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Stream Elevation Sensor 1189
1190 Little Mound Creek @ Mathis Road
Sensor ID 1189
Sensor Type Pressure Transducer
Installed 8/16/2000
Flooding Likely 205.30'
Flooding Possible 202.30'
Bottom of Stream 195.30'
Tip of Orifice 196.44'
Measuring Plate 206.85'
Benchmark 206.86'
RM 110850 stamped K166 BM01 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 1189 is 196.73'
Reading on 7/13/2025 10:49 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
11897/13/2025 10:49 AM196.73'
11897/13/2025 7:29 AM196.80'
11897/13/2025 3:29 AM196.82'
11897/12/2025 11:29 PM196.82'
11897/12/2025 8:53 PM196.84'
11897/12/2025 7:29 PM196.87'
11897/12/2025 3:29 PM196.94'
11897/12/2025 2:53 PM196.95'
11897/12/2025 11:53 AM197.06'
11897/12/2025 11:29 AM197.08'
11897/12/2025 9:37 AM197.17'
11897/12/2025 7:29 AM197.28'
11897/12/2025 7:25 AM197.28'
11897/12/2025 3:59 AM197.38'
11897/12/2025 3:29 AM197.37'
11897/12/2025 1:27 AM197.28'
11897/12/2025 12:11 AM197.18'
11897/11/2025 11:29 PM197.12'
11897/11/2025 10:27 PM197.07'
11897/11/2025 7:29 PM196.94'
11897/11/2025 4:01 PM196.97'
11897/11/2025 3:29 PM196.98'
11897/11/2025 11:49 AM197.07'
11897/11/2025 11:29 AM197.08'
Flood Frequency
Elevation
10% (10-year)208.80'
2% (50-year)209.70'
1% (100-year)210.10'
.2% (500-year)211.10'
Historical Storm
Date
Event
Elevation
7/12/2012 207.90'
4/18/2016 209.30'
5/27/2016 208.10'
8/27/2017Harvey208.90'
High water mark elevations are approximate.
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