Fisheries Lake Survey

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Name: Johanna

Nearest Town: Arden Hills
Primary County: Ramsey
Survey Date: 06/30/2008
Inventory Number: 62007800
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Public Access Information

Ownership Type Description
County Concrete Located on north shore in county park
County Concrete


Fishing Regulations:

Special and/or Experimental Fishing Regulations exist on this lake. Please refer to our online Minnesota Fishing Regulations.

Lake Characteristics

Lake Area (acres): 211.91
Littoral Area (acres): 95.93
Maximum Depth (ft): 43
Water Clarity (ft): 3.9 (3.75-4.1)

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


Did you know? MinnAqua Fishing: Get in the Habitat! has a Minnesota-base activity guide for teachers, scout and 4-H leaders, youth leaders, outdoor sports groups, or anyone interested in teaching others about habitat, stewardship and fishing.

Fish Sampled for the 2008 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Bullhead Trap net 0.33 0.7 - 25.7 1.01 0.3 - 0.6
Black Crappie Trap net 2.22 1.8 - 21.2 0.15 0.2 - 0.3
Gill net 5.83 2.5 - 16.5 0.14 0.1 - 0.3
Bluegill Trap net 115.33 7.5 - 62.5 0.10 0.1 - 0.3
Gill net 8.67 N/A 0.10 N/A
Bowfin (dogfish) Trap net 0.56 0.4 - 1.3 3.99 2.3 - 4.1
Green Sunfish Trap net 2.11 0.2 - 1.3 0.05 0.1 - 0.2
Hybrid Sunfish Trap net 2.33 N/A 0.12 N/A
Largemouth Bass Gill net 0.33 0.3 - 0.8 0.23 0.4 - 1.0
Northern Pike Gill net 4.83 1.5 - 7.3 4.21 2.0 - 3.5
Pumpkinseed Trap net 5.89 0.7 - 4.2 0.12 0.1 - 0.2
Gill net 1.33 N/A 0.15 N/A
Tiger Muskellunge Gill net 0.50 N/A 6.75 N/A
Walleye Trap net 0.11 0.3 - 1.2 0.06 0.8 - 2.8
Gill net 1.50 1.2 - 6.3 2.53 1.2 - 2.7
White Sucker Gill net 0.33 0.4 - 2.2 2.30 1.5 - 2.4
Yellow Bullhead Trap net 0.56 0.9 - 5.7 0.81 0.5 - 0.8
Gill net 0.33 0.5 - 7.5 1.16 0.5 - 0.8
Yellow Perch Trap net 0.33 0.3 - 1.7 0.07 0.1 - 0.2
Gill net 15.33 2.0 - 27.9 0.11 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 2008 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 0 0 0 3 0 0 0 0 3
black crappie 5 50 0 0 0 0 0 0 55
bluegill 861 224 0 0 0 0 0 0 1090
bowfin (dogfish) 0 0 0 0 1 4 0 0 5
green sunfish 19 0 0 0 0 0 0 0 19
hybrid sunfish 15 6 0 0 0 0 0 0 21
largemouth bass 0 2 0 0 0 0 0 0 2
northern pike 0 0 0 0 0 12 14 3 29
pumpkinseed 48 13 0 0 0 0 0 0 61
tiger muskellunge 0 0 0 0 0 0 1 2 3
walleye 0 1 0 0 5 4 0 0 10
white sucker 0 0 0 0 2 0 0 0 2
yellow bullhead 0 0 4 3 0 0 0 0 7
yellow perch 23 72 0 0 0 0 0 0 95


For the record, the largest American Eel taken in Minnesota weighed 6 lbs., 9 oz. and was caught:

    Where: St. Croix River near Stillwater
    When: 8/8/97
    Statistics: 36" length, 14" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2013 Tiger Muskellunge fry 19,400 1.0
  Walleye fingerlings 9,756 192.0
2012 Tiger Muskellunge fingerlings 432 139.3
2011 Walleye fingerlings 9,450 269.0
2010 Tiger Muskellunge* fingerlings 426 124.9
2009 Tiger Muskellunge fry 22,824 1.1
  Walleye yearlings 1,375 275.0
2008 Tiger Muskellunge* fingerlings 426 108.1
2007 Walleye yearlings 7 7.0
  Walleye fingerlings 7,440 186.0
2005 Walleye 14,814 13.0

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 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
JOHANNA
Ramsey Co., 62007800
Bluegill Sunfish     All sizes   Mercury PFOS
Carp All sizes        
Crappie     All sizes   Mercury PFOS
Northern Pike   shorter than 25" 25" or longer   Mercury
White Sucker   All sizes     Mercury

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
JOHANNA
Ramsey Co., 62007800
Bluegill Sunfish     All sizes   PFOS
Carp All sizes        
Crappie     All sizes   PFOS
Northern Pike   All sizes     Mercury
White Sucker 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 06/30/2008)

Bluegills are the most abundant species sampled in Lake Johanna. The average length captured during the assessment was 5.07 inches. Less than 1% of the bluegills sampled exceeded 7 inches in length. Pumpkinseed and hybrid sunfish were also sampled in high abundance. Black crappies were sampled in below average abundance and size. Walleye were sampled in moderate numbers. Nearly half the walleyes sampled exceeded 20 inches in length. Northern pike were found in average numbers for this lake. The average size caught was 25.9 inches in length and 4.21 pounds. Black bullhead and yellow bullhead were each sampled. Both species had average lengths over 12 inches.


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 D0077,D0177 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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    Toll-free: (800) 652-9093