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NATIONAL FLOOD INSURANCE PROGRAM OZAUKEE COUNTY, WISCONSIN DIGITAL FLOOD INSURANCE RATE MAP LOCAL OFFICIALS MEETING & FLOOD RISK INFORMATION OPEN HOUSE April 2006. Amanda Schwoegler – CTP Program Manager, WDNR Ken Hinterlong – Senior Civil Engineer, FEMA 101 S. Webster St. Box 7921

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NATIONAL FLOOD INSURANCE PROGRAMOZAUKEE COUNTY, WISCONSINDIGITAL FLOOD INSURANCE RATE MAP LOCAL OFFICIALS MEETING &FLOOD RISK INFORMATION OPEN HOUSEApril 2006

welcome introduction
Amanda Schwoegler – CTP Program Manager, WDNR

Ken Hinterlong – Senior Civil Engineer, FEMA

101 S. Webster St.

Box 7921

Madison, Wisconsin 53707-7921

(608) 267-7571 amanda.schwoegler@dnr.state.wi.us

(312) 408-5529 ken.hinterlong@dhs.gov

(312) 408-5551, fax, for Eric Kuklewski

Welcome & Introduction
introductions
WDNR

Amanda Schwoegler

Bob Watson, P.E.

Rich Gleason

Gary Heinrichs

Miriam Anderson

Andy Selk

Brent Binder, P.E..

Kathy Kramasz

Sharon Gayan

SEWRPC

Mike Hahn, P.E.

FEMA

Ken Hinterlong, P.E.

Eric Kuklewski

Ozaukee County

Andrew Struck, Asst. Director and Planner

Damon Anderson, Land Information Officer

Andy Hoelschbach, Planning Director

Wisconsin Emergency Management

Roxanne Gray

Introductions
meeting agenda
Map scope and methodology (Amanda & Rich)

Appeals process and timeframes (Ken)

SOMA & Adoption of Maps (Eric)

Status of Ozaukee County ordinance updates (Gary)

Meeting Agenda
nfip goals
Reduce the loss of life and property caused by flooding

Reduce rising disaster relief costs caused by flooding

The short range goal is to provide flood insurance and the long range goal is encourage wise use of the floodplain

NFIP Goals
accomplishing nfip goals
Publish maps - identify risk

Educate the public on their own risk

Provide federally-backed flood insurance coverage

Encourage development away from the flooding risks

Accomplishing NFIP Goals
map modernization
Flood Maps support the National Flood Insurance Program

5-Year Congressionally mandated program to modernize FEMA’s inventory of flood maps

Every community will be identified and mapped

Ozaukee County selected in 2003 for DFIRM production, one of the first maps to be produced countywide in this GIS format in Wisconsin

Map Modernization
background
Scoping Meeting

December 18, 2003

Map Production

Local Officials Coordination Meeting

October 26, 2005

Preliminary Maps finalized and distributed

February 3, 2006

Flood Risk Information Open House

Local Officials

Public

Background
local contributors
Ozaukee County:

2’ Contours, Structure Surveys through the Wisconsin Land Information Association (WLIA) Strategic Grant, Planimetrics/Parcel Database, Hydrologic/Hydraulic Modeling

SEWRPC:

Hydrologic/Hydraulic Modeling, Structure Surveys, Coordination with Communities

Villages of Grafton and Theinsville, City of Mequon:

Hydrologic/Hydraulic Modeling, Structure Surveys

Local Contributors
types of studies mapping
Detailed Study

Multiple hydrology methods

Floodplain characteristics determined by in-field visits, detailed topography, and recent land-use

Structure elevation surveyed/tied to mean sea level (NGVD29)

Floodplain results compared to known high water marks and/or flooding accounts where available

10-, 50-, 100-, and 500-year flood profiles modeled

Models and Flood characteristics detailed in Flood Insurance Study for use by communities and constituents

Mapped as AE or VE Zone

Types of Studies/Mapping
types of studies mapping11
Limited Detail Study:

Multiple hydrology methods

Floodplain characteristics determined by in-field visits, detailed topography, and recent land-use

Structure elevation information not tied to mean sea level (NGVD29).

Elevations are not valid for zoning purposes.

Mapped as A or V Zones.

Types of Studies/Mapping
types of studies mapping12
Re-delineation:

Two types:

Map existing detailed study model elevations on 2 foot contour topography using automated mapping techniques.

Mapped as AE or VE Zones.

Estimating the intended mapping elevation based on the assumed basemap (USGS 7.5” Quadrangle maps). The intended mapping elevation is then re-delineated on 2 foot contour topography using automated mapping techniques.

Mapped as A or V Zones.

Types of Studies/Mapping
for ozaukee county we generated
New/Revised Detailed Studies:

Canyon Creek

Cedar Creek

Fredonia Creek

Milwaukee River

Mineral Springs

Mole Creek

North Branch Milwaukee River

Pigeon Creek

For Ozaukee County we generated:
  • Sauk Creek
  • Ulao Creek
  • UT1 to the Belgium-Holland Drainage Ditch
  • UT1 to the Milwaukee River
  • UT1 to Ulao Creek
  • UT to UT1 Ulao Creek
  • UT2 to Pigeon Creek
  • UT3 to the Milwaukee River
for ozaukee county we generated14
Belgium-Holland Drainge Ditch, UT2 and UT3 to the Belgium-Holland Drainage Ditch

Cedarburg Creek

Lac du Cours Tributary

Mud Lake Creek

Ozaukee County UT1 and UT2 to the Menomonee River

Riveredge Creek

Sandhill Creek

Silver Creek

Sucker Creek

UT1 and UT to UT2 to Pigeon Creek

UT1 to Cedar Creek

For Ozaukee County we generated:

Limited Detail Studies:

  • UT1 and UT2 to Little Menomonee Creek
  • UT1 to the Little Menomonee River
  • UT1, UT2, UT3, and UT4 to Mole Creek
  • UT1 to Nor-x-way
  • UT1, UT2, and UT3 to Sauk Creek
  • UT4 to the North Branch of the Milwaukee River
  • UT5, UT6, UT7, UT8, UT9 to the Milwaukee River
project tasks
Reconnaissance

Basemap Preparation

New Studies

Leverage Studies

Redelineation

DFIRM and FIS Production

Project Tasks

Entering this Phase

what s next
Communities sent copies of Preliminary Map, and/or sent location to view on the Web (February 2006)

WDNR and partners hold a meeting with the community and public (Today)

FEMA issues proposed BFEs to CEO of community and publishes proposed BFEs in local newspaper and Federal Register (Anticipate early June 2006)

Appeals period opens (Anticipate mid June 2006)

What’s Next?
work remaining
Work remaining
  • Receive recommendations from “new BFE” communities on a general circulation newspaper
  • Start concurrent 90-day appeal/comment period
  • Resolve appeals and comments
  • Issue Letter of Final Determination (LFD) of BFEs where appropriate
  • Notify all communities of start of six-month adoption process and plan release of effective maps
appeals vs comments
APPEALS

Errors in data used for new BFEs

Concerns for methodology in BFE or floodway computations

COMMENTS

Errors in street names

Omissions of streets, highways, railroads, etc

Interest in using better topographic data for floodplain delineation

Appeals vs. Comments
ninety day appeal comment period
The community, or individuals through the community contact, may appeal the proposed flood elevations.

The only basis for an appeal of the FIRM is possession of knowledge or information that shows the flood hazard determinations are scientifically or technically incorrect.

Protests can be filled to correct errors which do not change the BFE.

Ninety Day Appeal/ Comment Period
appeals period
90-day appeal period

Communities gather & submit appeal/protests to WDNR

WDNR resolves all appeals or protests, if received.

Appeals are technically-based comment to new or revised BFEs

Upon resolution of appeals/protest, Letter of Final Determination (LFD) issued to communities indicating final BFEs and date their new map will go into effect

Property owners can continue to work through FEMA’s Letter of Map of Amendment (LOMA) process independent of the appeals process.

Appeals Period
submit appeals and comments to
1. The Point of Contact (POC) for your Municipality

(To be determined today, please fill out the form.)

2. Andrew Struck, Oz Assistant Director and Planner

121 West Main Street; P. O. Box 994

Port Washington, WI 53074

3. WDNR

Submit Appeals and Comments To:
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A Summary of Map Actions (SOMA) is prepared to assist a community in maintaining the Flood Insurance Rate Map (FIRM).

A SOMA will document previous Letters of Map Change (LOMC) actions (i.e., Letters of Map Amendment (LOMAs), Letter of Map Revision based on fill (LOMR-F), Letters of Map Revision (LOMRs)) that will be superseded when the revised FIRM panels become effective.

What is a SOMA?

slide23
Category 1: LOMCs for which results have been incorporated in the revised FIRM panels.

Category 2: LOMCs for which results could not be shown on the revised FIRM panels because of scale limitations or because the LOMC issued had determined that the lots or structures involved were outside the Special Flood Hazard Area (SFHA) as shown on the FIRM.

Category 3: LOMCs for which results have not been included on the revised FIRM panels because the flood hazard information on which the original determinations were based is being superseded by new flood hazard information.

Category 4: LOMCs issued for multiple lots or structures where the determination for one or more of the lots or structures cannot be revalidated through an administrative process like the LOMCs in Category 2 above.

What is a SOMA?

slide24
If the Lowest Adjacent Grade (LAG) or Low Lot Elevation (LLE) is still higher then the Base Flood Elevation (BFE) then classify the case as a Category 2.

If the LAG/LLE has been superseded by a higher BFE then classify the case as a Category 3.

If the LAG/LLE cannot be found and the BFEs have changed or if no address is given, then supersede the case and classify as Category 3.

Categorizing LOMCs

slide25
If the LOMA/LOMR-F was issued for multiple lots or structures where the determination for one or more of the lots or structures has changed, then the LOMA/LOMR-F cannot be revalidated through this process. These LOMCs would be reevaluated and classified as Category 4.

If the LOMC revises a large portion of the map, (generally LOMRs) retrieve the case file and determine whether or not the area of revision was reflected on the Preliminary copies of the revised FIRM panels. If the revisions have been incorporated onto the Preliminary FIRM, then classify the case as a Category 1.

Categorizing LOMCs

map adoption
Gary Heinrichs

Floodplain Planner

Wisconsin Department of Natural Resources

101 S. Webster St

Madison, WI 53707

608-266-3093

gary.heinrichs@dnr.state.wi.us

Map Adoption
communities affected by this study
Belgium, Village of

Cedarburg, City of

Fredonia, Village of

Grafton, Village of

Mequon, City of

Ozaukee County (Unincorporated Areas)

Port Washington, City of

Saukville, Village of

Thiensville, Village of

Communities affected by this study:
public meeting and outreach
Public Open House tonight 4pm – 8pm

Local Officials welcome, please see me if you will be here

If public has questions:

Refer them to FEMA or WDNR

Pass along information received today

Common homeowner questions and issues

Flood Insurance purchase – misconceptions and when it is required

Grandfathering

Revalidation of LOMAs and LOMR-Fs

Public Meeting and Outreach
break out session
Individual Questions

Maps

NFIP

Map Adoption

Mitigation

Break Out Session