The Collaborative International Dictionary of English v.0.48:

deep-water \deep-water\ adj.
   1. having waters of great depth; as, a deep-water port.
      [WordNet 1.5]

   2. carried on in waters of great depth.

   Syn: deep-sea.
        [PJC]

WordNet (r) 3.0 (2006):

deep-water
    adj 1: of or carried on in waters of great depth; "a deep-water
           port"

U.S. Gazetteer Places (2000):

Deepwater, MO -- U.S. city in Missouri
   Population (2000):    507
   Housing Units (2000): 248
   Land area (2000):     0.853685 sq. miles (2.211033 sq. km)
   Water area (2000):    0.001304 sq. miles (0.003377 sq. km)
   Total area (2000):    0.854989 sq. miles (2.214410 sq. km)
   FIPS code:            18730
   Located within:       Missouri (MO), FIPS 29
   Location:             38.260230 N, 93.775217 W
   ZIP Codes (1990):     64740
   Note: some ZIP codes may be omitted esp. for suburbs.
   Headwords:
    Deepwater, MO
    Deepwater