REPORT STAGNANT WATERHelp stop the breeding of mosquitoes before it starts! Report stagnant water by calling
265-1500 or log in to our
24 hour contact form. (When the form pops up, click
Category and select
West Nile Virus, then click
Service and select
Report Standing Water, as shown below.)
Either way, our mosquito control personnel will treat stagnant water that shows visible signs of mosquito larva with larvicides that prevent immature mosquitos from reaching adulthood.

TO REPORT A DEAD BIRD OR SQUIRREL, call 877/WNV-BIRD
or 877-968-2473 . . . or to report a dead bird online
click here.
MOSQUITO FISH ARE AVAILABLE on a limited basis for Nevada County residents.
Please visit THIS PAGE for information.
WNV 24-Hour Information Line: 530-470-2676 When the system answers, push these numbers on your telephone keypad. (You do not have to wait for the Welcome message to finish.)- For WNV general prevention information, touch 1961 or click here to read on your screen.
- For general WNV horse information, touch 1962 or click here to read on your screen.
- For the state and local WNV case totals for 2005, 06 and 07, touch 1963 or click here to read on your screen.
- For current local and state WNV information, touch 1964 or click here to read on your screen.
- Touch 1965 for Mosquito Fish giveaway program info or click here to read on your screen.
(Click OK/YES/ACCEPT to any security-related message that pops up.)
A current
Map of West Nile Virus Positive animals in Nevada County is now available. This is a PDF file and requires the Adobe Acrobat Reader. (This is a highly detailed map! If you don't know how to do things like zoom in, move around, or print just a portion, please check our
Working With Acrobat page first.)
CLICK A LINK BELOW for more information about West Nile Virus.