@ci.farmington.mn.us
Other City of Farmington personnel are NOT allowed to discuss the request for proposal with anyone,
including responders, before the proposal submission deadline.
All proposals must be sent to the following address:
Kevin Schorzman
City of Farmington
430 Third Street
Farmington, MN 55024
All proposals must be received no later than April 20, 2015.
Late proposals will not be considered.
Submit three copies of the proposal in a sealed mailing envelope, or package, with the responder's
name and address written on the outside. Each copy of the proposal must be signed in ink by an
authorized member of the firm. Submission by telephone facsimile is not acceptable. Prices and terms
of the proposal as stated must be valid for the length of any resulting contract. The project must be
completed within 180 days from the date that the contract officially begins.
5
ii
All proposals will be evaluated on the basis of content. The following are considered minimum
contents for the proposal:
1. A restatement of the objectives, goals, and tasks to show or demonstrate the responder's view
and understanding of the nature of the project.
2. Identification and description of the deliverables to be provided by the responder.
3. An outline of the responder's background and experience, with particular emphasis on the
skills and expertise necessary (e.g., geologic mapping, computer modeling, etc.) for
conducting WHPA delineations in accordance with MDH rules. Note that professional
licensure (P.G. or P.E. with sufficient geologic experience) is required for performing WHPA
delineations in Minnesota. The proposal should identify the personnel that will work on the
project along with details on training, work experience, proposed role in the project, and
hourly rates. No change in personnel assigned to the project will be permitted without prior
approval of the City of Farmington. The work described in this RFP must be performed by
either a geoscientist or engineer who is licensed by the State of Minnesota. Past experience
conducting the work activities described herein, or in conducting equivalent work activities,
must be included in the qualifications section of the proposal.
4. A detailed cost estimate and work plan that will identify the major tasks to be accomplished
and who will do them. This work plan will be used as a scheduling and managing tool, as well
as the basis for invoicing.
All proposals received by the deadline will be evaluated by representatives of the City of Farmington.
The following criteria will be used in evaluating the proposals:
1. Expressed understanding of proposal objectives (20 percent)
2. Work plan (30 percent)
3. Cost detail (20 percent)
4. Qualifications /experience of company (15 percent)
5. Qualifications /experience of personnel working on the project (15 percent)
City of Farmington staff expects to evaluate all proposals and select a consultant by April 28, 2015.
6
Addendum I
Scoping 1 Letter and Decision Notice
7
Addendum II
List of Required GIS Files
8
City of Farmington
430 Third Street
Farmington, Minnesota
651.280.6800 • Fax 651.280.6899
www.ci.farmington.mn.us
TO: Water Board Members
FROM: Kevin Schorzman, City Engineer
SUBJECT: 2015 Water Patrol Position
DATE: March 23, 2015
INTRODUCTION/DISCUSSION
Annually, the Water Board has hired someone to conduct water patrol operations during the
watering season. The position is responsible for checking compliance with the city's watering
restrictions and documenting violations. The schedule is flexible and somewhat random to
ensure compliance during different days and different hours of the day. The position typically
works from 16 to 20 hours per week.
The fact that the city actively enforces watering restrictions has numerous benefits. First, it
demonstrates the city's commitment to water conservation to state agencies that control how
much water we are allowed to pump each year. It also helps with compliance which helps to
avoid large drawdowns in the tower which can affect pressure and emergency water supply. In
addition it also helps maintain a sustainable water supply for not only Farmington, but the entire
south metro area. Staff recommends that the board continue the water patrol in 2015.
BUDGET IMPACT
Last year, the rate of pay was $12 /hour, and funding for this position was included in the 2015
Water Utility budget.
ACTION REQUESTED
By motion, approve the recruitment for the 2015 Water Patrol position at an advertised rate of
$12 per hour.
Respectfully Submitted,
Kevin Schorzman
City Engineer
3/1912015 8:25:50
CITY OF FARMINGTON
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