FP3 spans the area beginning at Clover Hill Road to Marion Road. This section of Fort Pond Brook was observed to be comprised of approximately 75% rapidly moving water, and 25% pools. There were a few locations of surface obstructions that consisted of downed trees; and trash was observed mainly along River Street.
Two main tributaries were observed: (1) a spring that appeared to originate next to the Boston and Main Railroad tracks approximately at the intersection of River Street and Parker Street, and (2) Pratts Brook which enters approximately across the brook from the intersection of Carriage Drive and River Street. Both of these tributaries were flowing during the survey. Storm water catch basins were observed at the intersection of Carriage Drive and River Street. One outfall was located downstream of the stone bridge east of Carriage Drive, and was observed to be flowing during the survey.
The overall character of the Brook was good, however a foam-like substance did appear at the water surface. The foam is an off-white color and was observed to be more than 6 inches in height where it became trapped in vegetation in the current along the surveyed area. The foam did not break up after agitation with a twig.
This foam is the reason we volunteered to be a part of the survey staff because it is disturbing to see it collecting and floating down stream. From our observations it did not appear to originate in the vicinity of our survey area because we observed it upstream beyond Marion Road. Have any Fort Pond Brook water samples been collected from this survey area? Investigation of the origin of this foam-like substance and further information regarding the overall health of Fort Pond Brook is needed. That information should be shared with volunteers and with the general public.
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