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Overview
Basics
Basics
Bottom barriers, diver-assisted suction removal and hand-pulling were used to control plants in the marina. In addition, the League to Save Lake Tahoe provided homeowners with Eyes on the Lake training to learn how to identify and report aquatic invasive plants. Effectively controlling plant fragments from entering the marina from Lake Tahoe continues to be a challenge. A bubble curtain was installed in 2021 at the mouth of the marina to reduce invasive aquatic plant fragments from re-infesting the area and to protect the investment. Fragments that entered the marina prior to installation of the bubble curtain have grown and another phase of treatment is needed.
Implementation
2016
2018
2027
$350,000
Emily Justice (ejustice@trpa.gov)
08/11/2016
02/18/2025
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| Location Information | Location Notes |
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Organizations
Organizations
EIP Details
EIP Basics
EIP Basics
01.03.01.0018 - Elk Point Marina Aquatic Invasive Plant Control
This project is on the EIP 5-year list.
Performance Measures
Expected Performance Measures
Expected Performance Measures
No expected performance measures set for this project.
Reported Performance Measures
Reported Performance Measures
| Acres Treated for Invasive Species | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Total | Units | |
| Invasive Species Type | |||||||||
| Aquatic | 0.4 | 0.4 | 0.25 | 0 | 0 | 0 | 0 | 1.05 | acres |
| Total | 0.4 | 0.4 | 0.25 | 0 | 0 | 0 | 0 | 1.05 | acres |
| Acres of Invasive Species Inventoried | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 | Total | Units | |
| Invasive Species Type | |||||||||
| Aquatic | 0.5 | 0.5 | 0.5 | 0 | 0 | 0.4 | 0 | 1.9 | acres |
| Total | 0.5 | 0.5 | 0.5 | 0 | 0 | 0.4 | 0 | 1.9 | acres |
Funding
Expected Funding
Expected Funding
$350,000
$101,425
$248,575
| Total | |||
|---|---|---|---|
| Elk Point County Club Homeowners Association Funds (Elk Point HOA) | $31,685 | $31,685 | $0 |
| Lake Tahoe License Plate Program (NDSL) | $45,740 | $45,740 | $0 |
| Lake Tahoe Restoration Act (TRPA) | $18,000 | $18,000 | $0 |
| League to Save Lake Tahoe (League) | $3,000 | $3,000 | $0 |
| Tahoe Fund (Tahoe Fund) | $3,000 | $3,000 | $0 |
| Grand Total | $101,425 | $101,425 | $0 |
Reported Expenditures
Reported Expenditures
| Total | 2024 | 2023 | 2022 | 2021 | 2020 | 2019 | 2018 | 2017 | 2016 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Elk Point County Club Homeowners Association Funds | $42,235 | $13,035 | $0 | $0 | $16,450 | $6,900 | $2,600 | $3,250 | $0 | $0 |
| Lake Tahoe License Plate Program | $41,800 | $0 | $0 | $3,000 | $1,500 | $13,700 | $11,100 | $12,500 | $0 | $0 |
| Lake Tahoe Restoration Act | $15,126 | $0 | $3,000 | $0 | $11,526 | $600 | $0 | $0 | $0 | $0 |
| League to Save Lake Tahoe | $4,000 | $0 | $0 | $0 | $4,000 | $0 | $0 | $0 | $0 | $0 |
| Tahoe Fund | $3,000 | $0 | $0 | $0 | $3,000 | $0 | $0 | $0 | $0 | $0 |
| Grand Total | $106,161 | $13,035 | $3,000 | $3,000 | $36,476 | $21,200 | $13,700 | $15,750 | $0 | $0 |
Photos
Aerial (drone) View of Eurasian watermilfoil in Elk Point Marina, Zephyr Cove, Nevada, July 2017
(Timing: Before) (~8,743 KB)
Curlyleaf pondweed detections at Elk Point Marina, Zephyr Cove, NV, 2016
(Timing: Before) (~464 KB)
Early Detection and Rapid Response survey and removal of Eurasian watermilfoil July-September 2017, Glenbrook to Round Hill, NV. Note all detections north of the Marina
(Timing: Before) (~224 KB)
Enlarged view of infestations removed north of Elk Point Marina, July-September 2017, Glenbrook to Round Hill, NV.
(Timing: Before) (~227 KB)
Diver hand-removing newly rooted aquatic invasive plants following treatment, Elk Point Marina, Zephyr Cove, NV, April 2020.
(Timing: During) (~383 KB)
View of Elk Point Marina facing Lake Tahoe, Zephyr Cove, NV, 2022
(Timing: During) (~11,065 KB)
Elk Point Marina Bubble Curtain "Otto" Alert interface
(Timing: During) (~273 KB)
Other Details
Watersheds
No watersheds set for this project.
Threshold Categories
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Update
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Update
Local and Regional Plans
Related Projects
Related Projects
01.03.01.0018 - Elk Point Marina Aquatic Invasive Plant Control is associated with following groups of projects.
External Links
No external links entered.
Notes
Notes
| 02/14/2025 3:51 PM | Emily Justice | In 2024, as required per permit ERSP2023-0365, Elk Point HOA made repairs to their bubble curtain equipment and re-established operational status in early August. In November, an alert system was installed to track and alert to bubble curtain malfunctions. Diver conducted hand pulling occurred in the entire marina (approx. 0.5 acres) removing primarily Eurasian watermilfoil and some curlyleaf pondweed. Total gallons of wet plant material removed was 1,344 gallons. |
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| 01/16/2024 10:26 AM | Mollie Hurt | Contracted divers conducted a site assessment of this infestation in August 2023. The data collected in this assessment will assist managers in determining next steps and funding needed for long-term management of this infestation, including continuous operation and maintenance of the existing bubble curtains. | ||
| 03/09/2022 8:05 AM | Mollie Hurt | Aquatic invasive plant fragments that entered marina prior to installation of the bubble curtains and during periods when the bubble curtain is inoperable have rooted in the marina and continue to grow and spread. A coordinated and consistent (funded) effort that includes regularly scheduled underwater plant removal performed by divers is needed to treat the current infestation and maintain a weed-free condition in the marina. | ||
| 03/07/2022 5:32 PM | Mollie Hurt | 2021 expenditures specifically for equipment and installation of the bubble curtains at the entrance to Elk Point Marina were: TRPA/LTRA: $11,526 Elk Point Country Club HOA: $16,450 League to Save Lake Tahoe: $4,000 Tahoe Fund: $3,000 These funds are documented in the Financials section of this EIP Project. |
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| 01/14/2020 4:25 PM | Mollie Hurt | In Fall 2019, divers removed barriers from the marina. In 2020, divers will conduct follow-up treatments using diver-assisted suction removal and hand-pulling to remove any remaining plants. | ||
| 01/15/2019 2:56 PM | Mollie Hurt | In 2018, divers installed barriers over Eurasian watermilfoil throughout Elk Point Marina. Prior to barrier installation, divers hand-pulled all detections of curly-leaf pondweed (Potamegeton crispus). |