Lake information report

Name: LINWOOD

Nearest Town: WYOMING
Primary County: Anoka
Survey Date: 07/12/2004
Inventory Number: 02-0026-00

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

Public Access Information

Ownership	Type	Description
County	Concrete	Anoka County Park with access on northeast shore. Access paved with asphalt and double ramp built in 1998.

Lake Characteristics

Lake Area (acres): 559.00
Littoral Area (acres): 475.00
Maximum Depth (ft): 42.00
Water Clarity (ft): 4.00

Dominant Bottom Substrate: N/A
Abundance of Aquatic Plants: N/A
Maximum Depth of Plant Growth (ft): N/A

Did you know? Fishing piers are installed on lakes to provide opportunities for shore fishing.

Fish Sampled up to the 2004 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	Gill net	6.0	7.7 - 104.7	0.67	0.2 - 0.5
	Trap net	0.2	1.5 - 58.0	0.74	0.2 - 0.5
Black Crappie	Gill net	10.3	1.7 - 17.5	0.17	0.1 - 0.3
	Trap net	1.8	2.1 - 24.1	0.22	0.2 - 0.4
Bluegill	Gill net	9.3	N/A - N/A	0.07	N/A - N/A
	Trap net	52.1	3.5 - 57.1	0.11	0.1 - 0.3
Bowfin (Dogfish)	Gill net	0.2	0.3 - 1.3	3.31	2.0 - 4.4
	Trap net	2.1	0.3 - 1.3	2.86	2.5 - 4.2
Green Sunfish	Trap net	0.2	0.3 - 2.8	0.04	0.1 - 0.2
Hybrid Sunfish	Trap net	4.2	N/A - N/A	0.15	N/A - N/A
Largemouth Bass	Gill net	0.2	0.3 - 0.6	1.51	0.5 - 1.5
	Trap net	0.1	0.2 - 0.8	2.98	0.3 - 1.5
Northern Pike	Gill net	12.3	2.0 - 10.8	3.23	1.7 - 3.1
	Trap net	0.2	N/A - N/A	0.55	N/A - N/A
Pumpkinseed Sunfish	Gill net	0.2	N/A - N/A	0.06	N/A - N/A
	Trap net	9.8	0.7 - 6.5	0.09	0.1 - 0.2
Walleye	Gill net	0.3	0.8 - 3.8	2.87	1.4 - 3.0
White Crappie	Gill net	0.2	0.5 - 13.0	0.24	0.1 - 0.3
	Trap net	0.1	0.4 - 14.4	0.62	0.2 - 0.4
Yellow Bullhead	Gill net	2.3	0.5 - 5.0	1.01	0.4 - 0.8
	Trap net	5.2	1.0 - 7.1	0.93	0.4 - 0.8
Yellow Perch	Gill net	13.5	2.0 - 22.3	0.09	0.1 - 0.2
	Trap net	0.2	0.4 - 2.8	0.10	0.1 - 0.2

Normal Ranges represent typical catches for lakes with similar physical and chemical characteristics.

Length of Selected Species Sampled for All Gear for the 2004 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	0	2	35	1	0	0	0	0	38
Black Crappie	9	67	2	0	0	0	0	0	78
Bluegill	190	69	0	0	0	0	0	0	259
Green Sunfish	2	0	0	0	0	0	0	0	2
Hybrid Sunfish	25	13	0	0	0	0	0	0	38
Largemouth Bass	0	0	0	1	1	0	0	0	2
Northern Pike	0	0	1	2	5	42	22	4	76
Pumpkinseed Sunfish	58	7	0	0	0	0	0	0	65
Walleye	0	0	0	0	1	1	0	0	2
White Crappie	0	1	1	0	0	0	0	0	2
Yellow Bullhead	0	2	31	28	0	0	0	0	61
Yellow Perch	49	34	0	0	0	0	0	0	83

For the record, the largest White Bass taken in Minnesota weighed 4 lbs., 2.4 oz. and was caught:

Where: Mississippi River Pool 5, Wabasha County
When: 5/4/2004

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year	Species	Size	Number	Pounds
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
2002	Walleye	fingerlings	15,906	954.8
2000	Walleye	fingerlings	19,180	950.0

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 guidelines 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 high enough to warrant a recommendation 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 07/12/2004)

Linwood Lake is primarily managed for Walleye (WAE), but it presently contains an above average population of Northern Pike (NOP) exhibiting a good size structure. Northern Pike were sampled in the 2004 assessment at the highest catch rate observed on this lake since 1979, and more than double the recorded level in 1999. The average size NOP captured was 24.1 inches and 3.2 pounds, and 15% of all sampled fish measured 28.0 inches or larger. Grow rate for NOP is good. Only two WAE were captured during this assessment representing the lowest catch rate for this species since 1985. Both WAE sampled were stocked prior to the year 2000 and averaged 20.0 inches and 2.9 pounds. Yellow Perch were sampled above the median level for abundance but small in average size (6.0 inches and 0.1 pounds). Black Crappie (BLC) were sampled above the median level for abundance in gill nets, but at a level 2.5 times lower than that observed in 1999. Sampled BLC averaged only 7.1 inches and 0.1 pounds. Bluegill (BLG) were captured in trap nets at the highest catch rate since 1985, but averaged only 5.3 inches and 0.1 pounds each. Approximately 11% of the BLG captured measured 7.0 inches or larger. Growth rates for BLG and BLC are average.

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