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Stream Elevation Sensor 719
720 San Jacinto River @ US 90
Key Map 419S
Sensor ID 719
Sensor Type USGS Radar
Installed 4/20/1983
Top of Bank (TOB) 10.00'
Bottom of Stream -17.50'
Tip of Orifice 31.63'
Measuring Plate 34.26'
External Link USGS
Water Level Forecast Information NWS
Benchmark 31.53'
RM 070135 stamped TXDOT located on the downstream wingwall at the south end of bridge, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.15'
As of July 1, 2007, the elevation datum was changed from 1929 NGVD, 1978 adjustment to the 1988 NAVD, 2001 adjustment.

The Stream Elevation  chart showing Stream Elevation Left series.
Cross Section
Stream Elevation for sensor 719 is 3.31'
Reading on 5/19/2019 1:40 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
7195/19/2019 1:40 PM3.31'
7195/19/2019 1:06 PM3.41'
7195/19/2019 12:34 PM3.52'
7195/19/2019 11:00 AM3.47'
7195/19/2019 10:00 AM3.41'
7195/19/2019 9:30 AM3.29'
7195/19/2019 9:16 AM3.18'
7195/19/2019 9:00 AM3.07'
7195/19/2019 8:46 AM2.95'
7195/19/2019 8:30 AM2.84'
7195/19/2019 8:06 AM2.70'
7195/19/2019 7:52 AM2.60'
7195/19/2019 7:40 AM2.49'
7195/19/2019 7:24 AM2.38'
7195/19/2019 7:12 AM2.27'
7195/19/2019 7:00 AM2.17'
7195/19/2019 6:58 AM2.16'
7195/19/2019 6:46 AM2.05'
7195/19/2019 6:30 AM1.93'
7195/19/2019 6:22 AM1.83'
7195/19/2019 6:04 AM1.71'
7195/19/2019 5:30 AM1.61'
7195/19/2019 3:54 AM1.51'
7195/19/2019 3:18 AM1.63'
7195/19/2019 3:00 AM1.73'
7195/19/2019 2:22 AM1.86'
7195/19/2019 2:04 AM1.96'
7195/19/2019 1:34 AM2.08'
7195/19/2019 1:12 AM2.18'
7195/19/2019 12:40 AM2.30'
7195/19/2019 12:06 AM2.40'
7195/18/2019 11:36 PM2.52'
7195/18/2019 11:00 PM2.65'
7195/18/2019 10:46 PM2.64'
7195/18/2019 8:24 PM2.74'
7195/18/2019 7:30 PM2.85'
7195/18/2019 7:00 PM2.95'
7195/18/2019 6:52 PM2.95'
7195/18/2019 4:48 PM3.06'
7195/18/2019 4:06 PM3.21'
7195/18/2019 4:04 PM3.23'
7195/18/2019 3:48 PM3.23'
7195/18/2019 3:32 PM3.26'
7195/18/2019 3:16 PM3.27'
7195/18/2019 3:00 PM3.28'
7195/18/2019 2:44 PM3.33'
7195/18/2019 2:28 PM3.31'
7195/18/2019 2:16 PM3.32'
7195/18/2019 2:12 PM3.37'
7195/18/2019 1:56 PM3.40'
7195/18/2019 1:40 PM3.40'
7195/18/2019 1:34 PM3.43'
7195/18/2019 1:24 PM3.47'
7195/18/2019 1:08 PM3.53'
7195/18/2019 12:52 PM3.55'
7195/18/2019 12:48 PM3.55'
7195/18/2019 12:36 PM3.61'
7195/18/2019 12:20 PM3.65'
7195/18/2019 12:10 PM3.67'
7195/18/2019 12:04 PM3.71'
7195/18/2019 11:48 AM3.71'
7195/18/2019 11:32 AM3.74'
7195/18/2019 11:16 AM3.75'
7195/18/2019 11:00 AM3.77'
7195/18/2019 10:44 AM3.77'
7195/18/2019 10:28 AM3.76'
7195/18/2019 10:24 AM3.78'
7195/18/2019 9:46 AM3.66'
7195/18/2019 9:22 AM3.54'
7195/18/2019 8:54 AM3.43'
7195/18/2019 8:40 AM3.31'
7195/18/2019 8:18 AM3.19'
7195/18/2019 8:00 AM3.08'
7195/18/2019 7:46 AM2.97'
7195/18/2019 7:30 AM2.86'
7195/18/2019 7:16 AM2.76'
7195/18/2019 7:00 AM2.66'
7195/18/2019 6:52 AM2.61'
7195/18/2019 6:36 AM2.50'
7195/18/2019 6:16 AM2.36'
7195/18/2019 6:00 AM2.26'
7195/18/2019 5:42 AM2.15'
7195/18/2019 5:22 AM2.04'
7195/18/2019 5:04 AM1.93'
7195/18/2019 3:22 AM1.82'
7195/18/2019 3:00 AM1.93'
7195/18/2019 2:48 AM1.92'
7195/18/2019 2:10 AM2.04'
7195/18/2019 1:30 AM2.16'
7195/18/2019 12:58 AM2.28'
7195/18/2019 12:28 AM2.40'
7195/18/2019 12:00 AM2.51'
7195/17/2019 11:18 PM2.64'
7195/17/2019 11:00 PM2.71'
7195/17/2019 10:36 PM2.77'
7195/17/2019 8:12 PM2.88'
7195/17/2019 7:00 PM2.78'
7195/17/2019 6:58 PM2.77'
7195/17/2019 3:00 PM2.65'
7195/17/2019 2:10 PM2.78'
Flood Frequency
Elevation
10% (10-year)14.80'
2% (50-year)20.60'
1% (100-year)23.70'
.2% (500-year)28.90'
Historical Storm
Date
Event
Elevation
4/3/1979 19.30'
5/20/1983 16.20'
8/18/1983Alicia12.70'
5/18/1989 18.80'
6/27/1989Allison #114.70'
3/4/1992 11.00'
10/18/1994 24.60'
10/18/1998 14.10'
11/14/1998 17.90'
9/13/2008Ike16.50'
4/18/2016 14.90'
5/27/2016 19.40'
8/27/2017Harvey26.70'
High water mark elevations are approximate.
The Harris County Flood Control District (HCFCD) provides information via this website as a public service. While HCFCD makes every effort to ensure information is up-to-date, accurate and complete, HCFCD makes no representations, guarantees, or warranties as to the availability, accuracy, completeness, currency or suitability of the information provided via this website. HCFCD specifically disclaims any and all liability for any claims or damages that may result from providing the website or the information it contains. All liability with respect to actions taken or not taken based on the contents of this site is hereby expressly disclaimed.