Fish passage monitoring commenced on 4 April 2011 at the Easton and Chain fishways with monitoring ending at both facilities on 1 July, 2011. A minimum of 558 adult American shad passed the Easton fishway in 2011 (Table 1; Figure 1). The passage of the first recorded American shad was on 24 April with shad being recorded through 29 June. At the Easton Dam multiple peaks in passage were observed 24 April through 27 April (n = 79 shad), 25 May through 2 June (n = 228 shad), and 17 June through 18 June (n = 40 shad). Generally passage was sporadic prior to 24 May, with less than 10 individuals observed passing. Throughout June, passage of shad occurred daily although typically less than 10 individuals were observed within each day.

CLICK HERE for the complete report: American Shad Passage through the Easton and Chain Fishways, Lehigh River – Final Report 2011