This program loans out Hydrolab DS5 sondes to collect water quality data. Each data sonde contains seven sensors, measuring:

• dissolved oxygen
• conductivity
• pH
• turbidity
• chlorophyll a
• depth
• temperature

For more information about equipment, water quality parameters, sharing data, curriculum ideas and equipment reservation, please visit: http://www.limnoloan.org or contact Kristin Tepas at 312-886-6224 or ktepas@illinois.edu