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Stream Elevation Sensor 498
495 Keegans Bayou @ Rocky Valley
Sensor ID 498
Sensor Type Pressure Transducer
Installed 6/12/2013
Flooding Likely 85.70'
Flooding Possible 82.70'
Bottom of Stream 73.70'
Tip of Orifice 73.83'
Measuring Plate 88.72'
Benchmark 88.36'
RM 040450 stamped 040450 located on the downstream sidewalk at north end. 1988 NAVD, 2001 adjustment.

The Stream Elevation  chart showing Stream Elevation Left series.
Cross Section
Stream Elevation for sensor 498 is 73.88'
Reading on 4/29/2024 11:40 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
4984/29/2024 11:40 PM73.88'
4984/29/2024 7:40 PM73.88'
4984/29/2024 3:40 PM73.89'
4984/29/2024 12:44 PM73.88'
4984/29/2024 11:40 AM73.92'
4984/29/2024 7:40 AM74.02'
4984/29/2024 6:42 AM73.99'
4984/29/2024 5:34 AM74.09'
4984/29/2024 4:50 AM74.20'
4984/29/2024 4:12 AM74.30'
4984/29/2024 3:40 AM74.36'
4984/29/2024 3:14 AM74.40'
4984/29/2024 2:20 AM74.51'
4984/29/2024 1:46 AM74.40'
4984/29/2024 1:18 AM74.30'
4984/29/2024 1:08 AM74.20'
4984/29/2024 1:04 AM74.09'
4984/28/2024 11:40 PM73.95'
4984/28/2024 7:40 PM73.95'
4984/28/2024 3:40 PM73.96'
4984/28/2024 11:40 AM73.92'
4984/28/2024 7:40 AM73.91'
4984/28/2024 3:40 AM73.94'
Flood Frequency
Elevation
10% (10-Year)82.90'
2% (50-Year)85.20'
1% (100-Year)86.00'
.2% (500-Year)87.90'
Historical Storm
Date
Event
Elevation
5/26/2015 85.50'
4/18/2016 85.20'
1/18/2017 81.70'
8/27/2017Harvey86.40'
9/21/2020Beta81.90'
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.