Scribd
Upload
22 views3 pages

Pumptest Computation

The document provides a detailed log of water drawdown levels and recovery times during a pumping test conducted on January 17, 2020. It includes measurements of water levels at various time intervals, indicating changes in drawdown and recovery rates. Additionally, it notes the water quality as 'muddy' and 'slightly turbid' at different stages of the test.

Uploaded by

Gilbert Restrivera
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
22 views3 pages

Pumptest Computation

The document provides a detailed log of water drawdown levels and recovery times during a pumping test conducted on January 17, 2020. It includes measurements of water levels at various time intervals, indicating changes in drawdown and recovery rates. Additionally, it notes the water quality as 'muddy' and 'slightly turbid' at different stages of the test.

Uploaded by

Gilbert Restrivera
Copyright
© © All Rights Reserved
We take content rights seriously. If you suspect this is your content, claim it here.
Available Formats
Download as XLSX, PDF, TXT or read online on Scribd
You are on page 1/ 3

Water Drawdow

Time after
Level n
Date Hour Start of
Pump (Meters) (Meters)
(Minutes)
17-Jan 10:03 AM 0 52
2020 10:08 AM 5.00 5 71.16 19.16
10:13 AM 7.00 12 71.18 19.18
10:20 AM 10.00 22 71.65 19.65
10:30 AM 13.00 35 71.81 19.81
10:43 AM 15.00 50 71.81 19.81
10:58 AM 15.00 65 71.85 19.85
11:13 AM 15.00 80 71.85 19.85
12:28 PM 15.00 95 72.34 20.34
12:43 PM 15.00 110 72.43 20.43
12:58 PM 15.00 125 72.43 20.43
1:13 PM 15.00 140 72.56 20.56
1:28 PM 15.00 155 72.58 20.58
1:43 PM 15.00 170 72.74 20.74
1:58 PM 15.00 185 73.45 21.45
2:13 PM 15.00 200 73.45 21.45
2:28 PM 15.00 215 73.5 21.5
Discharge
Meter Meter 215 Min
REMARKS
GPM /
Lps
Drawdown 73.5 52 21.5
72 Muddy Time Water
Recovery
4.54 lps Turbid Minutes Level
17-Jan 0 73.5
72.3 10:03 AM 1 55.2 18.3
4.56 lps Slightly Turbid 2 51.43 22.07
3 51.51 21.99
4 51.18 22.32
Slightly Turbid 5 50.9 22.6
76 10 50.83 22.67
4.79 lps Water is Clearing 15 50.27 23.23
20 50.1 23.4
74.5 25 50.05 23.45
4.70 lps Water is Clearing

75
4.73 lps Water is Clearing

Time SW1 GPM


(min) (m)
0 70
1 70.32
2 70.65
3 70.78
4 70.94
5 71.16
10 71.18
15 71.53
20 71.65
25 75.12
30 75.18
40 75.23
50 73.29
60 73.5 75

You might also like