Fish and Aquatic Life
South Twin Lake has a navigable inlet stream from North Twin Lake and a nonnavigable outlet (1.1 cfs) stream to the Apple River. The lake contains northern pike, walleyes, largemouth bass, bluegills, black crappies, pumpkinseed, perch and bullheads. Public frontage consists of 200 feet of public swimming beach with facilities and park area (without boat launching access). There is one resort and 14 cottages developing 20 per cent of the lake shore frontage. Twelve acres of marsh wetlands adjoin the lake. Mallards and bluewing teal nest here. Use of firearms is restricted by local ordinance.
South Twin Lake T33N, R16W, Sec. 32 Surface Acres = 73.5, S.D.F.= 1.23, Maximum Depth = 12 ft., M. P. A. = 135
Author Aquatic Biologist
North Twin, South Twin and Pike Lakes are located mostly within the city of Amery. A lake management district was formed in the 1970's and a feasibility study was completed in 1982. The management alternatives from this study stressed the problems that urban lakes experience from stormwater runoff. A planning grants project initiated in 1991 is monitoring inlet water quality as well as in-lake quality and the determination of watershed boundaries and street runoff gradients. Dependent on the results of this planning grants study, these lakes should receive high priority for implementation funding to carry out the recommendations of the current and the previous study to protect these waters from the degradations caused by urban runoff and the resultant nutrient loading.
Author Aquatic Biologist
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.
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 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
|WBIC||Official Waterbody Name||Station ID||Station Name||Earliest Fieldwork Date||Latest Fieldwork Date||View Station||View Data|
|2623800||South Twin Lake||494023||South Twin Lake - South Twin Lake||8/6/1979||8/6/1979||Map||Data|
|2623800||South Twin Lake||10005000||South Twin Lake||8/7/2001||7/11/2019||Map||Data|
|2623800||South Twin Lake||493061||South Twin Lake - Deepest Point||6/26/1991||5/19/2004||Map||Data|
|2623800||South Twin Lake||493206||South Twin Lake at Outlet||5/28/2003||5/19/2004||Map||Data|
|2623800||South Twin Lake||10019798||South Twin Lake -- Access Off Baker St||6/6/2019||6/6/2019||Map||Data|
South Twin Lake is located in the Upper Apple River watershed which is 195.43 mi². Land use in the watershed is primarily forest (45.90%), agricultural (16.40%) and a mix of wetland (15.70%) and other uses (22.10%). This watershed has 138.62 stream miles, 7,663.43 lake acres and 16,247.07 wetland acres.
Nonpoint Source Characteristics
This watershed is ranked Medium for runoff impacts on streams, High for runoff impacts on lakes and Low for runoff impacts on groundwater and therefore has an overall rank of Low. This value can be used in ranking the watershed or individual waterbodies for grant funding under state and county programs.This water is ranked High Lake for individual Lakes based on runoff problems and the likelihood of success from project implementation.