Fish and Aquatic Life
Long Hollow Creek is a small spring-fed tributary to the Big Green River. Currently, the lower 0.1 mile of the stream supports the natural reproduction of brown trout. Stream bank erosion and erosion due to pasturing may contribute some sediment to the stream.
Author Cynthia Koperski
Long Hollow Creek is a small spring-fed tributary to the Big Green River. Currently, the lower 0.1 mile of the stream is classified as a Class II trout stream. It is recommended that the stream be upgraded to a Class I due to the creek’s ability to support the natural reproduction of brown trout. This upgrade would also list the stream as an exceptional resource water (ERW). Stream bank erosion and erosion due to pasturing may contribute some sediment to the stream.
Author Aquatic Biologist
From: Smith, Tom D., and Ball, Joseph R., Lake and Stream Classification Project. Surface Water Resources of Grant County, Department of Natural Resources, 1972. Surface Area = .19 acre. Length = .4 mile. Gradient = 50 ft./mile Flow = 0.2 c.f.s.
A very small spring-fed tributary to.the Big Green River located two miles east of Werley. The clear, cold water flows over a stream bed of gravel.and silt. Bank erosion is evident. Forage species dominate th fishery although a few brook trout are present. A farm pond containing trout is found adjacent to the strea near the bridge on Highway K. Muskrats visit the stream occasionally. Public access is possible from one bridge crossing and one dwelling is located nearby.
Author Surface Water Inventory Of Wisconsin
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
|Project Name (Click for Details)||Year Started|
|WBIC||Official Waterbody Name||Station ID||Station Name||Earliest Fieldwork Date||Latest Fieldwork Date||View Station||View Data|
Long Hollow Creek is located in the Green River and Crooked Creek watershed which is 125.71 mi². Land use in the watershed is primarily forest (46.60%), grassland (26.30%) and a mix of agricultural (16.80%) and other uses (10.30%). This watershed has 278.95 stream miles, 257.04 lake acres and 4,127.32 wetland acres.
Nonpoint Source Characteristics
This watershed is ranked High for runoff impacts on streams, Not Ranked 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.