Lake information report

Name: Linwood

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

Purchase a walleye stamp. Your voluntary contribution will be used to support walleye stocking.

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? Lake rehabilitation projects reclaim waters suffering from habitat degradation and overpopulation of some fish species.

Fish Sampled for the 2009 Survey Year

Species	Gear Used	Number of fish per net		Average Fish Weight (lbs)	Normal Range (lbs)
Species	Gear Used	Caught	Normal Range	Average Fish Weight (lbs)	Normal Range (lbs)
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)
Species	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 Bigmouth Buffalo taken in Minnesota weighed 41 lbs., 11 oz. and was caught:

Where: Mississippi River, Goodhue County
When: 5/7/91
Statistics: 38.5" length, 29.5" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year	Species	Size	Number	Pounds
2012	Walleye	fingerlings	11,400	760.0
	Walleye	yearlings	659	164.8
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
LAKE NAME County, DOWID	Species	Unrestricted	1 meal/week	1 meal/month	Do not eat	Contaminants
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
LAKE NAME County, DOWID	Species	Unrestricted	1 meal/week	1 meal/month	Do not eat	Contaminants
LINWOOD Anoka Co., 02002600	Bullhead	All sizes
	Crappie	All sizes
	Northern Pike	All sizes
	Walleye	All sizes

DOWID - MN DNR, Divion 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	Turn in Poachers (TIP): Toll-free: (800) 652-9093