Fisheries Lake Survey

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Name: Linwood

Nearest Town: Wyoming
Primary County: Anoka
Survey Date: 07/06/2009
Inventory Number: 02002600
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Public Access Information

Ownership Type Description
County Concrete


Lake Characteristics

Lake Area (acres): 572.09
Littoral Area (acres): 475
Maximum Depth (ft): 42
Water Clarity (ft): 3.3

Dominant Bottom Substrate: Sand (Abundant)
Abundance of Aquatic Plants: 22 Varieties Sampled
Maximum Depth of Plant Growth (ft): 6.1 (4-10)


Did you know? Fisheries personnel monitor and regulate aquaculture, fishing tournaments, commercial fishing operations, aquatic plant management, and aeration.

Fish Sampled for the 2009 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Bullhead Trap net 0.43 1.5 - 58.0 0.98 0.2 - 0.5
Gill net 1.83 7.7 - 104.7 0.75 0.2 - 0.5
Black Crappie Trap net 0.29 2.1 - 24.1 0.22 0.2 - 0.4
Gill net 31.50 1.7 - 17.5 0.11 0.1 - 0.3
Bluegill Trap net 28.86 3.5 - 57.1 0.15 0.1 - 0.3
Gill net 11.00 N/A 0.07 N/A
Bowfin (dogfish) Trap net 0.71 0.3 - 1.3 5.08 2.5 - 4.2
Common Carp Trap net 0.14 0.4 - 2.4 10.03 1.8 - 5.1
Golden Shiner Trap net 0.29 0.3 - 1.6 0.07 0.1 - 0.1
Hybrid Sunfish Trap net 1.29 N/A 0.20 N/A
Largemouth Bass Gill net 0.50 0.3 - 0.6 0.36 0.5 - 1.5
Northern Pike Trap net 0.29 N/A 10.14 N/A
Gill net 13.00 2.0 - 10.8 2.88 1.7 - 3.1
Pumpkinseed Trap net 1.14 0.7 - 6.5 0.09 0.1 - 0.2
Gill net 0.33 N/A 0.07 N/A
Walleye Gill net 1.50 0.8 - 3.8 3.91 1.4 - 3.0
White Crappie Trap net 0.14 0.4 - 14.4 0.56 0.2 - 0.4
Gill net 0.17 0.5 - 13.0 0.10 0.1 - 0.3
White Sucker Gill net 0.33 0.5 - 2.3 1.97 1.6 - 2.5
Yellow Bullhead Gill net 2.17 0.5 - 5.0 0.74 0.4 - 0.8
Yellow Perch Gill net 1.33 2.0 - 22.3 0.08 0.1 - 0.2
Normal Ranges represent typical catches for lakes with similar physical and chemical characteristics.


Length of Selected Species (Trapnet, Gillnet) Sampled for the 2009 Survey Year

Species Number of fish caught in each category (inches)
0-5 6-8 9-11 12-14 15-19 20-24 25-29 30+ Total
black bullhead 1 1 5 7 0 0 0 0 14
black crappie 70 121 0 0 0 0 0 0 191
bluegill 163 96 0 0 0 0 0 0 268
bowfin (dogfish) 0 0 0 0 0 3 2 0 5
common carp 0 0 0 0 0 0 1 0 1
golden shiner 2 0 0 0 0 0 0 0 2
hybrid sunfish 2 7 0 0 0 0 0 0 9
largemouth bass 0 1 2 0 0 0 0 0 3
northern pike 0 0 0 0 10 45 22 3 80
pumpkinseed 9 1 0 0 0 0 0 0 10
walleye 0 0 0 2 0 5 2 0 9
white crappie 0 1 1 0 0 0 0 0 2
white sucker 0 0 0 0 2 0 0 0 2
yellow bullhead 0 3 8 2 0 0 0 0 13
yellow perch 6 2 0 0 0 0 0 0 8


For the record, the largest Longnose Gar taken in Minnesota weighed 16 lbs., 12 oz. and was caught:

    Where: St. Croix River, Prescott
    When: 5/4/82
    Statistics: 53" length, 16.5" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2013 Walleye fry 1,000,000 9.0
2012 Walleye yearlings 659 164.8
  Walleye fingerlings 11,400 760.0
2010 Walleye yearlings 319 245.0
  Walleye fingerlings 1,504 155.0
  Walleye* fingerlings 8,280 550.0
2008 Walleye adults 95 190.0
  Walleye fingerlings 1,849 43.0
  Walleye fry 1,250,000 13.0
  Walleye fingerlings 35,941 697.0
2007 Walleye fry 400,000 3.6
2006 Walleye* fingerlings 12,006 949.1
  Walleye fry 1,400,000 13.2
2004 Walleye* fingerlings 22,451 949.1

Privately Stocked Fish
* indicates privately stocked fish. Private stocking includes fish purchased by the DNR for stocking and fish purchased and stocked by private citizens and sporting groups.

Stocking Fish Sizes
Fry - Newly hatched fish that are ready to be stocked usually called "swim-ups". Walleye fry are 1/3 of an inch or around 8 mm.
Fingerling - Fingerlings are one to six months old and can range from a size of one to twelve inches depending on the species. Walleye fingerlings range from three to eight inches each fall.
Yearling - Yearling fish are at least one year old. A one-year-old fish can range from three to twenty inches depending on the species. Walleye yearlings average from six to twelve inches.
Adult - Adult fish are fish that have reached maturity. Depending on the species, maturity can be reached at two years of age. Walleye reach maturity between the ages of four and six years.

Fish Consumption Guidelines

These fish consumption guidelines help people make choices about which fish to eat and how often. Following the guidelin es enables people to reduce their exposure to contaminants while still enjoying the many benefits from fish.

Pregnant Women, Women who may become pregnant and Children under age 15

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
LINWOOD
Anoka Co., 02002600
Bullhead   All sizes     Mercury
Crappie All sizes        
Northern Pike   All sizes     Mercury
Walleye   All sizes     Mercury

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
LINWOOD
Anoka Co., 02002600
Bullhead All sizes        
Crappie All sizes        
Northern Pike All sizes        
Walleye All sizes        

DOWID - MN DNR, Division of Waters' lake ID number.

Contaminants listed were measured at levels that trigger advice to limit consumption.

Listing of consumption guidelines do not imply the fish are legal to keep, MN DNR fishing regulations should be consulted.

Dioxin
Mercury
PCBS - Polychlorinated biphenyls
PFOS - Perfluorooctane sulfanate


Status of the Fishery (as of 07/06/2009)

Linwood Lake is primarily managed for walleye. They continue to be found in normal abundance. Their average size was 20.76 inches and 3.91 pounds. Northern pike were found in good numbers and size. Nearly 30% of the catch exceeded 25 inches in length. Bluegills were sampled in average numbers and size. The average size bluegill was 5.82 inches. Black crappies were very abundant but were small sized. Largemouth bass aren't sampled well in the type of gear used during this survey, but their catch rate in the gill nets was within normal ranges.


For more information on this lake, contact:

Area Fisheries Supervisor
1200 Warner Rd
St. Paul, MN 55106
Phone: (651) 259-5831
Internet: East Metro Fisheries
E-Mail: MetroEast.Fisheries@state.mn.us

Lake maps can be obtained from:

Minnesota Bookstore
660 Olive Street
St. Paul, MN 55155
(651) 297-3000 or (800) 657-3757
To order, use C1442 for the map-id.


For general DNR Information, contact:

DNR Information Center
500 Lafayette Road
St. Paul, MN 55155-4040
TDD: (651) 296-6157 or (888) MINNDNR
Internet: www.dnr.state.mn.us
E-Mail: info.dnr@state.mn.us

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