Title: Letter
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Permanent Link: http://ufdc.ufl.edu/WL00001731/00001
 Material Information
Title: Letter
Physical Description: Book
Language: English
 Subjects
Spatial Coverage: North America -- United States of America -- Florida
 Notes
Abstract: Letter To: William A. Duynslager -Water/Sewer Director City of St. Petersburg From: Frank H. Crum -Leggette, Brashears & Graham February 20, 1976
General Note: Box 9, Folder 5 ( SF-SWF 200003/WCR/St. Pete/Section 21 Volume I - 1976-92 ), Item 52
Funding: Digitized by the Legal Technology Institute in the Levin College of Law at the University of Florida.
 Record Information
Bibliographic ID: WL00001731
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




LEGGETTE, BRASHEARS & GRAHAM
CONSULTING GROUND-WATER GEOLOGISTS

M. L. BRASHEARS WESTPORT TAMPA WATER SUPPLY
JACK B. GRAHAM 55 WEST STATE STREET 1211 N. WESTSHORE BLVD. DEWATERING
EDWARD T. SIMMONS WESTPORT. CT. 06880 TAMPA. FL. 33607 RECHARGING
0. SIDNEY FOx 1203) 226-7306 (813) 879-8177 SALT WATER PROBLEMS
FRAN CRUM POLLUTION STUDIES
R. G. SLAYBACK REPORTS
PLEASE ADDRESS REPLY TO
TAMPA. FLORIDA

February 20, 1976




Mr. William A. Duynslager
Water/Sewer Director
City of St. Petersburg
P. 0. Box 2842
St. Petersburg, Florida 33731


Dear Bill:

Reference is made to several comments made at the
District Board meeting last Wednesday regarding condi-
tions of the water-table aquifer including swamps and
bayheads north of the South Pasco Well Field. Since
this may well become an issue during the still-to-come
South Pasco C/U Hearing, we have briefly checked into the
matter and make the following comments:

1. The report prepared by W. F. Guyton and Associ-
ates states that "pumping has been responsible,
during certain limited periods of time, for
declines on the order of one to two feet in the
water table at the State Road 54 Observation
Well, and declines on the order of one-half
foot in the water table near Camp Lake. During
these times, which as could be expected are dry
periods, the calculated declines due to natural
causes are ordinarily several times larger than
calculated fractional declines due to well field
pumping."

2. Oral comments have been made by the District
staff indicating that after nearly three years
of withdrawals, they not only observe no envi-
ronmental changes around the well field, none
are noted within the well field, in the area of
greatest impact.






Mr. William A.eFuynslager -2- Febyary 20, 1976



3. A check of the rainfall records at Cosme since
1961 shows the three-month period of November,
December (1975) and January (1976) is .the low-
est in the last' fifteen years. The rainfall
(in inches) for this same three-month period
over the last fifteen years is shown below:

1961-62 8.71 1966-67 2.96 1971-72 4.52
1962-63 5.39 1967-68 4.77 1972-73 11.32
1963-64 12.27 1968-69 5.24 1973-74 10.62
1964-65 5.85 1969-70 12.21 1974-75 5.05
1965-66 6.88 1970-71 3.54 1975-76 2.60

4. Operation of a borrow pit from which fill mate-
rial is apparently sold has been going on for
at least a year just north of the South Pasco
Well Field. It is reported that this work is
being done in the "dry" from a depth of perhaps
20 feet below the ground surface. One must pre-
sume a significant amount of dewatering pumpage
is occurring in the water-table aquifer at this
site to allow for the "dry" operational condi-
tions. The amounts of withdrawal and the effect
caused in the surrounding water-table aquifer
are unknown at present.


Very truly yours,

LEGGETTE, BRASHEARS & GRAHAM



Frank H. Crum

FHC/skb




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