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Stream Elevation Sensor 373
370 Sims Bayou @ SH 288
Sensor ID 373
Sensor Type Radar
Installed 6/26/1995
Flooding Likely 44.50'
Flooding Possible 41.50'
Bottom of Stream 11.80'
Tip of Orifice 49.59'
Benchmark 51.29'
RM 030081 stamped 030081 EST 2012 located on the downstream south end headwall of north bound feeder road lanes, 1988 NAVD, 2001 adjustment 78 to 01 Adjustment -1.7'
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 373 is 14.75'
Reading on 4/2/2025 7:26 PM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
3734/2/2025 7:26 PM14.75'
3734/2/2025 3:26 PM14.79'
3734/2/2025 11:26 AM14.77'
3734/2/2025 7:26 AM14.79'
3734/2/2025 3:26 AM14.83'
3734/1/2025 11:26 PM14.83'
Flood Frequency
Elevation
10% (10-year)42.00'
2% (50-year)44.90'
1% (100-year)46.10'
.2% (500-year)48.00'
Historical Storm
Date
Event
Elevation
8/18/1983Alicia40.60'
10/18/1994 43.20'
3/12/1997 41.50'
6/7/2001Allison #241.10'
6/9/2001Allison #243.50'
6/19/2006 32.30'
9/13/2008Ike37.70'
8/27/2017Harvey38.30'
High water mark elevations are approximate.
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