2021 Third and Fourth Quarter Piezometer Readings and Lake Level
From: Michael Garza
Sent: Thursday, October 7, 2021 8:57 AM
To: Halie Hernandez
Subject: FW: Fourth Quarter Piezometer Readings and Lake Level
Can you file this in laserfiche here:
Engineering\\Number Projects\\Drainage Projects\\DR11-01 Northlake Dam\\Dam Inspection
Reports\\Piezometer Readings 2014-2021
Thanks,
mike
From:James Howe <HOWE1835@msn.com>
Sent:Tuesday, October 5, 2021 5:32 PM
To:Michael Garza <MGarza@coppelltx.gov>
Subject:Fourth Quarter Piezometer Readings and Lake Level
Hi Michael,
The fourth quarter Piezometer Readings and Lake Level are as follows:
I included two previous quarters for comparative purposes.
October 5, 2021
The current lake level is 484.50' above sea level. ( The top of the spillway is 485.00' )
P-102-R------Top North-------53.60'
P-105-R------Top South-------34.60'
P-103-R------Bottom South-----16.50'
P-103-R------Bottom Middle----15.60'
P-104-R------Bottom North-----16.50"
July 06, 2021
The Third Quarter NorthlakeLake Level and Piezometer Readings are as follows:
The lake level when full to the top of the spillway is 485’ above sea level. Today the lake level is 484.90’
above sea level.
P-102-R-------Top North -----48.60’
P-105-R-------Top South -----33.80’
P-101-R-------Bottom North ---17.10’
P-103-R------Bottom Middle--16.0’
P-104-R------Bottom South ---17.00’
The Following readings are for comparison only from recent readings.
April 02, 2021
Northlake lake level is 485.0’+ above sea level. (Water is running over the spillway overflow)
Second Quarter Piezometer Readings for 2021 are as follows
P-102-R--------Top North------51.30’
P-105-R--------Top Middle-----31.60’
P-101-R --------Bottom North----18.30’
P-103-R --------Bottom Middle ---18.25’
P-104-R --------Bottom South---17.30’