In Section 3.3.2 of the draft CARP, water
demand in the CWPA
was shown to exceed the amount
of available water under low-flow
conditions represented by the 7Q10, a common low-flow indicator. Seasonally, the deficits are highest in the
summer, followed by the spring and fall.
Winter has the lowest potential deficit because demands are lowest and
water availability is relatively high. On an average daily basis, the
largest deficits are found in the Upper Rock sub-watershed and the smallest
deficits are found in the Upper Marsh sub-watershed. Future growth is expected to exacerbate this
problem.
Comments
on the water availability section and any other CARP section are welcome and
can be submitted via email (marshrockpa@gmail.com), phone (301.274.8116), or at
the upcoming July 11 combined CAAC and Potomac Regional Committee meeting.
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