Fisheries Management DRAFT VERSION PRELIMINARY DATA (AS OF 8/3/218) Lake Name: Wilmert (main bay) Survey Type: Standard Survey DOW Number: 6-1-1 Survey ID Date: 8/27/218 Lake Identification Alternate Lake Name: Forgotten Lake Primary Lake Class ID: 3 DNR Sounding Map Number: C59 Alternate Lake Class ID: N/A Lake Location Primary County: Martin Nearest Town: Fairmont Legal Descriptions Lake Center: Township - 11N Range - 3W Section - 7 PLS Section Lake Center: 1137 All Legal Descriptions: Martin County: Township - 11N Range - 3W Sections - 7, 18 Area Office Area Name: Region Name: Windom Southern ORG Code: Region Number: F18 Lake Access (Information based on Re-Survey dated 8/3/21) Station ID Ownership Public Use AC - 1 DNR Open to Public use Type Asphalt Location / Comments Needs maintenance. Gravel on top of access ramp cansirg truck tires to spin out when loading out boat. Lake Characteristics Lake Area (planimetered acres): 362. GIS Lake Area (acres): 335. DOW Lake Area (acres): 362. Littoral Area (acres): 335. Area in MN (acres): 335. Maximum Depth (feet): 8. Mean Depth (feet): N/A GIS Shoreline Length (miles): Maximum Fetch (miles): Fetch Orientation (degrees): USGS Quad Map Number: 3.27 1.1 315 X12c USGS Quad 2K GIS Index: 723 Watershed Characteristics Major Watershed Name: Blue Earth River Watershed Number: 3 Watershed size (acres): 777,2 Minor Watershed Name: From Amber L Watershed Number: 66 Watershed size (acres): 11,9 Lake Survey Report revision: 21726. Data Date: 8/3/218 at 7:1 am.
DRAFT Surveys and Investigations STANDARD SURVEY DATED 8/27/218 FOR DOW NUMBER 6-1-1 Initial Survey: 9//9. Re-Survey: 8/3/21, 8/27/21, 8/25/97, 8/3/93. Population Assessment: 8/25/97. Special Assessment: 1/2/99, 9/9/97, 7/7/5. Winter Kill Assessment: /21/21. Dissolved Oxygen Check: 2/11/216, 2/2/215, 1/3/21, 1/8/213, 2/5/21. Standard Survey: 8/27/218. Targeted Survey: 7/3/218, 1/18/218, 9/13/217. Current Water Level Station ID Date Level Reading (feet) Reading Type BM - 1 8/29/218 High.7 Above or below Benchmark Benchmark and Gauge Descriptions / Locations Station ID BM - 1 Location Description center of sheetpile outlet sill Water Level History - Readings Station ID Date Level Reading (feet) Reading Type BM - 1 8/29/218 High.7 Above or below Benchmark Water Level History - Station Summary Station ID Minimum Level Feet Date Maximum Level Feet Date Range (feet) Average Level (feet) Reading Type (and number of readings) BM - 1.7 8/29/218.7 8/29/218..7 Above or below Benchmark (1) Dissolved Oxygen and Temperature Profile of Lake Water Station ID Sampling Date Bottom Depth (Feet) Sample Depth (Feet) Water Temperature ( F) Dissolved Oxygen (ppm) WQ - 1 8/29/218 8. Surface 7.3 8.5 2. 7.3 8.. 7. 8. 6. 69.8 7.6 7. 69.8 7.1 8. 69.6 6.7 Field Measurements of Water Quality Station ID Sampling Date Sample Depth (Feet) Secchi Depth (Feet) Field ph Alkalinity (ppm) Water Color Color Cause WQ - 1 8/29/218 Surface.9 N\A 22 Green Algae Page 2
STANDARD SURVEY DATED 8/27/218 FOR DOW NUMBER 6-1-1 DRAFT Net Catch Summary by Numbers for GN Standard gill net sets Abbr Species Number of Sets: 2 First Set Date: 8/27/218 Last Lift Date: 8/29/218 Target Species: N/A BIB Bigmouth Buffalo BLB Black Bullhead 129 BLC Black Crappie 5 CAP Common Carp 11 FRD Freshwater Drum 1 WAE Walleye WHC White Crappie YEP Yellow Perch 29 Net Catch Summary by Weight for GN Standard gill net sets Quartiles for Lake Class 3* Total Fish Number Per Set 25% 5% 75% Total Fish/Set: 2..75 2.58 6.96 6.5 3.3 75.58 15.62 2.5 1.1 3.71 13.75 5.5 1. 3.33 13.75 52..5 2.56 8.33 9.5 2.28 6.83 18.6 9.5.5 2. 8.2 1.5 2.65 8. 25. 16. * Quartiles for Number Per Set Abbr BIB BLB BLC CAP FRD WAE WHC YEP Species Bigmouth Buffalo Black Bullhead Black Crappie Common Carp Freshwater Drum Walleye White Crappie Yellow Perch Total Weight (Pounds) 1.28 5.22 2. 58.83 27.62 31.86 3.63.65 Total Pounds Fish/Set: Pounds Per Set 2.6 22.61 1. 29.1 13.81 15.93 1.82 2.32 Mean Quartiles for Lake Class 3* Weight 25% 5% 75% 1.32.35. 5.35.27 1.68..16 N/A.17.16.81. 1.1.15.13 N/A.26.25 1.98.82 1.53.21.21 17.55 * Quartiles for Mean Weight N/A.39.35 3.7 1.67 2.3.32.31 Page 3
DRAFT Net Catch Summary by Numbers for TN STANDARD SURVEY DATED 8/27/218 FOR DOW NUMBER 6-1-1 Standard 3/-in mesh, double frame trap net sets Abbr Species Number of Sets: 9 First Set Date: 8/27/218 Last Lift Date: 8/29/218 Target Species: N/A BIB Bigmouth Buffalo 6 BLB Black Bullhead 5 BLC Black Crappie 231 CAP Common Carp 28 FRD Freshwater Drum 57 WAE Walleye 37 WHC White Crappie 122 WTS White Sucker 2 YEP Yellow Perch 36 Net Catch Summary by Weight for TN Quartiles for Lake Class 3* Total Fish Number Per Set 25% 5% 75% Total Fish/Set: Standard 3/-in mesh, double frame trap net sets.67.17.38 1. 5.56 11.5 2. 132.61 25.67 1.17.88 2.5 3.11 1. 2. 5.51 6.33.23.92 3.25.11.5 1.33 2.95 13.56.25 1.83 5.96.22.3.88 2.58..33 1.37 3.76 63.22 * Quartiles for Number Per Set Abbr BIB BLB BLC CAP FRD WAE WHC WTS YEP Species Bigmouth Buffalo Black Bullhead Black Crappie Common Carp Freshwater Drum Walleye White Crappie White Sucker Yellow Perch Total Weight (Pounds) 1.92 17.32 87.9 169.3 23.7 9.8 28.1 2.36 6.6 Total Pounds Fish/Set: Pounds Per Set.66 1.92 9.72 18.83 2.61 5.53 3.12.26.73 Mean Quartiles for Lake Class 3* Weight 25% 5% 75% 6.99.35.38 6.5.1 1.35.23 1.18.18 2.56.18.22 1.2.28.82.27 1.5.11 3.75.28.3 2.92.6 1.. 1.7.18 7.39 * Quartiles for Mean Weight 5.83..5.58.95 2.28.63 2..3 Page
STANDARD SURVEY DATED 8/27/218 FOR DOW NUMBER 6-1-1 DRAFT Length Frequency Distribution for GN Standard gill net sets (Field work conducted between 8/27/218 and 8/29/218) BIB BLB BLC CAP FRD WAE WHC YEP < 3. - - - - - - - - 3. - 3.9 - - - - - - 1-3.5-3.99 - - - - - - - -. -.9 - - - - 1 - - -.5 -.99 - - - - - - - - 5. - 5.9 - - - - 13 - - - 5.5-5.99 - - - - 7 - - 6 6. - 6.9-2 2 - - - 2 6.5-6.99-3 - - - - 2 7. - 7.9-5 - - - - 1 7.5-7.99-11 - - - 1 6 8. - 8.9-37 - - 2-1 3 8.5-8.99-18 - - 25 - - 1 9. - 9.9-2 - 2-2 1 9.5-9.99-2 - - - 1 - - 1. - 1.9-8 2-7 2 - - 1.5-1.99-2 - - 1 - - - 11. - 11.9 - - - - 7 - - - 11.5-11.99 - - - - 2 - - - 12. - 12.99 - - - - 1 - - - 13. - 13.99 - - - - - 2 - - 1. - 1.99 - - - - - 2 - - 15. - 15.99 - - - - - 3 - - 16. - 16.99 - - - - - 2 - - 17. - 17.99 - - - - - 2 - - 18. - 18.99 1 - - - - - - -. -.99 - - - - - - - - 2. - 2.99 1 - - - - 3 - - 21. - 21.99 - - - 3-2 - - 22. - 22.99 - - - 2 - - - - 23. - 23.99 - - - - - - - - 2. - 2.99 - - - - - - - 25. - 25.99 - - - 2 - - - - 26. - 26.99 1 - - - - - - - 27. - 27.99 - - - - - - - - 28. - 28.99 - - - - - - - - 29. - 29.99 - - - - - - - - 3. - 3.99 1 - - - - - - - 31. - 31.99 - - - - - - - - 32. - 32.99 - - - - - - - - 33. - 33.99 - - - - - - - - 3. - 3.99 - - - - - - - - 35. - 35.99 - - - - - - - - = > 36. - - - - - - - - Total Min. Length Max. Length Mean Length # Measured No Lengths for BIB BLB BLC CAP FRD WAE WHC YEP 18.86 3.12 2.18 129 6.38 1.87 8.76 129 6 6.22 1.2 9.3 1 11 21.5 25.79 23.5 11 13.5 12.99 8.52 11 3 9.53 21.3 16.8 3.11 9.21 7.18 29 5.79 9.13 7.1 29 Note: Unless all fish were measured in the catch, totals shown for some length-frequency distributions may differ from the total number of fish in the catch, due to rounding of fractions used in the estimation of length frequency from a subsample of measured fish. Page 5
DRAFT Length Frequency Distribution for TN STANDARD SURVEY DATED 8/27/218 FOR DOW NUMBER 6-1-1 Standard 3/-in mesh, double frame trap net sets (Field work conducted between 8/27/218 and 8/29/218) BIB BLB BLC CAP FRD WAE WHC WTS YEP < 3. - - - - - - - - - 3. - 3.9 - - - - - - 3 - - 3.5-3.99 - - - - - - 1 - -. -.9 - - - - - - 2 - -.5 -.99 - - - - - - - - - 5. - 5.9 - - - - 2 - - - - 5.5-5.99-1 2 - - - - - 1 6. - 6.9-1 22 - - - 5-5 6.5-6.99 - - 8 - - - 7-5 7. - 7.9-6 2-1 - 5-1 7.5-7.99-7 11 - - 31-8. - 8.9-1 - 17-12 - 3 8.5-8.99-1 1-8 - - 9. - 9.9-3 68-3 1 3-9.5-9.99-1 38-2 1 - - 1. - 1.9-3 16-1 6 2 - - 1.5-1.99-1 1-5 1 - - 11. - 11.9-3 1-1 1 - - - 11.5-11.99 - - - - 1 1 2 - - 12. - 12.99 - - - - 5 - - 1-13. - 13.99 - - - - - - - - 1. - 1.99 - - - - 1 2 - - - 15. - 15.99 - - - 1-5 - 1-16. - 16.99 - - - - 2 7 - - - 17. - 17.99 - - - - - 2 - - - 18. - 18.99 - - - - - 2 - - -. -.99 2 - - 1 - - - - - 2. - 2.99 2 - - 2-2 - - - 21. - 21.99 - - - 1-1 - - - 22. - 22.99 - - - - - 1 - - - 23. - 23.99 - - - 1 - - - - - 2. - 2.99 - - - - 1 - - - 25. - 25.99 - - - 11 - - - - - 26. - 26.99 2 - - 5 - - - - - 27. - 27.99 - - - 1 - - - - - 28. - 28.99 - - - 1 - - - - - 29. - 29.99 - - - - - - - - - 3. - 3.99 - - - - - - - - - 31. - 31.99 - - - - - - - - - 32. - 32.99 - - - - - - - - - 33. - 33.99 - - - - - - - - - 3. - 3.99 - - - - - - - - - 35. - 35.99 - - - - - - - - - = > 36. - - - - - - - - - Total Min. Length Max. Length Mean Length # Measured No Lengths for BIB BLB BLC CAP FRD WAE WHC WTS YEP 6.6 26.2 21.98 6 5 5.83 11.3 8.68 5 229 5.98 11.1 8.67 188 3 28 15.3 28.62 2.63 28 57 5. 16.81 9.79 57 37 9.9 2.9 1.82 37 122 3.35 11.77 7.56 122 2 12.28 15. 13.66 2 36 5.51 9.1 7.2 3 2 Note: Unless all fish were measured in the catch, totals shown for some length-frequency distributions may differ from the total number of fish in the catch, due to rounding of fractions used in the estimation of length frequency from a subsample of measured fish. Page 6
STANDARD SURVEY DATED 8/27/218 FOR DOW NUMBER 6-1-1 DRAFT Other Species Gear Type (1) Other Species (Gender) (2) Total Num Number Measured Length (inches) Min - Mean - Max Number Weighed Weight (pounds) Min - Mean - Max TN Painted Turtle 38 N/A N/A (1) Key to sampling gear abbreviations: TN = Standard 3/-in mesh, double frame trap net sets (2) Gender: If identified and reported. Page 7
DRAFT Approval Dates And Notices STANDARD SURVEY DATED 8/27/218 FOR DOW NUMBER 6-1-1 Date Approved By Windom Area Fisheries Supervisor: Date Approved By Southern Region Fisheries Manager: This DRAFT VERSION of the Lake Survey Report contains preliminary data (as of 8/3/218), and is therefore subject to change at any time. Minnesota Department of Natural Resources By accepting the data in this report, the user agrees the data will be used for personal benefit and not for profit. Any other uses or publication of the data needs the consent of the Department. The Minnesota Department of Natural Resources assumes no responsibility for actual or consequential damage incurred as a result of any user's reliance o the data. Lake Survey Report revision: 21726-RJE. Data Date: 8/3/218 at 7:1 am. Page 8
REPORT OVERVIEW - FOR OFFICE USE ONLY (This page is not part of the Lake Survey Report and should be discarded ) Lake Name: Wilmert (main bay) DOW Number: 6-1-1 Survey Type: Standard Survey Survey ID Date: 8/27/218 OFFICE The following (of 32) report components are not included in this Lake Survey Report: 6. Water Control Structure (Dam) 7. Surrounding Watershed Characteristics, Shoreline Characteristics, and Riparian Landscape Observations² 8. Resorts And Campgrounds USE 9. Fish Spawning Conditions 1. Erosion And Pollution 11. Fish Diseases And Parasites 12. Aquatic Vegetation And Shoalwater Substrates 13. Laboratory Analysis Of Water Chemistry Survey Status: Field Work Complete 1. Water Level History¹ 2. Lake Inlets 3. Additional Inlet Information. Lake Outlets 5. Additional Outlet Information 1. Length At Capture With Last Incremental Length* 15. Back-Calculated Lengths 16. Age Class Frequency Distributions 17. Status Of Fishery And Field Notes 18. Water Quality (Winter Observations) (added to revision 1/21/21). Survey Attachments (added to revision 215622) ONLY ² Effective 3/25/21, the Surrounding Watershed Characteristics, Shoreline Characteristics, and Riparian Landscape ¹ Water Level History report: This data has not yet been migrated into the Fisheries LSM database. On 1/8/29, two additional Water Level History report components (Readings and Station Summary) were added. Observations report component was modified to be included in the Lake Survey report if it did not include any Watershed and Shoreline characteristics and only consisted of Riparian Landscape Observations. * Length At Capture With Last Incremental Length report: The following criteria must be met for a report to be generated: 1. The fish species must have an assigned body scale constant. 2. Fish must have an "official" age assigned. 3. Fish must have a digitized measurement marked for back calculation use. Note: The data source for Length and Age Class Frequency Distribution tables is updated twice daily - once at noon and once overnight. Any changes to the data made before noon on 8/3/218 may not be reflected in the Distribution tables until after 12:3 pm on 8/3/218. FOR OFFICE USE ONLY: As of revision 215622, this page is automatically suppressed on signed versions of this repor (area supervisor, region manager, research biologist, research supervisor, program staff, or program manager signed). Fisheries Lake ID = 3512, Survey ID = 1631182392721 Lake Survey Report revision: 21726. Data Date: 8/3/218 at 7:1 am.