Hayden Lake Watershed Improvement District

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  • The District
    • HLWID – District Matters
      • Improvement District vs. Association – What’s the Difference?
      • Privacy Policy
    • Board of Directors
    • Lake Managers
    • Communication and Public Outreach
    • Monthly Meetings
  • The Watershed
    • Blue-Green Algae
    • Citizen Science
    • HLWID – District Matters
      • Improvement District vs. Association – What’s the Difference?
    • Living on Hayden Lake
      • Rights, Permits, etc.: Who to Contact
      • Lake Debris
    • Invasive & Noxious Weeds
      • Curly-Leaf Pondweed
      • Eurasian Watermilfoil
    • Recreation
    • Water Quality
      • Lake Water Quality Studies
      • Hayden Lake Water Quality
      • Idaho Water Quality Standards & Hayden Lake
      • The Eutrophication of Hayden Lake
    • The Watershed
      • Hayden Lake Watershed
      • Honey Badger Project
      • English Point – a Cherished Resource
  • News
  • Contact Us
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Category: Invasive & Noxious Weeds

Invasive and Noxious plants threaten the dynamic ecosystem of the Hayden Lake Watershed. All stakeholders invest considerable time and money into managing these invaders. But there are right ways and wrong ways to do it. Learn how best to care for the aquatic plant life in Hayden Lake and join in the effort to make and keep Hayden Lake invader-free.

Weed Treatment Notice at Sportsman's Access

First Weed Treatment of the ’19 Season

ISDA has scheduled an herbicide application for Curly-leaf Pondweed management throughout the North Arm during the week of April 22.

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April 16, 2019
Jeremey Varley presented at the 2019 Invasive Speecies meeting

Great Community Turn-Out for the Invasive Species Info Meet-N-Greet

On Thursday, March 7, Jeremey Varley from Idaho State Department of Agriculture presented ISDA’s Noxious

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March 18, 2019

Aquatic Herbicide Treatment Cancellation Notice

  Earlier this week, I wrote how the dynamic nature of the lake makes planning

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August 15, 2018
Boy fishing through weeds at sportsmans launch in May

Questions about Phase 3 Milfoil Treatment

Lengthy Post Alert! Today, with input from Kim Holzer (ISDA), Amidy Fuson (IDL), and Todd

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August 13, 2018
Milfoil on Hayden Lake

Hayden Lake’s North Arm to Receive Phase 3 Milfoil Treatment

  ISDA will implement the third phase of planned Milfoil treatment on Hayden Lake next

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August 10, 2018

Milfoil Treatment Continues

Click for full map PDF. View the treatment area in ArcGIS here. Spot-treating along the

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July 24, 2018
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Categories
  • Blue-Green Algae
  • Citizen Science
  • HLWID
  • Invasive & Noxious Weeds
  • Lake Debris
  • Living on Hayden Lake
  • Recreation
  • The Watershed
  • Water Quality

Home

News From the 'Shed

’25 Lake Debris Removal Program – Keeping Hayden Lake Safe and Clean

Hayden Creek Area Closed to Shooting Oct. 21-27 ’24

Cyanobacteria-HAB Advisory Continues – Watch Out!

More news ...

The District

  • About the HLWID
  • HLWID – District Matters
  • Board of Directors
  • Lake Managers
  • Communication and Public Outreach
  • Monthly Meetings
  • About the HLWID
  • HLWID – District Matters
  • Board of Directors
  • Lake Managers
  • Communication and Public Outreach
  • Monthly Meetings

The Watershed

  • Blue-Green Algae
  • Citizen Science
  • HLWID
  • Lake Debris
  • Living on Hayden Lake
    • Rights, Permits, Questions, Concerns: Who to Contact
      • Invasive & Noxious Weeds
  • Recreation
  • The Watershed
  • Water Quality
  • Blue-Green Algae
  • Citizen Science
  • HLWID
  • Lake Debris
  • Living on Hayden Lake
    • Rights, Permits, Questions, Concerns: Who to Contact
      • Invasive & Noxious Weeds
  • Recreation
  • The Watershed
  • Water Quality

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Monday 4/16, 7:00 p.m.

HLWID Monthly Meeting

HLWID's Monthly Meetings will move to teleconferencing in order to ensure the health and safety of our constituents. For 4/16's meeting, dial 641-715-0861 and enter code 398963# at the prompt. This is a public meeting; all are welcome.