Iowa DNR Fisheries Secchi Disk Program
 Data Entry Form

Date of Monitoring  
(e.g., 04/24/2000; needs to be entered in this format)   
 Time of Monitoring    

Name of Volunteer Monitor  - 
Name of Lake  -  Select county where lake is located.  
Weather (Check all that apply) 


Partly Sunny      Cloudy     Rain/Snow   
Air Temperature  (degrees Fahrenheit)           
Precipitation over the last 24 hours (inches; do not enter text)       

Wind Direction (select one) 
Wind Speed (select one)   

Secchi Disk Depth (meters)      
 *If disk hit bottom while still visible, record depth here (meters)

Water Color Scale (check one nearest to color)  


Other Assessment Observations and Notes