Resource Center
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Aquatic Invasive Species| Selection | File type icon | File name | Description | Size | Revision | Time | User |
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A 2013 document that shows Lake Johanna added to the MN DNR official list of "infested waters" for Eurasian Watermilfoil | 607k | v. 2 | Apr 10, 2017, 5:09 AM | Keith Gilbert | |
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2018-09-07 MN DNR Zebra Mussel Infestation Report | 987k | v. 2 | Sep 26, 2018, 7:03 PM | Keith Gilbert | |
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Report from a Sept 2018 EWM survey by Blue Water Science. | 1701k | v. 2 | May 6, 2019, 3:24 PM | Keith Gilbert | |
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An email report from the Rice Creek Watershed district discussing the presence and location of Eurasian Watermilfoil. | 413k | v. 2 | Mar 5, 2020, 8:53 AM | Keith Gilbert | |
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EDD Maps report from the MN DNR about the 6/2016 EWM detection. | 1746k | v. 2 | Nov 28, 2016, 5:48 PM | Keith Gilbert | |
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Map showing EWM infestation from a 2016-10-27 DNR inspection. | 440k | v. 2 | Nov 3, 2016, 7:21 PM | Keith Gilbert | |
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2018-09-13 Zebra Mussel Rapid Response Assessment | 958k | v. 2 | Sep 26, 2018, 7:04 PM | Keith Gilbert | |
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Results from a 6-27-2017 survey for EWM by Clarke. | 880k | v. 2 | Jul 19, 2017, 2:11 PM | Keith Gilbert | |
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Slides from a Zebra Mussel presentation given at the 3-7-2019 LJIS Annual Meeting. | 686k | v. 2 | Mar 12, 2019, 12:35 PM | Keith Gilbert | |
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MN DNR report about the first confirmed discovery of EWM. | 1617k | v. 2 | Nov 28, 2016, 5:50 PM | Keith Gilbert | |
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Zebra Mussel Early Detection, Rapid Response, and Control Plan for Lakes in Ramsey County, Minnesota | 1158k | v. 2 | Mar 23, 2016, 6:30 PM | Keith Gilbert | |
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Zebra Mussel Early Detection Surveys and Habitat Suitability at Twelve Ramsey County Lakes in 2015 | 2646k | v. 2 | Mar 23, 2016, 6:29 PM | Keith Gilbert |
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A Lake Johanna map showing which types of aquatic plants are located where, from a summer 2009 survey by Lake Restoration | 580k | v. 2 | Jan 1, 2016, 3:07 PM | Keith Gilbert | |
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A Lake Johanna map showing which types of aquatic plants are located where, from a spring 2013 survey by Lake Restoration. | 411k | v. 3 | Jan 1, 2016, 3:07 PM | Keith Gilbert | |
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2015 Aquatic Vegetation Point Intercept Survey results from Lake Restoration. | 11684k | v. 2 | Jan 1, 2016, 3:12 PM | Keith Gilbert | |
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2018-08-02 post-spraying report from Clarke | 3174k | v. 2 | Sep 26, 2018, 7:02 PM | Keith Gilbert | |
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A spreadsheet showing the history of Weed spraying on Lake Johanna from 1993 to the present. | Feb 5, 2016, 8:45 AM | Keith Gilbert | |||
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Slides from the Lake Restoration presentation at the 2011 annual member meeting | 369k | v. 3 | Mar 5, 2014, 2:54 PM | Keith Gilbert | |
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MN DNR Lake Vegetation Management Plan for Lake Johanna | 465k | v. 3 | Mar 5, 2014, 2:55 PM | Keith Gilbert | |
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Signature form required by the MN DNR for aquatic plant treatment. | 33k | v. 2 | Feb 13, 2018, 8:15 AM | Keith Gilbert | |
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MN DNR response to questions from LJIS board. | 76k | v. 3 | Mar 5, 2014, 2:55 PM | Keith Gilbert | |
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MN DNR Stakeholder Opinions and Concerns about Managing Aquatic Invasive Plants - Phase 1 Report of Stakeholder Meetings and Open Houses | 630k | v. 3 | Mar 5, 2014, 2:55 PM | Keith Gilbert | |
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Slides about weed treatment from the 2014 Annual meeting | 1144k | v. 2 | Mar 5, 2014, 2:57 PM | Keith Gilbert |
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Bylaws of the Lake Johanna Improvement Society | 92k | v. 2 | Mar 14, 2011, 11:31 PM | Keith Gilbert | |
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LJIS Policy on Conflicts of Interest for Directors and Officers | 551k | v. 2 | Jun 19, 2017, 1:27 PM | Keith Gilbert |
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2017 Canada Goose Management Plan, required by the MN DNR for a goose removal permit. | 179k | v. 2 | Jul 21, 2017, 4:46 AM | Keith Gilbert |
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284k | v. 2 | Mar 2, 2013, 9:04 AM | Keith Gilbert | ||
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64k | v. 3 | Apr 10, 2017, 5:08 AM | Keith Gilbert | ||
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36k | v. 2 | Mar 5, 2014, 2:49 PM | Keith Gilbert | ||
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21k | v. 2 | Feb 29, 2016, 4:19 AM | Keith Gilbert | ||
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419k | v. 2 | Jul 1, 2017, 5:44 PM | Keith Gilbert |
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A brief history of Arden Hills from a 1971 League of Women Voters publication. | 1162k | v. 2 | Apr 26, 2017, 6:44 PM | Keith Gilbert | |
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The history of Lake Johanna, written by former resident Dave Carlson. | 104k | v. 2 | Mar 5, 2014, 2:46 PM | Keith Gilbert |
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A map of Lake Johanna from 1950. | 176k | v. 2 | Apr 26, 2017, 6:45 PM | Keith Gilbert | |
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Old map showing area to be treated for weeds in 1956. | 403k | v. 2 | Mar 4, 2014, 7:43 PM | Keith Gilbert | |
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Map showing the dimensions of the no wake zone on Lake Johanna | 131k | v. 2 | Jun 16, 2017, 7:57 AM | Keith Gilbert |
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2010-01-20 board meeting minutes | 59k | v. 2 | Mar 7, 2011, 7:23 PM | Keith Gilbert | |
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2010-03-02 board meeting minutes | 18k | v. 2 | Mar 7, 2011, 7:23 PM | Keith Gilbert | |
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2011-01-24 board meeting minutes | 59k | v. 2 | Mar 7, 2011, 7:23 PM | Keith Gilbert | |
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2011-03-10 annual member meeting minutes | 42k | v. 2 | Mar 11, 2011, 7:45 AM | Keith Gilbert | |
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2011-03-10 board meeting minutes | 54k | v. 2 | Mar 14, 2011, 11:30 PM | Keith Gilbert | |
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2012-02-23 board meeting minutes | 70k | v. 3 | Mar 27, 2012, 7:15 PM | Keith Gilbert | |
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2012-03-27 board meeting minutes | 57k | v. 3 | Apr 3, 2012, 5:17 AM | Keith Gilbert | |
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2016-01-29 board meeting minutes | 50k | v. 2 | Feb 5, 2016, 2:23 PM | Keith Gilbert | |
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2016-09-21 board meeting minutes | 24k | v. 2 | Nov 3, 2016, 7:21 PM | Keith Gilbert | |
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2016-12-13 board meeting minutes | 17k | v. 2 | Dec 13, 2016, 6:57 AM | Keith Gilbert | |
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2017-02-02 board meeting minutes | 27k | v. 2 | Feb 3, 2017, 3:41 PM | Keith Gilbert | |
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2018-01-29 board meeting minutes | 25k | v. 2 | Jan 29, 2018, 7:17 PM | Keith Gilbert | |
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2018-09-06 board meeting minutes | 36k | v. 2 | Oct 31, 2018, 12:48 PM | Keith Gilbert | |
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2018-10-30 board meeting minutes | 53k | v. 2 | Oct 31, 2018, 12:49 PM | Keith Gilbert | |
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2019-02-19 board meeting minutes | 71k | v. 2 | Feb 19, 2019, 6:05 PM | Keith Gilbert |
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Various documents in chronological order showing secchi disk readings, plant management activity, fish counts, and water chemistry between 1950 and 1982 on Lake Johanna. | 8921k | v. 3 | Jun 20, 2017, 7:47 AM | Keith Gilbert | |
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1957-1962 documents showing water quality measurements, weed control efforts on Little Johanna. | 2873k | v. 3 | Jun 20, 2017, 7:47 AM | Keith Gilbert | |
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1971-1983 total phosphorus, chlorophyll, and secchi disk data for Lake Johanna | 740k | v. 2 | Jun 16, 2017, 7:49 AM | Keith Gilbert | |
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A 1985 Survey of the Water Quality of 32 Metropolitan Area Lakes (including Lake Johanna) | 9145k | v. 2 | Jun 22, 2017, 6:47 AM | Keith Gilbert | |
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1994 MN DNR Survey report about Lake Johanna | 368k | v. 2 | Jun 19, 2017, 1:20 PM | Keith Gilbert | |
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2000 Lake Johanna watershed reconnaissance report | 2074k | v. 2 | Jun 16, 2017, 7:58 AM | Keith Gilbert | |
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2007 Southwest Urban Lakes Study that includes Lake Johanna water quality data and analysis | 6568k | v. 4 | Jun 16, 2017, 7:50 AM | Keith Gilbert | |
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"Lake Johanna Contaminants of Concern" presentation by Summer Streets, MPCA at the 2016 LJIS annual member meeting. | 28k | v. 3 | Mar 10, 2017, 6:02 PM | Keith Gilbert | |
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Lake Johanna water quality presentation from the 2017 spring member meeting by Matt Kocian from the Rice Creek Watershed District. | 9861k | v. 2 | Mar 10, 2017, 6:03 PM | Keith Gilbert | |
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StarTribune reprint of 4-11-2017 article about salt levels in metro-area lakes | 195k | v. 2 | Apr 17, 2017, 6:47 PM | Keith Gilbert | |
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Chart showing Chloride concentrations in Lake Johanna from 1987-2016. | 37k | v. 2 | Apr 17, 2017, 6:45 PM | Keith Gilbert | |
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Ramsey Conservation District 2017 Comprehensive Plan | 5697k | v. 2 | Apr 17, 2017, 6:57 PM | Keith Gilbert | |
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Slides from a 2017-03-30 presentation on water quality in Ramsey County. | 9910k | v. 2 | Apr 17, 2017, 7:00 PM | Keith Gilbert |