In Somerset County, the flooding was the worst since the remnants of Hurricane Floyd in September of 1999. About 1,600 people were evacuated with Bound Brook, Manville and Somerville among the hardest hit municipalities.|In Bound Brook Borough, about 1,100 homes were evacuated. The downtown Main Street area was hit the hardest, but homes and businesses were also flooded on Talmage Street, Mountain Avenue, Fisher Road, Fairview, Drake and Linden Avenues and Second Street south to the Raritan River. Schools and churches were used as shelters. About 600 people were still in shelters as of April 27th. National Guard troops were mobilized as 300 people were rescued from flood waters. Flood waters reached up to 7 feet on Main Street and flooded many businesses. The historic Brooks Art Center Theater was damaged again. In a similar scene to Floyd in 1999, three homes were destroyed on East Street as firefighters could not make their way through flood waters to extinguish the blaze. The stench of raw sewage, mud and heating oil permeated throughout the flooded areas. Schools reopened on the 25th. That was the same day that the Queens Bridge between Bound Brook and South Bound Brook reopened. |In Manville Borough, homes in the Lost Valley area were flooded up to their first floor. About 300 people were evacuated and 700 homes were damaged by flood waters. In Somerville Borough, about 200 people were evacuated from the areas of South Bridge, East Cliff and Culver Streets. New Jersey State Route 28 was closed, as was U.S. Route 206 in both Somerville and Raritan. In South Bound Brook Borough, the Raritan River and the Delaware and Raritan Canal merged into one. People were evacuated from Canal Street, Finchley Gardens and the Town Oaks Apartments. In Hillsborough Township, six roads were closed and evacuations occurred from homes along the Millstone River. In Branchburg Township, roads near the North and South Branches of the Raritan River were closed through the 16th.|The North Branch of the Raritan River at Raritan was above its 10 foot flood stage from 526 p.m. EDT on the 15th through 1231 p.m. EDT on the 16th. It crested at 13.20 feet at 230 a.m. EDT on the 16th. Farther downstream, the North Branch of the Raritan River at North Branch was above its 12.3 foot flood stage from 345 p.m. EDT on the 15th through 934 a.m. EDT on the 16th. It crested at 15.43 feet at 100 a.m. on the 16th. Farther downstream, the North Branch of the Raritan River at South Branch was above its 7 foot flood stage from 1116 a.m. EDT on the 15th through 502 a.m. EDT on the 17th. It crested at 14.31 feet at 415 a.m. on the 16th. It was the 2nd highest crest on record, second only to the crest from Hurricane Floyd on September 16, 1999. The main stem of the Raritan River at Manville was above its 14 foot flood stage from 744 p.m. EDT on the 15th through 947 a.m. EDT on the 17th. It crested at 22.1 feet at 1200 p.m. EDT on the 16th. It was the 3rd highest crest on record and the highest since the Hurricane Floyd crest on September 16, 1999. Farther downstream, the Raritan River at Bound Brook was above its 28 foot flood stage from 644 p.m. EDT on the 15th through 350 p.m. on the 17th. It crested at 38.38 feet at 1245 p.m. EDT on the 16th. It was the 2nd highest crest on record, second only to the crest from Hurricane Floyd on September 17th, 1999. The Millstone River at Griggstown was above its 10 foot flood stage from 1146 a.m. EDT on the 15th through 720 p.m. EDT on the 18th. It crested at 22.16 feet at 1215 p.m. on the 16th. Farther downstream, the Millstone River at Blackwells Mills was above its 9 foot flood stage from 600 p.m. EDT on the 15th through 724 a.m. EDT on the 18th. It crested at 19.24 feet at 1245 EDT on the 16th. It was the 2nd highest crest on record, second only to the crest from Hurricane Floyd on September 17th, 1999. Farther downstream, the Millstone River at Weston was above its 12.4 foot flood stage from 827 p.m. EDT on the 15th through 131 p.m. EDT on the 16th. It crested at 20.14 feet at 100 p.m. EDT on the 16th. The Pike Run River at Belle Mead was above its 7 foot flood stage from 1204 p.m. EDT on the 15th through 1015 p.m. EDT on the 16th. It crested at 8.95 feet at 630 p.m. EDT on the 15th. The Lamington River at Burnt Mills was above its 9.5 foot flood stage from 1150 a.m. EDT on the 15th through 715 a.m. EDT on the 16th. It crested at 12.1 at 1100 p.m. EDT on the 15th. The Green Brook at Plainfield was above its 8 foot flood stage from 354 p.m. EDT on the 15th through 747 p.m. EDT on the 15th. It crested at 9.52 feet at 630 p.m. EDT on the 15th. The Passaic River at Millington was above its 8 foot flood stage from 848 p.m. EDT on the 15th through 235 a.m. EDT on the 19th. It crested at 9.35 feet at 215 a.m. EDT on the 17th.|Precipitation totals included 6.73 inches in Somerset, 6.27 inches in Hillsboro, and 4.92 at Somerville Airport.