News
Member Dues and Voting - CLAPA bylaws require that attendees should be paid up members in order to vote. If you are not a current member, we look forward to your future support. Membership Dues and Donations schedule
Website - Since early 2020 we have been updating our website. We trust you will find it very informational regarding activiites on Contoocook Lake, and if you have any suggestions for future news, pictures, and information, please forward them to the board at our email address: clapalake@gmail.com.
Boating Regulations - This summer a number of Contoocook Lake residents have expressed concern over the lack of respect from certain motorboat and PWC users towards other lake boaters, kayakers, swimmers, sailors, fishermen, etc. relative to following NH boating regulations. For everyone's education, we have included on this website, a summary of these regulations relative to Contoocook Lake in addition to the NH Boating Regulations themselves.
Algae in Contoocook Lake - We have received a number of concerning questions regarding the presence of algae in Contoocook Lake. It's a natural occurrence and an educational article has been written to help us understand what types of algae are safe or harmful to humans, fish, and wildlife. Please review this article and follow up accordingly on any harmful sightings.
Lake Lowering - Each fall the Jaffrey DPW lowers the water level of Contoocook Lake for the winter months. This is a good time for all lakefront residents to clean up their beaches from debris, leaves, and other vegetation that could effect water quality. This year the lake will commence lowering on Friday, October 23, 2020.
Elections - There have been a few changes to the slate of CLAPA officers and directors for 2020/2021. See the new Contact list.
Fundraisers - Several fundraisers are being promoted to support our organization. Currently, we have Logo Tshirts and Sweatshirts available for purchase with logo design by CLAPA member, Linda Harris. Additionally, we are promoting some beautiful handmade burnt wooden plaques made by CLAPA member, Candy Phillips. Click on the appropriate pictures below to see more items and information about purchasing. Thank you for your support!
Member Dues and Voting - CLAPA bylaws require that attendees should be paid up members in order to vote. If you are not a current member, we look forward to your future support. Membership Dues and Donations schedule
Website - Since early 2020 we have been updating our website. We trust you will find it very informational regarding activiites on Contoocook Lake, and if you have any suggestions for future news, pictures, and information, please forward them to the board at our email address: clapalake@gmail.com.
Boating Regulations - This summer a number of Contoocook Lake residents have expressed concern over the lack of respect from certain motorboat and PWC users towards other lake boaters, kayakers, swimmers, sailors, fishermen, etc. relative to following NH boating regulations. For everyone's education, we have included on this website, a summary of these regulations relative to Contoocook Lake in addition to the NH Boating Regulations themselves.
Algae in Contoocook Lake - We have received a number of concerning questions regarding the presence of algae in Contoocook Lake. It's a natural occurrence and an educational article has been written to help us understand what types of algae are safe or harmful to humans, fish, and wildlife. Please review this article and follow up accordingly on any harmful sightings.
Lake Lowering - Each fall the Jaffrey DPW lowers the water level of Contoocook Lake for the winter months. This is a good time for all lakefront residents to clean up their beaches from debris, leaves, and other vegetation that could effect water quality. This year the lake will commence lowering on Friday, October 23, 2020.
Elections - There have been a few changes to the slate of CLAPA officers and directors for 2020/2021. See the new Contact list.
Fundraisers - Several fundraisers are being promoted to support our organization. Currently, we have Logo Tshirts and Sweatshirts available for purchase with logo design by CLAPA member, Linda Harris. Additionally, we are promoting some beautiful handmade burnt wooden plaques made by CLAPA member, Candy Phillips. Click on the appropriate pictures below to see more items and information about purchasing. Thank you for your support!
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Milfoil Update -
It has been two years since we approved and applied the chemical ProcellaCor into Contoocook Lake during August of 2018. Since that time, we experienced almost total elimination of variable milfoil during the period of 2019 and YTD 2020. Although we contracted Solitude Lake Mgm’t to chemically treat only 29 acres of the lake on 8/27/2018, from the County Road boat launch through the river channel and east to a boundary line from Breezy Point to Cochrane Cove, the results of the latter chemical treatment continue to demonstrate a 95% elimination of milfoil throughout the entire 344 acres of Contoocook Lake. The latter amazing result is assumed to be related to the chemical ProcellaCor, traveling through surface water currents, eastward during the day of treatment.
This year, the NHDES surveyed Contoocook Lake on June 17th and sighted only three milfoil plants, which were located in Woodbound Cove. Consequently, we hired AB Aquatics to harvest these plants on July 2nd. Per their one day harvest, an AB aquatics DASH unit with one diver pulled 18 plants from the lake, 16 in the Woodbound Cove area and 2 in the Jowders Cove area. Plants ranged from inches to six feet in length. To assure continued elimination of milfoil for 2020, we have hired AB Aquatics to again return to Contoocook Lake by the end of August and continue a two day survey and harvest any sightings of milfoil plants.
Meanwhile, the combination of NHDES, AB Aquatics and Solitude Lake Management has profoundly reduced the level of milfoil in Contoocook Lake; however, most critical in the future are our local "weed watchers". Please, as you travel around the lake in your various aquatic vehicles, if you see plant growth of milfoil, please report it's location ASAP via email to……clapalake@gmail.com.
2018 Milfoil Expense - $31, 948.00 (chemical treatment + diving)
2019 Milfoil Expense - $8,154.25 (diving only)
2020 Milfoil Expense EST ~ $3,660.00 (diving only)
For 2021, we will review and propose a potential chemical treatment of the Woodbound Cove and adjacent areas north to the Jaffrey beach.
It has been two years since we approved and applied the chemical ProcellaCor into Contoocook Lake during August of 2018. Since that time, we experienced almost total elimination of variable milfoil during the period of 2019 and YTD 2020. Although we contracted Solitude Lake Mgm’t to chemically treat only 29 acres of the lake on 8/27/2018, from the County Road boat launch through the river channel and east to a boundary line from Breezy Point to Cochrane Cove, the results of the latter chemical treatment continue to demonstrate a 95% elimination of milfoil throughout the entire 344 acres of Contoocook Lake. The latter amazing result is assumed to be related to the chemical ProcellaCor, traveling through surface water currents, eastward during the day of treatment.
This year, the NHDES surveyed Contoocook Lake on June 17th and sighted only three milfoil plants, which were located in Woodbound Cove. Consequently, we hired AB Aquatics to harvest these plants on July 2nd. Per their one day harvest, an AB aquatics DASH unit with one diver pulled 18 plants from the lake, 16 in the Woodbound Cove area and 2 in the Jowders Cove area. Plants ranged from inches to six feet in length. To assure continued elimination of milfoil for 2020, we have hired AB Aquatics to again return to Contoocook Lake by the end of August and continue a two day survey and harvest any sightings of milfoil plants.
Meanwhile, the combination of NHDES, AB Aquatics and Solitude Lake Management has profoundly reduced the level of milfoil in Contoocook Lake; however, most critical in the future are our local "weed watchers". Please, as you travel around the lake in your various aquatic vehicles, if you see plant growth of milfoil, please report it's location ASAP via email to……clapalake@gmail.com.
2018 Milfoil Expense - $31, 948.00 (chemical treatment + diving)
2019 Milfoil Expense - $8,154.25 (diving only)
2020 Milfoil Expense EST ~ $3,660.00 (diving only)
For 2021, we will review and propose a potential chemical treatment of the Woodbound Cove and adjacent areas north to the Jaffrey beach.
NH DES Map of Contoocook Lake Milfoil 2020
Click file below to read the full AB Aquatics report for Summer 2020
| harvest_rpt_contoocock_lake__2020.pdf |
References Below: Contookcook Lake Milfoil Map 2018, ProcellaCOR information
| contoocook_treatment_map_2018_draft.pdf |
| contoocook_lake_nh_-_procellaCOR_slides_for_frank_battaglia.pdf |
Volunteer Lake Assessment Program (VLAP) Update:
This program assesses lake water quality, Due to COVID-19, per NHDES guidelines, we will only sample Contoocook Lake during 2020 in June and August.
Note: June 8, 2020 water test results were typical for Contoocook Lake with PH levels slightly low throughout all inlets and Total Phosphorous in line except for Squantum and Taft inlets due to stagnant water in nearby wetlands. Conductivity was also high in the latter inlets.
This program assesses lake water quality, Due to COVID-19, per NHDES guidelines, we will only sample Contoocook Lake during 2020 in June and August.
Note: June 8, 2020 water test results were typical for Contoocook Lake with PH levels slightly low throughout all inlets and Total Phosphorous in line except for Squantum and Taft inlets due to stagnant water in nearby wetlands. Conductivity was also high in the latter inlets.
Click the file below to get more information on the VLAP program from DES.
| vlap_fact_sheet.pdf |
Click on the various files below to see the most recent results of our water testing.
| vlap_results_-_june_2020.pdf |
| summary_-_vlap_lake_report_2019.pdf |
| contoocook_vlap_results_sept_2019.pdf |
| vlap_results_july_12_-_2019.pdf |
| contoocook_2018_vlap_report.pdf |
Click HERE for an article about VLAP and CLAPA in the news!
Shorelines (NH Lakes Association newsletter): Click HERE for the latest monthly issue.
Newsletter from the Loon Preservation Committee (loon.org): Click HERE for the latest monthly issue.