As the main river
channel fills and overflows the inner dikes, the overflow water collects
into the first series of parallel channels, and when a height is reached
at which the second dikes are overflowed the water collects into the
third, and so on. This gives an enormous carrying capacity, the limit of
which is approached slowly, and therefore abundant opportunity is
afforded for preparation upon the part of the riparian owner.
The drainage basin of Passaic River is admirably adapted to the
development of the conservation system. At its headwaters in the
mountains of northern New Jersey are numerous sites for reservoirs. The
comparatively limited area draining into Passaic River makes such a
scheme relatively inexpensive. On the other hand there is abundant
opportunity for effective work in removing obstructions and
straightening and deepening the channel of the lower river. So that, all
things considered, the prevention of flood damages in the Passaic Basin
can be best accomplished by a combination of the two general methods
above outlined.
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