Little Brook, Little Rib River Watershed (CW24)
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Little Brook, Little Rib River Watershed (CW24)
Little Brook (1452200)
4.80 Miles
0 - 4.80
Natural Community
Natural communities (stream and lake natural communities) represent model results that use predicted flow and temperature based on landscape features and related assumptions. Ranges of flow and temperature associated with specific aquatic life communities (fish, macroinvertebrates) help biologists identify appropriate resource management goals. Wisconsin Natural Communities.
Cool-Cold Headwater
Year Last Monitored
This is the most recent date of monitoring data stored in SWIMS. Additional surveys for fish and habitat may be available subsequent to this date.
2001
Unknown
 
Marathon
Trout Water 
Trout Waters are represented by Class I, Class II or Class III waters. These classes have specific ecological characteristics and management actions associated with them. For more information regarding Trout Classifications, see the Fisheries Trout Class Webpages.
No
Outstanding or Exceptional 
Wisconsin has designated many of the state's highest quality waters as Outstanding Resource Waters (ORWs) or Exceptional Resource Waters (ERWs). Waters designated as ORW or ERW are surface waters which provide outstanding recreational opportunities, support valuable fisheries and wildlife habitat, have good water quality, and are not significantly impacted by human activities. ORW and ERW status identifies waters that the State of Wisconsin has determined warrant additional protection from the effects of pollution. These designations are intended to meet federal Clean Water Act obligations requiring Wisconsin to adopt an 'antidegradation' policy that is designed to prevent any lowering of water quality - especially in those waters having significant ecological or cultural value.
No
Impaired Water 
A water is polluted or 'impaired' if it does not support full use by humans, wildlife, fish and other aquatic life and it is shown that one or more of the pollutant criteria are not met.
No

Fish and Aquatic Life

Current Use
The use the water currently supports. This is not a designation or classification; it is based on the current condition of the water. Information in this column is not designed for, and should not be used for, regulatory purposes.
Supported Aquatic Life
Waters that support fish and aquatic life communities (healthy biological communities).
Attainable Use
The use that the investigator believes the water could achieve through managing "controllable" sources. Beaver dams, hydroelectric dams, low gradient streams, and naturally occurring low flows are generally not considered controllable. The attainable use may be the same as the current use or it may be higher.
WWFF
Streams capable of supporting a warm waterdependent forage fishery. Representative aquatic life communities associated with these waters generally require cool or warm temperatures and concentrations of dissolved oxygen that do not drop below 5 mg/L.
Designated Use
This is the water classification legally recognized by NR102 and NR104, Wis. Adm. Code. The classification determines water quality criteria and effluent limits. Waters obtain designated uses through classification procedures.
Default FAL
Fish and Aquatic Life - Default Waters do not have a specific use designation subcategory but are considered fishable, swimmable waters.

Overview

Little Brook Creek is a four-mile long stream and is classified as a Warm Water Forage Fishery. The creek empties into the lower portion of the Little Rib River. Limiting factors of in-stream habitat in the lower reaches include deteriorating banks, fine sediment deposition, shallow channel depth and no adult fish cover. Limiting factors of habitat in the upper reaches include fine sediment deposition and lack of riffles.

Fishery surveys completed in the upper and lower reaches of Little Brook Creek found different fish communities. The fishery at the upper site was represented by warm water species with brook stickleback and central mudminnow being the most dominant. The lower IBI score was a result of high numbers of tolerant fish species and low numbers of top carnivore and lithophil species. However, the IBI score may not be accurate due to the stream being less than the minimum number of fish captured necessary to calculate an accurate IBI.

Fishery surveys found relatively high densities of brook trout at the lower site. The fishery was represented by several year classes of trout including young of the year, indicating that natural reproduction is occurring.

The presence of brook trout at the lower site is likely a result of colder water temperatures and improved habitat conditions for trout. A comparison of instantaneous temperatures between the two sites indicate that water temperatures were eight degrees Fahrenheit cooler at the lower site. Streamflow measurements collected within one day of each other show that discharge was approximately 1 cfs higher at the lower site. Since no tributary inputs were found between the sites, increased streamflow and colder water temperatures are likely a result of groundwater input.

Based on fishery survey results, the proposed biological use classification for Little Brook Creek would be Class I trout water from the mouth to County Highway O. The classification upstream of County Highway O would remain Warm Water Forage Fish.

Date  2002

Author   Aquatic Biologist

Little Brook, Little Rib River Watershed (CW24) Fish and Aquatic LifeLittle Brook, Little Rib River Watershed (CW24) RecreationLittle Brook, Little Rib River Watershed (CW24) Fish Consumption

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.

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

Project Name (Click for Details)Year Started

Monitoring Projects

WBICOfficial Waterbody NameStation IDStation NameEarliest Fieldwork DateLatest Fieldwork DateView StationView Data
1452200Little Brook10016142Little Brook Creek - 60 M Upstream Of 72nd Ave10/16/200110/16/2001MapData
1452200Little Brook10008318Little Brook Cth O Site 25MapData
1452200Little Brook10008289Little Brook Sunnyvale Ave/72nd Site 7MapData

Watershed Characteristics

Little Brook is located in the Little Rib River watershed which is 92.44 mi². Land use in the watershed is primarily forest (37.40%), agricultural (31.40%) and a mix of grassland (15.40%) and other uses (15.90%). This watershed has stream miles, lake acres and 2,768.75 wetland acres.

Nonpoint Source Characteristics

This watershed is ranked Medium 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.

Natural Community

Little Brook is considered a Cool-Cold Headwater under the state's Natural Community Determinations.

Natural communities (stream and lake natural communities) represent model results and 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.

Cool (Cold-Transition) Headwaters are small, usually perennial streams with cold to cool summer temperatures. Coldwater fishes are common to uncommon (<10 per 100 m), transitional fishes are abundant to common, and warm water fishes are uncommon to absent. Headwater species are abundant to common, mainstem species are common to absent, and river species are absent.