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STANDARD VIEW MARC VIEW
FLORIDA DEPARTMENT OF NATURAL RESOURCES
published by BUREAU OF GEOLOGY
MAP SERIES NO. 86
;. I I I' I
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o seS a on we Z1-10
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TOP OI TE FLOIDANLLAQUIDGE d
OF NORTHWEST FLORIDA
Thomas Kwader and W-'atler Schmidt .."
Prepared by the I
Water Management Dtstrtct Me a acsTr
in cooperation with
the Bureau of Geology
Florida Department of Naturat Resources GU LFO FMEXI COFR A NL
'onr tIi-'ev othis map deirnea is the tot'' ofi the uper limeistone ofits
ished and pirevion Iy unputblrxhed data mn the tiles o1 thre I lorida S ai Gr,
(,eolo'y and the Northo xt I torida W ater Msanacemnent District have
isas~~~~~~~~~~~~~~~de e obandIio xI iiItnx or1.adgeftgsca osOe
may. used ini sxntiunction isitth a topixgraptiic map and a recent o
Is d itid into it IetiirdaBsaitnite
T FTHE FLORIDAN AQUIFER
I lixTdan aitet is tic mli d a onra e o1 potable eati r in northwest
scepts in tie ectreme besyer nmst counties where the aiier dips
ut tx aid and cilorih end to inceaxe oith depth (generallyL
Wir lt e ri In areatire xri ig a n v
in oopraton ithV,, ...
the Bueau ofGeolog.8-- :1
.....ida--e-art- --t---f N....ral ,e-sources
Prepanrpeiosy n ubiled by atabe te Ie o h Ilrd
Gelg n h ot- oiaWater Managem ent District have
etoriap alies thsnap delineate the de p ofthca inglengtupp waerh lesvoelo 0"- o Imp I -"A,'z -" (
11shr ed into liplreiousy npaubhted aa teflso heIoia. T ""InOkGq -)+
Ieolo gy andaquie Nris tire stain Sorceo'doa blaer watae rn e n oisrit haves "-r.
n p \so tin teed fromewell cutuingstcountes a hereopheys qica fog.Oer dis -2!
utvestr~lc ap and pp ro mae thendeptohincraseinglnthade wath(eeralevly" ce
below the 800 tool contour). In this area thle overlying Sand-and-Gravel aquifer
yields quantities of water sufficient for most uses, but it is mildly corrosive on
pipes and fittings
Ihe I loridan aquifer as designated by Parker in 1955 includes limestone
from parts or all of tile middle I ocene, the upper I ocene, the Oligocene, and tilhe
Miocene Series. The top of tihe I loridan aquifer in northwest I iorida is defined
here as thie uppermost water-bearing hmestone yielding sufficient quantities of
water to be economically important. In some instances tile surface mapped may
include less consolidated sediments immediately overlying the limestone which is
This map represents the upper surface of tlhe I loridan aquifer. It does not
correspond to any particular geologic formation or age. Thie I loridan aquifer in
northwest I lorida consists of limestones and dolomites ranging in age from mid-
dle I ocene to Pliocene (deposited 45 to 1.5 million years ago), and of the
adjacent and overlying permeable sediments of younger ages which are in contact
with thie carbonate rocks.
Recharge of tle I loridan aquifer in this area occurs primarily in south-
eastern Alabama and southwestern (Georgia where ihe limestone is close to tie
surface. Local recharge occurs where tie limestone is sufficiently near the sur-
face so that the aquifer is recharged by direct rainfall, and through sinkholes
and/or lakes which breach the overlying confining beds. Natural discharge occurs
at springs and rivers whose elevations intersect tire local potentiometric surfaces
of thie I loridan aquifer.
Locally thie elevation of the aquifer may vary from tihe map. especially
where the limestone had been exposed by solution, leading to thie development
of karst features prior to deposition of overlying sediments.
Northwest I torida Water Management District. 1975,I h'afc R'oi-oIr'x s ls's-
menil. Tallahassee, I lorida.
Parker, (Garald G., and others, 1955, WafrcI Risoxnc' ol Sourihtiax etaiI lortda.
United States Geological Survey, Water Supply Paper 1255.
Rosenau, Jack and Meadows, Paul I .. 1977, Porentiomlieric Surface of the
Floridain lquiteiir I the \'ortilhwi t Hlorlida i'alI'r fianageieniit Dis-
trient. United States Geological Survey. Water Resources Investigation
Open I ile 77-2.
Vernon, Robert O., 1973. Top o lthe I'loria Irtuestan .quier.' I lorida Bureau
of Geology Map Series No. 56.
TOP OF AQUIFER CONTOURS
FEET MEAN SEA LEVEL
0 2 4 6 8 10
-: -* A -je/-
TOP OF THE FLORIDAN AQUIFER
20 30 0 3931
#LORIDA GEOLOGIC SURVEY MAP SERIES"
the I lord
600 data p
I lorida. e
DEPARTMENT OF NATURAL RESOURCES
BUREAU OF GEOLOGY
This public document was promulgated at a total
cost of $1,595.00 or a per copy cost of $.64 for
the purpose of disseminating hydrologic data.
Florida Statute Chapter 373
Water Management District Boundaries
Base map prepared from
U.S. GEOLOGICAL SURVEY
State of Florida Map
1:500,000 Edition of 1967
0 2 4 6 8 10 15 20 30