PERMFILE107579

• Permit No: M1977526
• IBM Index Class Name: Permit File
• Doc Date: 11/4/1977
• Section_Exhibit Name: DESCRIPTION OF WATER RESOURCES
• Media Type: D
• Archive: No

reclamation on gr• d water levels in the surunding wells
will be minimized. A dewatering trench will not be required
during mining, therefore, the drawdowns in the ground water
system will not be extensive. There will be limited impact
on water levels in the mining area because of lakes created
by the mining process. The impact will result in a general
rise in ground water levels north of the lakes, and a general
lowering of the ground water levels south of the lakes. There
will be no change of water levels east or west from the mid-
point of the lakes.
The lake created north of Henderson Road will result
in maximum changes of the water level of approximately
.7 ~ feet. The maximum lateral extent of either a rise u~ a
lowering of the water table will be 9~0 feet from the northern
and southern edges of the lake, respectively. Th? privately
owned domestic and .i*rir;1~ion wells in the SW}. of the'NEa of
Section 34 are within 800 feet of the lake, but ar.e located
west of the lake (see Figure 2 j. The drawdown in the wells
will be .'.^ss than 0.5 feet and performance of the wells will
r.ot be affected. The rise in the water table immediately north
of the lake will be approximately 3 feet. Water levels will
rise northward from the lake to a distance of approximately
9~0 feet. There are no water users north of the lake, there-
fore, the rise in the water level will have no impact on
the surrounding property or lanu uses.
.pater level changes resulting from the creation of
th. lake south of Henderson Road will be 5 feet. The lake
level will be high uc the northern end of the property which
will result in a general rise in the water table north o'
Henderson Road. The water levels will be low at the southern
part of the property. T:ie lateral extent of water level changes
will be 2200 feet. 'Phe rise in the water.- levels north of
the 'road will ~_ncrease the water level in the privately
owned domestic. well in the ~W; of the NE; of Section 34,
by 3.5 feet.
The lateral change in the cer le~el.s south of the lake
will extend to the South Platte River. The river forms a
hydrologic boundary and drawdowns will not extend south of
the river. Wells south of the river will not be impacted
by the lakes. The distance from the southern port of the lake
to the domestic wells west of Riverdale Road is approximately
2000 feet. There will be negligeable impact on water le:~els
in shallow wells re::ul~ing .`rom the lakes on the Property.
The deep wells will not be affected by the water level fluctu-
ations. In addition, leakage from the Brantner and Lower
Clear Creek Ditches which occur between the laces and the
wells, will ensure that drawdowns will not extend great
distances to the west. There will be no increase in ~akage
from the ditches because of the presence of the la}:e.
The Souta Platte P.iver rlso forms a hydmloc~c barrier to
the lateral spread of water level changes on the east.
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