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Elevated Water Temperature
Fish and Aquatic Life
North Branch of Ten-mile Creek / Ditch 5 is 10 miles long and is managed as a Class I and Class II trout stream. The lower eight miles was ditched in the early 1900’s to drain the land for agricultural use. This portion of the stream is dredged periodically to remove sediment and vegetation from the channel. Other impacts to the stream include heavy irrigation, which reduces base-flow, pesticide use, streambank pasturing, barnyard runoff, and sedimentation from wind erosion and discharges from cranberry marshes.
In-stream concentrations of nitrates have on occasion been as high as 15 ppm. Biotic index sampling results indicate good water quality.
Author Aquatic Biologist
North Branch Tenmile Creek (Ditch #5) was assessed during the 2018 listing cycle; new temperature sample data were clearly below the 2018 WisCALM listing thresholds for the Fish and Aquatic Life use. This water was meeting this designated use and was not considered impaired.
Author Ashley Beranek
The 2018 assessments of North Branch Tenmile Creek (WBIC 1384600, Mouth to Farmers Road) showed impairment by temperature; available temperature sample data exceeded the 2018 WisCALM listing criteria for the Fish and Aquatic Life use. Based on the most updated information, this water was proposed for the impaired waters list.
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.
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|
|1384600||Ditch # 5||10049568||Ditch #5 at Elm||Map||Data|
|1384600||Ditch # 5||10009197||North Branch 10 Mile Creek Above S. Branch Confluence Site 8||Map||Data|
|1384600||Ditch # 5||503151||Ditch #5 - Ditch No. 5 At Cth F - Below Check Dam Downstream Bridge||10/7/1999||7/29/2016||Map||Data|
|1384600||Ditch # 5||10009199||Ditch 5 / N Branch 10 Mile Creek Cth F / Mill Rd Site 12||8/21/2008||5/4/2019||Map||Data|
|1384600||Ditch # 5||10009198||Ditch 5 / N Branch 10 Mile Creek Townline Rd Site 13||6/10/2014||8/15/2020||Map||Data|
|1384600||Ditch # 5||10049551||Ditch #5 at Elm||11/15/2017||11/15/2017||Map||Data|
Ditch # 5 is located in the Sevenmile and Tenmile Creeks watershed which is 112.24 mi². Land use in the watershed is primarily forest (44.10%), agricultural (32.40%) and a mix of grassland (17.20%) and other uses (6.30%). This watershed has stream miles, lake acres and 10,480.58 wetland acres.
Nonpoint Source Characteristics
This watershed is ranked High 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.
Ditch #5 (N.Br. Tenmile Creek) is considered a Coldwater under the state's Natural Community Determinations.
Natural communities (stream and lake natural communities) represent model resultsand DNR staff valiation processes that confirm or update predicted conditions based on flow and temperature modeling from historic and current landscape features and related variables. Predicated flow and temperatures for waters are associated predicated fish assemblages (communities). Biologists evaluate the model results against current survey data to determine if the modeled results are corect and whether biological indicators show water quaity degradation. This analysis is a core component of the state's resource management framework. Wisconsin's Riverine Natural Communities.