Post on 13-Aug-2020
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
1
Oak Creek
Watershed Restoration Plan
Stakeholder Kickoff Meeting
April 12, 2016#231117
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Speakers
2
Michael Hahn, P.E., P.H. – Deputy Director
Joseph Boxhorn, Ph.D. – Senior Planner
Laura Kletti, P.E., CFM – Chief Environmental Engineer
Thomas Slawski, Ph.D. – Chief Biologist
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
3
Scope of the Plan
• Background
• Focus Areas
−Water Quality
−Recreational Access and Use
−Targeted Stormwater Drainage and Flooding Issues
− South Milwaukee Mill Dam
−Habitat Conditions
Next Steps / Questions
Questionnaire
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
4
Scope of the Plan
• Background
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Background
5
Civil Divisions in
the 28 mi2
Watershed
3 year study
Build on 2007
Regional Water
Quality
Management Plan
Update (SEWRPC)
Planned 2050 Land
Use
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
6
Scope of the Plan
• Background
• Focus Areas
−Water Quality
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Water Quality
7
Major Streams within
the Watershed
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Water Quality
8
Existing Land Use
within the
Watershed
Predominantly
Urban by 2050
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Water Quality
9
Constituents of
Concern
• Phosphorus
• Chlorides
• Fecal indicator
bacteria
• Sediment
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Water Quality
10
Examples of Management Strategies for
Water Quality Improvement
• Road Salt Reduction
• Stormwater Management Measures
• Green Infrastructure
WDNR – bioretentionMinneapolis Star-Tribune
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
11
Scope of the Plan
• Background
• Focus Areas
−Water Quality
−Recreational Access and Use
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Recreational Access and Use
12
Surface Waters and Riparian Areas
• Current level of Recreational Use
• Potential level of Recreational Use
• Health of Fishery
• Corridor Issues
• Safe for Human Contact
DS of Dam
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Recreational Access and Use
13
Examples of Management
Strategies for Recreational
Access and Use
• Expand Access to Streams
• Improve Water Quality
• Improve Habitat
• Improve Safety
• Improve Connectivity to
Corridor
• Mill Pond Opportunities NB - Puetz Rd
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
14
Scope of the Plan
• Background
• Focus Areas
−Water Quality
−Recreational Access and Use
−Targeted Stormwater Drainage and Flooding Issues
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Stormwater Drainage and Flooding
15
Targeted Issues
• MMSD Jurisdiction for
Flood Mitigation
• Southwestern part of
Cudahy at UP Railroad and
College Avenue
• Mainstem of Oak Creek in
South Milwaukee at High
School Athletic Fields
• Work with Municipalities
on limited additional
locations of concern
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
16
Scope of the Plan
• Background
• Focus Areas
−Water Quality
−Recreational Access and Use
−Targeted Stormwater Drainage and Flooding Issues
− South Milwaukee Mill Dam
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
South Milwaukee Mill Dam
17
Example Range of
Alternatives for Mill
Dam
• Maintain Dam and
Restore Mill Pond
• Maintain Dam,
Restore Mill Pond,
and Provide Fish
Passage
• Remove Dam and
Restore Free Flowing
StreamAECOM
4/9/2016
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
18
Scope of the Plan
• Background
• Focus Areas
−Water Quality
−Recreational Access and Use
−Targeted Stormwater Drainage and Flooding Issues
− South Milwaukee Mill Dam
−Habitat Conditions
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Habitat Conditions
19
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Habitat Conditions
20
Aquatic Habitat Issues
• Fragmentation
• Channelization
• Erosion
Mainstem - 20th St
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Habitat Conditions: 1850
21Source: Matt Magruder, MMSD
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Habitat Conditions
22
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Habitat Conditions
23
“Resistance” is the
ability of a system to remain
unchanged in the face of external
forces.
“Resilience” is the ability of a system
to recover from disturbance.
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Fishery Quality
24
Source: Brian J. Torreano,
newsletter@btdarters.com
Iowa darter
Johnny darter
Rock Bass
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Fishery Quality
25
Source: Brian J. Torreano,
newsletter@btdarters.com
Common types of adaptation strategies Include:
• Expansion of reserve systems,
• Increasing landscape connectivity and corridors
among occupied habitat patches,
• Restoring degraded habitats, and
• Removing other threats and stressors such as
invasive species
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Habitat Conditions
26
Physical Data - Survey
• Stream Geometry Characteristics
• Bank Erosion
• Habitat Features
• Riparian Vegetation
• Trash
• Debris Jams
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Trash in Channel
Woody Debris Jams
Habitat Conditions
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Water Quality / Temperature Monitoring
Fish Passage Assessments
Habitat Conditions
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Natural Areas Assessment
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Protect the integrity of the existing landscape & identify opportunities to improve water quality and habitat
Prioritization Scheme
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Habitat Conditions
31
Examples of Management
Strategies for Improving
Habitat Conditions
• Riparian Buffers
• Address Invasive Species
• Identify High Quality
Habitat Areas
USDA NRCS Ohio Office
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
32
Scope of the Plan
• Background
• Focus Areas
−Water Quality
−Recreational Access and Use
−Targeted Stormwater Drainage and Flooding Issues
− South Milwaukee Mill Dam
−Habitat Conditions
Next Steps / Questions
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Next Steps
33
Field work to begin Summer 2016
Stakeholder meeting to document problem areas and
opportunities for improvement Summer 2016
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Next Steps
34
Communication
• SEWRPC website for documents and comments
http://www.sewrpc.org/SEWRPC/Environment/Restoration-
Plan-Oak-Creek-Watershed.htm
Contacts
• Laura Kletti – Chief Environmental Engineer
lkletti@sewrpc.org
• Tom Slawski – Chief Biologist tslawski@sewrpc.org
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Questions?
35
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Agenda
36
Scope of the Plan
• Background
• Focus Areas
−Water Quality
−Recreational Access and Use
−Targeted Stormwater Drainage and Flooding Issues
− South Milwaukee Mill Dam
−Habitat Conditions
Next Steps / Questions
Questionnaire
Serving the Counties of Kenosha, Milwaukee, Ozaukee, Racine, Walworth, Washington, and Waukesha
Website and Contact Information
37
Communication
• SEWRPC website for documents and comments
http://www.sewrpc.org/SEWRPC/Environment/Restoration-
Plan-Oak-Creek-Watershed.htm
Contacts
• Laura Kletti – Chief Environmental Engineer 262-953-3224
or lkletti@sewrpc.org
• Tom Slawski – Chief Biologist 262-953-3263 or
tslawski@sewrpc.org