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Stream Elevation Sensor 123
120 Clear Creek @ FM 528
Sensor ID 123
Sensor Type USGS Radar
Installed 11/28/1994
Flooding Likely 12.00'
Flooding Possible 9.00'
Bottom of Stream -11.40'
Tip of Orifice 24.25'
Measuring Plate 23.85'
External Link USGS
Water Level Forecast Information NWS
Benchmark 23.89'
RM 010090 stamped A100 BM04 located on the downstream sidewalk at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -0.6'
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 123 is 1.68'
Reading on 8/28/2025 1:19 PM
Export to Excel
24 Hours
Sensor
Reading Date
Elevation
1238/28/2025 1:19 PM1.68'
1238/28/2025 12:25 PM1.79'
1238/28/2025 11:05 AM1.86'
1238/28/2025 8:09 AM1.89'
1238/28/2025 7:05 AM1.76'
1238/28/2025 3:05 AM1.81'
1238/28/2025 2:49 AM1.78'
1238/28/2025 1:49 AM1.68'
1238/28/2025 12:51 AM1.58'
1238/28/2025 12:01 AM1.48'
1238/27/2025 11:13 PM1.38'
1238/27/2025 11:05 PM1.36'
1238/27/2025 10:37 PM1.27'
1238/27/2025 10:09 PM1.16'
1238/27/2025 9:49 PM1.05'
1238/27/2025 9:21 PM0.95'
1238/27/2025 8:09 PM0.84'
1238/27/2025 7:05 PM0.87'
1238/27/2025 6:03 PM0.94'
1238/27/2025 5:25 PM1.05'
1238/27/2025 4:51 PM1.15'
1238/27/2025 3:57 PM1.26'
1238/27/2025 3:05 PM1.30'
1238/27/2025 2:19 PM1.36'
Flood Frequency
Elevation
10% (10-year)17.50'
2% (50-year)20.10'
1% (100-year)21.00'
.2% (500-year)23.10'
Historical Storm
Date
Event
Elevation
6/20/1973 16.90'
9/20/1979David18.50'
5/3/1981 13.80'
8/18/1983Alicia14.30'
8/1/1989Chantal18.70'
10/18/1994 16.00'
6/5/2001Allison #215.80'
6/9/2001Allison #219.90'
10/16/2006 15.40'
8/16/2007Erin7.20'
4/18/2009 14.80'
8/27/2017Harvey24.20'
9/21/2020Beta16.50'
7/8/2024Beryl14.50'
High water mark elevations are approximate.
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