Environmental Protection and Sustainability
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The black and white colors on the Secchi Disk disappear as it is lowered into the water.

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

Secchi Monitoring Field Data Form

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.

Field Data Online Form

Fields marked with >> are required.
Site Information
Contact Information
Sampling Results
(hh:mm, military time)
Secchi Depth (m)
(average of Depth 1 and Depth 2)
Weather Information
(°C)
(°C)
(MPH)

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 EPS
105 W. Chesapeake Ave. Ste. 400
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

Revised March 1, 2011