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9999
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7766
6667
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8877
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999989
9888
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8966
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5567
5544
4333
3344
5566
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5444
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5565
6656
6555
5556
6776
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7776
6677
889
9999
9888
87787
7777
66
566
6667
6688
7778
6666
65545
5666
6877
767
789
98888
21212121202020202020202020202019202020192019191919191819191818181818181818181919191919
20191919
191919181919191919191920202020202121
202020212121212121202121
22222221
23232524252627262727292929302928283034343335332828283537383839 3738362221 2120 212121
21212221
21212121
21212221
2121191919
192019 19
18181919
19181818
17171717
161615
14141211
10
131212
11101010
10101112
1214151515
151516161718192020
21212120
20191920181919202631323231313133343435343434343434322524242424211817171717241719161616161516222425262525242222232322222221212021212120202020202019191819181818181818171918181818161516182119181819171717161516151515151715141516161514141313
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18181818
17171716
141413141312
12121112
11101011
11
1010
101112
1213
1415
171820
20191919
20202423
29333434
34303128
2523303124
30353839393637373434353734333435343434343534323030262525252524232425282726272727272727
2625252525
2424252423212322232322
222322232223222222222222
22232323
232323232527
282928293029292827
27272726272824
2323232323232323232323232323232323232323232323
23 2222222222 2323222222212121212121212222222222212120202020202019202020
2021212122222121 21 2121202020202020202121 22222222
22 212121212122212123222323232324242424 2323242425 2526
35 3535353435 32353838383637 373635
202020
2124
2019
18
1715
131212
11
101010
11121213
1818192019192018181717 1615161615 1615161616 15151615 151616161616 16 1616 161616 16 1616161616 1616161616 16151515 15151519 21 22222121 202121 21 21212121 191919181919 1919191818 181818 1919 2019191918 1818171717 17 151515 1717171616 141315 13
JUNCTION WITH GIWW
807+000807+000
4+004+00
2+002+00
9+009+00
7+007+00
0+000+00
5+005+00
1+001+00
6+006+00
3+003+00
8+008+0011+00
11+00
61+0
061
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59+0
059
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50+0
050
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58+0
058
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51+0
051
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23+0023+0024+00
24+00
42+0042+00
47+0
047
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39+0039+00
16+0016+00
60+0
060
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28+0028+00
43+0043+00
41+0041+00
14+0014+0019+00
19+00
12+0012+00
44+0044+00
62+0
062
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64+0
064
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26+0026+00
32+0032+00
31+0031+00
30+0030+00
29+0029+00
33+0033+00
37+0037+00
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35+0035+00
38+0038+00
36+0036+00
52+0
052
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53+0
0
56+0
056
+00
54+0
054
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57+0
057
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55+0
055
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22+0022+00
20+0020+00
45+0045+00
65+0
065
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63+0
063
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21+0021+00
48+0
048
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40+0040+00
27+0027+00
10+0010+00
17+0017+00
25+0025+00
15+0015+00
13+0013+0018+00
18+00
46+0
046
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49+0
049
+00
95°5
8'30"
W
95°5
9'0"W
28°41'0"N
28°41'0"N
28°41'30"N
28°41'30"N
µ
Colorado River: Mile 0 to Mile 2Colorado River: Mile 0 to Mile 2
")
")
32+00
29+00
101+00
108+
00
52+0
0
80+00
115+
0011
3+00
71+00
141+00
92+00
78+00
16+00
36+00
54+0
0
133+00
34+00
106+
00
66+0
0
89+00
111+0
0
44+00
26+00
130+00127+00
19+00
12+009+007+00
97+0095+00
83+00
76+00
59+0
0
47+0
0
86+00
135+
00139+00
74+00
124+00
50+0
0
4+00
99+00118+
00
23+00
61+0
0
39+00
811+000
810+000
807+000
809+000-11ft.-11ft.
-14ft.-14ft.
C O L O R A D OC O L O R A D OR I V E RR I V E R
G I W WG I W W
M O U T HM O U T HO F T H EO F T H EC O L O R A D OC O L O R A D O
MOUTH OF THEMOUTH OF THECOLORADOCOLORADO
COLORADOCOLORADORIVERRIVER
GIWWGIWWT e x a sT e x a s
U.S. Army Corps of Engineers Galveston District
Dred
ging R
each
Exte
nt
Regio
nal E
xtent
Service Layer Credits: Sources: Esri, HERE, DeLorme, Intermap, increment P Corp.,GEBCO, USGS, FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, OrdnanceSurvey, Esri Japan, METI, Esri China (Hong Kong), swisstopo, MapmyIndia, ©OpenStreetMap contributors, and the GIS User CommunityEsri, DeLorme, GEBCO, NOAA NGDC, and other contributorsSource: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS,USDA, USGS, AeroGRID, IGN, and the GIS User Community
Coordinate System: NAD 1983 StatePlane Texas South Central FIPS 4204 FeetProjection: Lambert Conformal Conic /Datum: North American 1983
NOTES:1. HORIZONTAL COORDINATES ARE REFERENCED TO TEXAS STATE PLANE COORDINATE SYSTEM, SOUTH CENTRAL ZONE NAD83 US SURVEY FEET.2. ELEVATIONS ARE REFERENCED TO MEAN LOWER LOW TIDE (MLLW) DATUM.3. THIS PROJECT WAS DESIGNED BY THE GALVESTON DISTRICT OF THE U.S. ARMY CORPS OF ENGINEERS. THE INITIALS AND SIGNATURES AND REGISTRATION DESIGNATIONS OF INDIVIDUALS APPEAR ON THESE PROJECT DOCUMENTS WITHIN THE SCOPE OF THEIR EMPLOYMENT AS REQUIRED BY ER1110-1-8152.
4. THE INFORMATION DEPICTED ON THIS SURVEY MAP REPRESENTS THE RESULTS OF SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS EXISTING AT THAT TIME. THESE CONDITIONS ARE SUBJECT TO RAPID CHANGE DUE TO SHOALING EVENTS. A PRUDENT MARINER SHOULD NOT RELY EXCLUSIVELY ON THE INFORMATION PROVIDED HERE. REQUIRED BY 33 CFR 209.3255. FOR THE MOST UP TO DATE INFORMATION PLEASE CHECK OUR WEBSITE AT: HTTP://WWW.SWG.USACE.ARMY.MIL/MISSIONS/NAVIGATION/HYDROGRAPHICSURVEYS/6. NOAA BATHYMETRY CONTOURS PRODUCED FROM HISTORIC BATHYMETRIC (HYDROGRAPHIC) SURVEYS CONDUCTED BY THE NOAA NATIONAL OCEAN SERVICE/COAST SURVEY, AVAILABLE FROM THE NATIONAL GEOPHYSICAL DATA CENTER. SURVEYS VARY AS TO SOUNDING DENSITY, ACCURACY OF DEPTH, ACCURACY OF NAVIGATION, ZERO DATUM, DATE OF SURVEY AND TYPE OF INSTRUMENTATION.
0 10.5Miles
Dredging Reach Extent
0 300 600150Feet
Hydrographic Survey Extent
0 - 10 10 - 15 15 - 20 20 - 25 25 - 30 30 - 50NOAA Bathymetry (DREDGING REACH EXTENT)
MLLW
> 1 1 - 3
3 - 5
5 - 7
7 - 9
9 - 11
11 - 1
3
13 - 1
5
< 15
Aids to Navigation_̂ Lights
#* Red Side Aids
") Green Side Aids
XW Mooring Buoy
Channel Features
Channel Dimensions
Channel Center Line
Channel Station Lines HYDR
OGRA
PHIC
SURV
EYU.
S. AR
MY E
NGIN
EER
DIST
RICT
CORP
S OF E
NGIN
EERS
GALV
ESTO
N, TE
XAS
COLO
RADO
_RIVE
RSt
ation
: 0+0
0 to 1
0+50
0Mi
le 0 t
o Mile
2
MATA
GORD
A, TE
XAS
Date
: 9/9/
2017
Mapp
ed by
: m3o
dnrvk
Scale
: 1:2,
400
Addit
ional
Imag
ery: ©
Digi
talGl
obe I
nc.
Side S
lope R
atio:
(Rise
: Run
)
Autho
rized
Dep
th: -1
1ft.
Page
:
1
of
1
6Ma
p:
: Ad
dition
al Inf
o
Surve
y Date
(s):0
9 Sep
tembe
r 201
7
9
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22232323
232323232527
282928293029292827
27272726272824
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272626
24 232222212019 18181718 17
171716161616161515
1516151616 1514141514
1413141414 1413131212
121112 12 13141312
12121111
11121414141514131312 12131515
15141312 1516161616 1415151716 1717181819 1818181717 2019191919 1919192120 2121232222 2222222322 2222222222 2221212120 2221212221 2121212120 2021202121 2121212121 2121212121 2121212121 2222212122 2221212122 2222222323 2323232323 2222222222 2323222222212121212121212222222222212120202020202019202020
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2120202121 2222
21212121 2121212123222323 2323242424
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61+0
061
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058
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50+0
050
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057
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56+0
056
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55+0
055
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52+0
052
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54+0
054
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72+0072+00 68
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68+0
0
69+0
069
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65+0
065
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88+0088+00
92+0092+00
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71+0071+00
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063
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80+0080+0081+00
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048
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90+0090+0091+00
91+00
93+0093+00
70+0070+00
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49+0
049
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111+0
0111
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112+
0011
2+00
110+
0011
0+00
113+
0011
3+0011
5+00
115+
00
114+
0011
4+00
106+
0010
6+00
104+00104+0010
9+00
109+
00
102+00102+00103+00
103+00105+00105+00
100+00100+00101+00
101+00
107+
0010
7+00
108+
0010
8+00
95°5
8'30"
W
95°5
8'30"
W
28°42'0"N
28°42'0"N
28°42'30"N
28°42'30"N
µ
Colorado River: Mile 0 to Mile 2Colorado River: Mile 0 to Mile 2
")
")
40+00
31+00
108+
00
37+00
29+00
142+00
115+
00180+
00
148+00
85+00
178+
00 92+00
173+00
164+00
146+00
144+00
171+00 101+00
78+00
73+00
47+0
0
192+00
195+00 50+0
0
111+0
0
67+0
0
113+
00
189+00
169+00
133+00
89+00
104+00
26+00
130+00128+00
19+00
14+00
9+007+00
83+00
161+00
80+0087+00
166+00 124+00
135+
00
182+
00
187+
0018
4+00
139+00
76+00
98+0096+00
94+00
118+
00
43+00
152+
00
52+0
0
16+00
4+00
155+
00
12+00
62+0
0
23+00
59+0
0
34+00
0+00
810+000
811+000
807+000
809+000-11ft.-11ft.
-14ft.-14ft.
C O L O R A D OC O L O R A D OR I V E RR I V E R
G I W WG I W W
M O U T H O F T H E C O L O R A D OM O U T H O F T H E C O L O R A D O
MOUTH OF THEMOUTH OF THECOLORADOCOLORADO
COLORADOCOLORADORIVERRIVER
GIWWGIWWT e x a sT e x a s
U.S. Army Corps of Engineers Galveston District
Dred
ging R
each
Exte
nt
Regio
nal E
xtent
Service Layer Credits: Sources: Esri, HERE, DeLorme, Intermap, increment P Corp.,GEBCO, USGS, FAO, NPS, NRCAN, GeoBase, IGN, Kadaster NL, OrdnanceSurvey, Esri Japan, METI, Esri China (Hong Kong), swisstopo, MapmyIndia, ©OpenStreetMap contributors, and the GIS User CommunityEsri, DeLorme, GEBCO, NOAA NGDC, and other contributorsSource: Esri, DigitalGlobe, GeoEye, Earthstar Geographics, CNES/Airbus DS,USDA, USGS, AeroGRID, IGN, and the GIS User Community
Coordinate System: NAD 1983 StatePlane Texas South Central FIPS 4204 FeetProjection: Lambert Conformal Conic /Datum: North American 1983
NOTES:1. HORIZONTAL COORDINATES ARE REFERENCED TO TEXAS STATE PLANE COORDINATE SYSTEM, SOUTH CENTRAL ZONE NAD83 US SURVEY FEET.2. ELEVATIONS ARE REFERENCED TO MEAN LOWER LOW TIDE (MLLW) DATUM.3. THIS PROJECT WAS DESIGNED BY THE GALVESTON DISTRICT OF THE U.S. ARMY CORPS OF ENGINEERS. THE INITIALS AND SIGNATURES AND REGISTRATION DESIGNATIONS OF INDIVIDUALS APPEAR ON THESE PROJECT DOCUMENTS WITHIN THE SCOPE OF THEIR EMPLOYMENT AS REQUIRED BY ER1110-1-8152.
4. THE INFORMATION DEPICTED ON THIS SURVEY MAP REPRESENTS THE RESULTS OF SURVEYS MADE ON THE DATES INDICATED AND CAN ONLY BE CONSIDERED AS INDICATING THE GENERAL CONDITIONS EXISTING AT THAT TIME. THESE CONDITIONS ARE SUBJECT TO RAPID CHANGE DUE TO SHOALING EVENTS. A PRUDENT MARINER SHOULD NOT RELY EXCLUSIVELY ON THE INFORMATION PROVIDED HERE. REQUIRED BY 33 CFR 209.3255. FOR THE MOST UP TO DATE INFORMATION PLEASE CHECK OUR WEBSITE AT: HTTP://WWW.SWG.USACE.ARMY.MIL/MISSIONS/NAVIGATION/HYDROGRAPHICSURVEYS/6. NOAA BATHYMETRY CONTOURS PRODUCED FROM HISTORIC BATHYMETRIC (HYDROGRAPHIC) SURVEYS CONDUCTED BY THE NOAA NATIONAL OCEAN SERVICE/COAST SURVEY, AVAILABLE FROM THE NATIONAL GEOPHYSICAL DATA CENTER. SURVEYS VARY AS TO SOUNDING DENSITY, ACCURACY OF DEPTH, ACCURACY OF NAVIGATION, ZERO DATUM, DATE OF SURVEY AND TYPE OF INSTRUMENTATION.
0 10.5Miles
Dredging Reach Extent
0 300 600150Feet
Hydrographic Survey Extent
0 - 10 10 - 15 15 - 20 20 - 25 25 - 30 30 - 50NOAA Bathymetry (DREDGING REACH EXTENT)
MLLW
> 1 1 - 3
3 - 5
5 - 7
7 - 9
9 - 11
11 - 1
3
13 - 1
5
< 15
Aids to Navigation_̂ Lights
#* Red Side Aids
") Green Side Aids
XW Mooring Buoy
Channel Features
Channel Dimensions
Channel Center Line
Channel Station Lines HYDR
OGRA
PHIC
SURV
EYU.
S. AR
MY E
NGIN
EER
DIST
RICT
CORP
S OF E
NGIN
EERS
GALV
ESTO
N, TE
XAS
COLO
RADO
_RIVE
RSt
ation
: 0+0
0 to 1
0+50
0Mi
le 0 t
o Mile
2
MATA
GORD
A, TE
XAS
Date
: 9/9/
2017
Mapp
ed by
: m3o
dnrvk
Scale
: 1:2,
400
Addit
ional
Imag
ery: ©
Digi
talGl
obe I
nc.
Side S
lope R
atio:
(Rise
: Run
)
Autho
rized
Dep
th: -1
1ft.
Page
:
2
of
1
6Ma
p:
: Ad
dition
al Inf
o
Surve
y Date
(s):0
9 Sep
tembe
r 201
7
