Fish and Aquatic Life
The Little Lemonweir River begins in eastern Monroe County and flows east to its confluence
with the Lemonweir River 26 miles later at New Lisbon in Juneau County. The lower six
miles support a warm water sport fishery. Moving upstream, the Little Lemonweir River then
transitions to a cold water fishery near HWY 12/18. For 4.3 miles upstream of this bridge, the
Little Lemonweir River is a Class III trout stream, then Class II for another 6 miles, then
finally Class I for the uppermost mile in Monroe County, totaling 11.3 miles of trout water.
The one mile of Class I trout water is also designated as an Exceptional Resource Water (ERW). The WDNR's Fisheries Management program has acquired fishing easements along
portions of this stream in Juneau County. An improvement in stream and fishery health has
been seeen as a result of these easements. Nonpoint source problems affecting the Little
Lemonweir River are cattle grazing of streambanks and barnyard runoff. Since the most
recent biological survey was conducted in 1969, a fish and habitat survey should be conducted
of the Little Lemonweir River to determine existing conditions and classification.
Author Cynthia Koperski
The Little Lemonweir rises in eastern Monroe County and flows east to its confluence
with the Lemonweir River in Juneau County. The lower six miles are warm water sport
fishery (Ironside, 1991). About 11.3 miles of the stream's length are trout waters
(WDNR, 1980). One mile of the this is Class I trout water and also considered
exceptional resource waters under the state's antidegradation rules. WDNR's Fisheries
Management program is acquiring assessments along portions of the stream in Juneau
County. There are some nonpoint source problems, particularly cattle grazing and
trampling banks and runoff from barnyards, which are believed to be affecting in-stream
habitat (Ironside, 1991).
Author Surface Water Inventory Of Wisconsin
Between the 2012 and 2014 assessment cycles the entire Little Lemonweir River (WBIC 1306100) was listed for total phosphorus. This water was assessed during the 2018 listing cycle; new biological (macroinvertebrate Index of Biotic Integrity (IBI) scores) and temperature sample data were clearly below 2018 WisCALM listing thresholds for the Fish and Aquatic Life use. Based on the most updated information, no change in existing impaired waters listing is needed.
Author Ashley Beranek
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.
Monitor Fish Community
AU 948033, poor fIBI, Station 10012170
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|
|1306100||Little Lemonweir River||10036137||Little Lemonweir River - Area of Open Water||Map||Data|
|1306100||Little Lemonweir River||10029364||Little Lemonweir at McEwen Rd. Bridge ||10/28/2008||1/1/2015||Map||Data|
|1306100||Little Lemonweir River||10014482||Little Lemonweir R. St1 1956 - Railroad Tracks(Ush 12)||Map||Data|
|1306100||Little Lemonweir River||293057||Little Lemonweir River - Mcewen Road||5/1/1980||10/29/1980||Map||Data|
|1306100||Little Lemonweir River||10035237||Little Lemonweir River - Area of Open Water||Map||Data|
Little Lemonweir River is located in the Little Lemonweir River watershed which is 218.01 mi². Land use in the watershed is primarily forest (33.10%), agricultural (28.30%) and a mix of wetland (17.20%) and other uses (21.40%). This watershed has 488.22 stream miles, 1,656.86 lake acres and 18,277.64 wetland acres.
Nonpoint Source Characteristics
This watershed is ranked Not Ranked for runoff impacts on streams, Low 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.