Fisheries Lake Survey

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Name: Mills

Nearest Town: Lake Crystal
Primary County: Blue Earth
Survey Date: 08/06/2007
Inventory Number: 07009700

Public Access Information

Ownership Type Description
DNR Concrete


Lake Characteristics

Lake Area (acres): 237.08
Littoral Area (acres): 229
Maximum Depth (ft): 7
Water Clarity (ft): .5

Dominant Bottom Substrate: Sand (Abundant)
Abundance of Aquatic Plants: 7 Varieties Sampled
Maximum Depth of Plant Growth (ft): 3.8 (0-4.5)


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

Fish Sampled for the 2007 Survey Year

Species

Gear Used

Number of fish per net

Average Fish Weight (lbs)

Normal Range (lbs)

Caught

Normal Range

Black Bullhead Trap net 52.50 11.5 - 132.6 0.49 0.2 - 0.4
Gill net 63.00 30.3 - 150.6 0.43 0.2 - 0.4
Black Crappie Trap net 39.62 1.2 - 20.5 0.25 0.2 - 0.5
Gill net 20.75 1.4 - 13.8 0.20 0.2 - 0.4
Bluegill Trap net 0.25 1.2 - 20.0 0.47 0.1 - 0.4
Common Carp Trap net 5.12 1.0 - 5.5 2.64 1.4 - 4.6
Gill net 11.00 1.0 - 13.8 2.25 0.8 - 3.7
Golden Shiner Trap net 0.12 0.2 - 1.1 0.09 0.1 - 0.1
Gill net 17.25 0.5 - 2.6 0.10 0.1 - 0.1
Green Sunfish Trap net 0.12 0.2 - 1.9 0.32 0.1 - 0.2
Largemouth Bass Trap net 0.88 0.2 - 0.7 0.82 0.3 - 1.5
Northern Pike Trap net 0.88 N/A 3.92 N/A
Gill net 0.75 1.1 - 8.0 1.36 1.8 - 3.4
Yellow Bullhead Trap net 3.75 0.5 - 2.5 0.47 0.3 - 0.7
Yellow Perch Trap net 1.25 0.3 - 3.8 0.14 0.1 - 0.3
Gill net 11.75 2.7 - 25.0 0.16 0.1 - 0.3
Normal Ranges represent typical catches for lakes with similar physical and chemical characteristics.


Length of Selected Species (Trapnet, Gillnet) Sampled for the 2007 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 0 153 493 8 0 0 0 0 672
black crappie 39 336 9 8 0 0 0 0 400
bluegill 0 1 1 0 0 0 0 0 2
common carp 0 0 0 4 78 2 1 0 85
golden shiner 1 68 0 0 0 0 0 0 70
green sunfish 0 1 0 0 0 0 0 0 1
largemouth bass 0 0 5 1 1 0 0 0 7
northern pike 0 0 0 1 5 0 1 3 10
yellow bullhead 0 17 11 2 0 0 0 0 30
yellow perch 9 47 1 0 0 0 0 0 57


For the record, the largest White Crappie taken in Minnesota weighed 3 lbs., 15 oz. and was caught:

    Where: Lake Constance, Wright County
    When: 7/28/02
    Statistics: 18" length, 16" girth

Fish Stocking Activity

Fish Stocked by Species for the Last Ten Years

Year Species Size Number Pounds
2006 Northern Pike fry 26,282 1.1
2005 Northern Pike fry 23,301 0.8
2004 Northern Pike fry 29,610 0.9

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
MILLS
Blue Earth Co., 07009700
Bluegill Sunfish All sizes        
Bullhead   All sizes     Mercury
Carp All sizes        
Northern Pike   All sizes     Mercury
Yellow Perch   All sizes     Mercury

General Population

LAKE NAME
County, DOWID
Species Meal Advice Contaminants
Unrestricted 1 meal/week 1 meal/month Do not eat
MILLS
Blue Earth Co., 07009700
Bluegill Sunfish All sizes        
Bullhead All sizes        
Carp All sizes        
Yellow Perch 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 08/06/2007)

Mills Lake is located southeast of Lake Crystal and off highway 169. This small (230 acre) lake has a maximum depth of 7 feet. Mills Lake has a good population of 7 - 8.5 inch black crappie and low abundance of northern pike, yellow perch, bluegill and largemouth bass. There is a good population of 8.5 - 10 inch black bullhead that average a half pound.


For more information on this lake, contact:

Area Fisheries Supervisor
PO Box 86
50317 Fish Hatchery Rd
Waterville, MN 56096-0086
Phone: (507) 362-4223
Internet: Waterville Fisheries
E-Mail: Waterville.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 C2094 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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