Title: Memo: Average and Maximum Pumping Rates for Given Well Diameters
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Permanent Link: http://ufdc.ufl.edu/WL00002274/00001
 Material Information
Title: Memo: Average and Maximum Pumping Rates for Given Well Diameters
Physical Description: Book
Language: English
 Subjects
Spatial Coverage: North America -- United States of America -- Florida
 Notes
Abstract: Memo: Average and Maximum Pumping Rates for Given Well Diameters, 9/18/1973
General Note: Box 10, Folder 12 ( SF Water Rights-Water Crop - 1973, 1976-77 ), Item 38
Funding: Digitized by the Legal Technology Institute in the Levin College of Law at the University of Florida.
 Record Information
Bibliographic ID: WL00002274
Volume ID: VID00001
Source Institution: Levin College of Law, University of Florida
Holding Location: Levin College of Law, University of Florida
Rights Management: All rights reserved by the source institution and holding location.

Full Text
Iii .. 1


September 18, 1973

MEMORANDUM


-~/ (

SEP24 1973
Eri jri


TO:. WENDALL B. SMITH, CHIEF, HYDROLOGY DEPARTMENT~
FROM: JOSEPH C. HOLZSCHUH, HYDROGEOLOGIST


RE: Average and Maximum Pumping Rates for Given Well Diameters.

As you requested, I have prepared a table of average and maximum pumping
capacities for well diameters from 2 to 24 inches. Please understand
that many assumptions had to be made to prepare this table and the
figures-therein may not relate to any given pump installation. Still
I believe that these figures do represent a rough "Ballpark". The
primary assumptions which were made which must be understood are the
following:
1. All rates are pumping rates not average use rates.
2. Average figures are based on what I believed to be a typical
pumping level for that size well, a typical H. P. rating,
approximately 30 psi. discharge pressure, and with the assumption
that the pump was operated near the peak of its efficiency curve.

3. Maximum figures are based on the maximum amount of water that
a pump, which will fit in the well casing, will deliver assuming
depth to water is 20' (drawdown) and discharge pressure is 0.
This is an optimum situation, not likely to be encountered.
*


Well Diameter
2
3
4
6
8
10
12
14
16
* 18
20
24


Average Conditions
13 'P
18
20,~
500 .
55Q ,
700
1100
2400
2800
4600
5000
7000


Maximum
50
70
120
8060
800
800 S
1600
2900
3300
5600
6900
9300


JCH/hs

A


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