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Stream Elevation Sensor 2023
2020 Mason Creek @ Prince Creek Drive
Key Map 486F
Sensor ID 2023
Sensor Type Bubbler
Installed 8/1/1984
Flooding Likely 108.70'
Flooding Possible 105.70'
Bottom of Stream 93.14'
Tip of Orifice 93.61'
Measuring Plate 111.60'
External Link USGS
Benchmark 110.63'
RM 190120 stamped T101 BM01 located on the downstream sidewalk at stream centerline, 1988 NAVD, 2001 adjustment. 78 to 01 Adjustment -1.1'
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 2023 is 93.61'
Reading on 3/25/2023 3:01 AM
Export to Excel
2 Days
Sensor
Reading Date
Elevation
20233/25/2023 3:01 AM93.61'
20233/24/2023 11:01 PM93.61'
20233/24/2023 7:01 PM93.61'
20233/24/2023 3:01 PM93.70'
20233/24/2023 11:01 AM93.61'
20233/24/2023 7:01 AM93.61'
20233/24/2023 3:01 AM93.61'
20233/23/2023 11:01 PM93.61'
20233/23/2023 7:01 PM93.61'
20233/23/2023 3:01 PM93.61'
20233/23/2023 11:01 AM93.61'
20233/23/2023 7:01 AM93.61'
Flood Frequency
Elevation
10% (10-year)102.70'
2% (50-year)105.00'
1% (100-year)106.10'
.2% (500-year)108.70'
Historical Storm
Date
Event
Elevation
8/18/1983Alicia100.80'
10/18/1994 98.80'
4/28/2009 106.10'
4/18/2016 106.00'
8/27/2017Harvey107.80'
High water mark elevations are approximate.
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