Mike Mackenzie wrote in
Mitchell Holman wrote in
7.130:

The water runway was for testing the Lake
Amphibians that were built there.

Presumably it's no longer in use. Looks rather short and seems to
have buildings across the far end.



according to the airport information its still listed as an active
runway 2530ft long

DWH
Runway 17W/35W
Dimensions: 2530 x 100 ft. / 771 x 30 m
Surface: water
RUNWAY 17W RUNWAY 35W
Traffic pattern: left right
Obstructions: 10 ft. berm 4 ft. berm

Airport info
http://www.airnav.com/airport/DWH

2009 official airport diagram from the FAA
http://204.108.4.16/d-tpp/0904/05457AD.PDF