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Stream Elevation Sensor 20157
2015 Clodine Ditch @ Grand Mission Blvd
Sensor ID 20157
Sensor Type Bubbler
Installed 8/28/2018
Flooding Likely 91.20'
Flooding Possible 88.20'
Bottom of Stream 78.40'
Tip of Orifice 79.26'
Measuring Plate 95.89'
Benchmark 95.85'
RM 210453 is an aluminum disk stamped 210453 located on the downstream pedestrian bridge walkway near the south end bridge pillar. 1988 NAVD, 2001 adjustment.

The Stream Elevation chart showing Stream Elevation Left series.
Cross Section
Stream Elevation for sensor 20157 is 79.54'
Reading on 10/28/2025 11:59 PM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
2015710/28/2025 11:59 PM79.54'
2015710/28/2025 7:59 PM79.50'
2015710/28/2025 3:59 PM79.45'
2015710/28/2025 1:31 PM79.46'
2015710/28/2025 11:59 AM79.48'
2015710/28/2025 7:59 AM79.53'
2015710/28/2025 4:03 AM79.57'
2015710/28/2025 3:59 AM79.58'
2015710/28/2025 12:15 AM79.67'
2015710/27/2025 11:59 PM79.69'
2015710/27/2025 7:59 PM79.73'
2015710/27/2025 4:19 PM79.78'
2015710/27/2025 3:59 PM79.79'
2015710/27/2025 11:59 AM79.89'
2015710/27/2025 11:57 AM79.89'
2015710/27/2025 8:51 AM79.99'
2015710/27/2025 7:59 AM80.02'
2015710/27/2025 5:39 AM80.10'
2015710/27/2025 3:59 AM80.19'
2015710/27/2025 3:35 AM80.21'
Flood Frequency
Elevation
10% (10-year)89.90'
2% (50-year)91.20'
1% (100-year)91.80'
.2% (500-year)93.70'
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.