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Photos from sampling Fresh Pond on March 10, 2014.
Water and Fire Department staff walk in a single file out to make sure that the path taken can support weight.
View of the Walter J. Sullivan Water Purification Plant from the ice.
CWD staff member prepares to drill a hole in the ice.
CWD staff starts to drill a hole through the ice while Fire Department staff watches for safety.
CFD staff measures the depth of the ice sheet. During this event, the ice depth ranged from 12-14 inches, with one fracture measuring 8 inches deep.
CWD staff places the Manta Multiprobe in the water to start recording temperature, pH, dissolved oxygen, and ORP.
Ice at Fresh Pond.
CWD staff carried monitoring equipment to the site on sleds.
View of the Water Purification Plant and Gatehouse from the ice.
CWD staff prepares to drill at the "Deep Hole" monitoring location.
Drilling through the ice to access the water underneath for a temperature and dissolved oxygen profile.
Immediately after drilling, slush would splash up out of the hole. Here the CFD staff is moving the slush out of the way.
Staff carried the multiprobe case and water pump out to the sampling sites on sleds.
Holes drilled in the ice.
Preparing the multiprobe for measuring temperature and dissolved oxygen levels in the water beneath the ice.
CWD staff drilling holes through the ice.
Staff surprised at the ice formation surrounding a leaf that fell on the ice (following picture).
Leaf found frozen in ice. The ice didn't cover the top of the leaf, instead it appears that the leaf melted the layers above it. Why did this happen?
CWD staff member Dave.
CWD staff member Vinny.