Fisheries Lake Survey

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Name: Johanna

Nearest Town: Arden Hills
Primary County: Ramsey
Survey Date: 06/30/2014
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): 6.0 (3.75-10)

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


Did you know? Each year, DNR fisheries personnel stock game fish fry and fingerlings in lakes lacking habitat for natural reproduction.

Fish Sampled for the 2014 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Crappie Trap net 1.67 1.8 - 21.2 0.18 0.2 - 0.3
Gill net 10.50 2.5 - 16.5 0.20 0.1 - 0.3
Bluegill Trap net 27.22 7.5 - 62.5 0.11 0.1 - 0.3
Gill net 46.67 N/A 0.16 N/A
Bowfin (dogfish) Trap net 0.56 0.4 - 1.3 4.68 2.3 - 4.1
Golden Shiner Gill net 0.33 0.3 - 1.5 0.09 0.1 - 0.1
Green Sunfish Trap net 0.33 0.2 - 1.3 0.03 0.1 - 0.2
Hybrid Sunfish Trap net 2.00 N/A 0.16 N/A
Gill net 3.00 N/A 0.18 N/A
Largemouth Bass Trap net 0.33 0.2 - 0.7 1.59 0.2 - 0.9
Gill net 1.17 0.3 - 0.8 0.67 0.4 - 1.0
Northern Pike Trap net 0.22 N/A 0.76 N/A
Gill net 7.17 1.5 - 7.3 3.78 2.0 - 3.5
Pumpkinseed Trap net 0.67 0.7 - 4.2 0.19 0.1 - 0.2
Gill net 2.17 N/A 0.15 N/A
Tiger Muskellunge Trap net 0.11 N/A 22.74 N/A
Gill net 0.83 N/A 4.44 N/A
Walleye Trap net 0.22 0.3 - 1.2 2.00 0.8 - 2.8
Gill net 2.50 1.2 - 6.3 1.16 1.2 - 2.7
White Sucker Gill net 0.17 0.4 - 2.2 2.32 1.5 - 2.4
Yellow Bullhead Trap net 0.22 0.9 - 5.7 0.66 0.5 - 0.8
Yellow Perch Trap net 0.11 0.3 - 1.7 0.08 0.1 - 0.2
Gill net 15.50 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 2014 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 crappie 26 50 1 0 0 0 0 0 77
bluegill 331 186 0 0 0 0 0 0 517
bowfin (dogfish) 0 0 0 0 0 4 1 0 5
golden shiner 0 2 0 0 0 0 0 0 2
green sunfish 3 0 0 0 0 0 0 0 3
hybrid sunfish 23 13 0 0 0 0 0 0 36
largemouth bass 0 4 2 3 1 0 0 0 10
northern pike 0 0 0 9 3 5 22 6 45
pumpkinseed 9 10 0 0 0 0 0 0 19
tiger muskellunge 0 0 0 0 0 3 0 3 6
walleye 0 0 7 3 4 3 0 0 17
white sucker 0 0 0 0 1 0 0 0 1
yellow bullhead 0 0 2 0 0 0 0 0 2
yellow perch 27 65 0 0 0 0 0 0 92


For the record, the largest Pink Salmon taken in Minnesota weighed 4 lbs., 8 oz. and was caught:

    Where: Cascade River, Cook County
    When: 9/9/89
    Statistics: 23.5" length, 13.2" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2014 tiger muskellunge fingerlings 34 28.4
  tiger muskellunge2 fingerlings 432 89.1
2013 Tiger Muskellunge fry 19,400 1.0
  Walleye fingerlings 9,756 192.0
2012 Tiger Muskellunge2 fingerlings 432 139.3
2011 Walleye fingerlings 9,450 269.0
2010 Tiger Muskellunge1 fingerlings 426 124.9
2009 Tiger Muskellunge fry 22,824 1.1
  Walleye yearlings 1,375 275.0
2008 Tiger Muskellunge1 fingerlings 426 108.1
2007 Walleye yearlings 7 7.0
  Walleye fingerlings 7,440 186.0
2005 Walleye 14,814 13.0

Stocking Notes
1 - indicates fish purchased and stocked by private citizens and sporting groups.
2 - indicates fish purchased by the DNR for stocking.

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 06/30/2014)

Lake Johanna is a 213-acre eutrophic lake located in Arden Hills, 7.5 miles northwest of St. Paul. The contributing watershed is characterized by residential, commercial, industrial and major roadways. Its lake class ID is 24 and is managed primarily for Walleyes and Tiger Muskellunge. Walleye fingerlings are stocked every other year at a rate of 2 pounds/littoral-acre and Tiger Muskellunge fingerlings are stocked every other year at a rate of 4.5 fish/littoral-acre (426 fish). Walleyes were captured at a rate of 2.50 fish/gill net. Walleyes captured during this assessment averaged 14.25 inches in total length and weighed an average of 1.16 pounds, 43% of Walleye captured during the survey were 15 inches or larger. A total of six Tiger Muskellunge were captured during this assessment. Tiger Muskellunge captured in gill nets averaged 26.02 inches in total length and 4.44 pounds. The one captured in a trap net was 43.31 inches. Northern Pike were captured at the second highest rate of abundance ever at 7.00 fish/gill net. Northern Pike sampled in the gill nets averaged 24.13 inches and 3.65 pounds, 56% of pike captured were 26 inches or larger. Although gill nets and trap nets are not the best way to assess Largemouth Bass, three were sampled in trap nets and seven were sampled in gill nets. Yellow Perch were sampled at about the same abundance as the previous survey. Average total length of perch in gill nets was 6.26 inches. Bluegills trap net abundance has decreased from 115.33 fish/trap net in 2008, to 27.22 fish/trap net during this assessment. Average total length of Bluegills in trap nets was 5.10 inches. Black Crappies abundance increased in gill nets and decreased in trap nets from the previous survey in 2008. Average total length of crappie in gill nets was 7.00 inches and in trap nets was 6.92 inches. Other species captured during this survey in low numbers were Bowfin, Golden Shiners, Hybrid Sunfish, Pumpkinseed, White Suckers and Yellow Bullheads.


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