Jefferson
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Fish and Aquatic Life
Overview
Miljala Channel, in the Lower Crawfish River Watershed, is a river that falls in Jefferson County. This river is managed for fishing and swimming and is currently not considered impaired.
Date 2014
Author Aquatic Biologist
Condition
Wisconsin has over 84,000 miles of streams, 15,000 lakes and milllions of acres of wetlands. Assessing the condition of this vast amount of water is challenging. The state's water monitoring program uses a media-based, cross-program approach to analyze water condition. An updated monitoring strategy (2015-2020) is now available. Compliance with Clean Water Act fishable, swimmable standards are located in the Executive Summary of Water Condition in 2018. See also the 'monitoring and projects' tab.
Reports
Recommendations
Shoreland Monitoring, Assessment, Inventory
Shoreland Monitoring, Assessment or Inventory
Lake Management Plan Development
Lakes Planning Grant
Shoreland Ordinance
Jefferson County Parks Department will implement the Korth Park Shoreline Restoration project along 1,300 feet of shoreline on Rock Lake. Project deliverables include: re-establishing native shoreland, upland and aquatic vegetation, stabilizing the shoreline and grading to reduce steep slopes and existing erosion.
Shoreland Monitoring, Assessment, Inventory
Jefferson County Parks Department will implement the Korth Park Shoreline Restoration project along 1,300 feet of shoreline on Rock Lake. Project deliverables include: re-establishing native shoreland, upland and aquatic vegetation, stabilizing the shoreline and grading to reduce steep slopes and existing erosion.
Land Acquisition
Jefferson County purchase 91.5 acres on Rock Lake for county park and open space purposes. Jefferson County will acquire property for lake protection purposes. The preservation of these parcels are for open space and passive recreation use.
Management Goals
Wisconsin's Water Quality Standards provide qualitative and quantitative goals for waters that are protective of Fishable, Swimmable conditions [Learn more]. Waters that do not meet water quality standards are considered impaired and restoration actions are planned and carried out until the water is once again fishable and swimmable
Management goals can include creation or implementation of a Total Maximum Daily Load analysis, a Nine Key Element Plan, or other restoration work, education and outreach and more. If specific recommendations exist for this water, they will be displayed below online.
Monitoring
Monitoring the condition of a river, stream, or lake includes gathering physical, chemical, biological, and habitat data. Comprehensive studies often gather all these parameters in great detail, while lighter assessment events will involve sampling physical, chemical and biological data such as macroinvertebrates. Aquatic macroinvertebrates and fish communities integrate watershed or catchment condition, providing great insight into overall ecosystem health. Chemical and habitat parameters tell researchers more about human induced problems including contaminated runoff, point source dischargers, or habitat issues that foster or limit the potential of aquatic communities to thrive in a given area. Wisconsin's Water Monitoring Strategy was recenty updated.
Grants and Management Projects
Monitoring Projects
WBIC | Official Waterbody Name | Station ID | Station Name | Earliest Fieldwork Date | Latest Fieldwork Date | View Station | View Data |
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4000015 | Unnamed | 10030009 | Channel from North of Shorewood Hills Rd | 5/19/2009 | 5/19/2009 | Map | Data |
4000015 | Unnamed | 10030017 | Unnamed Rock Lake trib (A South) | 5/19/2009 | 10/23/2009 | Map | Data |
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![](wsWaterEcosystem.ashx?watershed=UR02)
Watershed Characteristics
Unnamed is located in the Lower Crawfish River watershed which is 177.65 mi². Land use in the watershed is primarily agricultural (66.50%), grassland (11.20%) and a mix of wetland (10.70%) and other uses (11.60%). This watershed has 331.66 stream miles, 1,780.53 lake acres and 12,199.86 wetland acres.
Nonpoint Source Characteristics
This watershed is ranked Low for runoff impacts on streams, Not Available for runoff impacts on lakes and High for runoff impacts on groundwater and therefore has an overall rank of High. This value can be used in ranking the watershed or individual waterbodies for grant funding under state and county programs.However, all waters are affected by diffuse pollutant sources regardless of initial water quality. Applications for specific runoff projects under state or county grant programs may be pursued. For more information, go to surface water program grants.