Flooding
As with the Millstone River, the Royce Brook can flood to extreme heights. The power of Hurricane Floyd was such that it literally changed the landscape surrounding the creek and deposited much sediment into the lands surrounding it. A resident whose backyard borders Royce Brook estimates that during Hurricane Floyd, the average height in that particular area rose at least 7 feet (2.1 m) - compared to its estimated average at 1-foot (0.30 m). The majority of rainstorms with enough water erode the riverbed and deposit debris and pollution into the river.
A storm on 15 April 2007 deposited over 7 inches (180 mm) of rain into Royce Brook, which was the most recorded since 1882. However, flooding was less severe than during Hurricane Floyd, which deposited approximately 6 to 7 inches (180 mm) of rain, and therefore resulted in less damage than the April flood.
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