A Secchi disk is used as an indicator of  water clarity.

Welcome to Baltimore County's web based form for the Secchi Disk Monitoring Program. Please enter data directly in the boxes provided. Boxes with an arrow are required information that we must have in order to properly record your data. Paper copies of the Field Data Sheet are available for download and should be used while you are making your measurements.  A Citizens Guide brochure is available for download that outlines the steps for accurate data collection.

Monitoring Site Number
Monitoring Site Description
Name
E-mail«
Telephone Number
Address«
Sampling Results
Day«	-- Select from the following -- Saturday Sunday Monday Tuesday Wednesday Thursday Friday
Date«
Time« (hh:mm, military time)
Secchi Depth (m)
Depth 1«
Depth 2«
Secchi Depth« (average of Depth 1 and Depth 2)
Water Temperature (°C)
Air Temperature (°C)
Weather Observations«	-- Select from the following -- sunny cloudy drizzle rain
Wind Observations«	-- Select from the following -- none slight moderate strong
Wind Speed (MPH)
Wind Direction«	-- Select from the following -- North Northwest Northeast West South Southwest Southeast East
Number of Days Since Last Rain«
Additional Comments
Fields marked with "«" are required.

Field Data Sheet

The field data sheets are available for download (PDF). Use these sheets while you are taking the field measurements. Give your completed field data sheets to your team leader or mail to:

Secchi Monitoring Program
Baltimore County DEPRM
401 Bosley Avenue - Room 416
Towson, MD  21204

Contact Information
Dave Riter, Natural Resource Specialist
Megan Brosh, Natural Resource Specialist
Phone: 410-887-5683
Fax: 410-887-3510
Email: watersheds@baltimorecountymd.gov

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Revised June 20, 2007