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Aquatic Invasive Species

Intro to Invasive Quagga Mussels

  Aquatic Invasive Species (AIS) are threatening the public’s angling and boating recreation and our state’s water and electrical infrastructure.  It is critical for anyone who owns or uses watercraft, or has a business reliant on watercraft, to understand the essential nature of this aquatic invasive species containment effort by the Arizona Game and Fish Department. The spread of quagga mussels and other aquatic invasive species has far-reaching impacts, both financial and ecological, that can touch virtually every resident of the state.  Whether you fish, or boat, or simply get water and electricity to your home, these aquatic invaders WILL affect your lifestyle…and possibly your wallet.
Aquatic Invasive Species are defined in state statute {A.R.S. §17-255} as: “…any aquatic species that is not native to the ecosystem under consideration and whose introduction or presence in this State may cause economic or environmental harm or harm to human health.”  {A.R.S. §17-255.1}.  It does not include, “...any non-indigenous species lawfully of historically introduced into this State for sport fishing recreation.” {A.R.S. §17-255.2(a)}
  Arizona’s Aquatic Invasive Species (AIS) Interdiction Act (HB2157) was approved and signed into law in July of 2009.  This legislation created a mechanism for the State of Arizona to statutorily address invasive species in the aquatic environment, administered through the Arizona Game and Fish Department.  The AIS Interdiction Act also provided for the establishment of the Department’s AIS Program, along with the creation of AIS “Director’s Orders” and associated watercraft cleaning/decontamination protocols.   The current AIS Director’s Orders are in effect as of July 1, 2013.  Note the area to the right called “Current AIS Resources” for further information.

Current Aquatic Invasive Species Program Events/Meetings

Contacts: Tom McMahon at 623 236-7271; Kami Silverwood at 623 236-7608

Don't Move a Mussel - What it Really Means


  • Hazard Analysis Critical Control Point (HACCP) Plan Development Training
       AGFD Main Office - Roadrunner Room
    October 13 & 14, 2015
  • Watercraft Inspection Training (WIT Level II) – OPEN to interested public
    To signup for this class, please visit
  • Agenda's or information contact Dee Davis or Kami Silverwood    

    Lake Mead (PSMFC/AZGFD sponsored)

    March 24 & 25, 2015
    April 21 & 22, 2015


    September 22 & 23, 2015
    October 20 & 21, 2015
    November 17 & 18, 2015

    Lake Pleasant - First day in the Eagle Room, AGFD Main Office
    October 6 & 7, 2015, 8:30-4 (both days)



Current Arizona Game and Fish Department Director’s Orders
signed, approved and filed with the Secretary of State as of July 1, 2013

AZ Map of Listed Species

Director’s Order's #1, 2 & 3

List of aquatic invasive species (AIS)

  •  Quagga & Zebra Mussel
  •  Rusty Crayfish
  •  Red Claw Crayfish
  •  New Zealand mudsnail
  •  Didymo, a.k.a. rock snot
  •  Giant Salvinia
  •  Asian Carp (Silver, Black, Bighead)
  •  Apple Snail
  •  Snakehead
  •  Whirling Disease
  •  Largemouth Bass Virus (LMB Virus)

List of AIS affected waters

  •  Lake Powell - QM 
  •  Lake Mead - QM, NZM
  •  Lake Mohave - QM, NZM
  •  Lake Havasu - QM, Didymo
  •  Lower Colorado River below Lake Havasu to Mexico - QM, GSalv, Apple
  •  Lake Pleasant - QM, LMBV
  •  Lee's Ferry - NZM, WD
  •  Lower Salt/ Verde River - Apple
  •  Bartlett, Saguaro, Roosevelt Lakes - LMBV

Mandatory Conditions for Movement

The mandatory conditions for watercraft and boating equipment differ for Day Users (watercraft in listed AIS affected waters for 5 days or less) and Long Term or Moored Watercraft (watercraft in listed AIS Affected Waters for more than 5 days). All equipment (angling and boating) used in listed AIS affected waters should be "Clean, Drain & Dry" before using in any other water. Refer to boat cleaning protocols, under Current AIS Resources.



Current AIS Resources

Director’s Order #1,2 & 3
-List of aquatic invasive species for Arizona
-List of waters where aquatic invasive species are present
-Mandatory conditions for movement of watercraft

State AIS Plan
-Aquatic Invasive Species Management Plan

Boat Cleaning Protocols
-Watercraft Decontamination Protocols

Required Boat Inspection Form (AISBIR)
-AIS Boat Inspection Report Fillable Form [PDF]

-Don't Move a Mussel - What it Really Means
AIS Rules (Pull your plug!)
-Rule-Article 11 Aquatic Invasive Species
-2011 Fishing/Quagga Outreach Survey Report
-2012 Fishing/Quagga Outreach Survey Report
-2013 AIS Boating/Angling Report
Arizona AIS Risk Analyses
quagga mussel
zebra mussel
rusty crayfish
red claw crayfish
New Zealand mudsnail
rock snot, a.k.a. Didymo
giant salivinia
apple snail
asian carp
whirling disease
largemouth bass virus
(LMB Virus)
Additional AIS Resources
-Arizona's Aquatic Invasive Species Interdiction Act of 2009
-10 Most Unwanted Arizona Invasive Species
-Quarantine/dry time estimator for mussel-affected boats
-Defending Favorite Places(Video)
-quagga/ zebra mussel facts and impacts (1)
-watercraft inspection/ decontamination (2)
-Playing Smart Against Invasive Species (Video)
-Asian Carp (video)
-Zebra, Quagga Mussles (video)
-Boat Decontamination (video)
Downloads [More]
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