FLOOD08209

• County: Adams
• County: Arapahoe
• County: Douglas, Jefferson
• Community: Denver Metroploitan Area
• Stream Name: South Platte River, Chatfield Dam to Baseline Road
• Basin: South Platte
• Title: Major Drainageway Planning
• Date: 8/1/1984
• Prepared For: Denver Metropolitan Area
• Prepared By: Wright Water Engineers, Inc.
• Contract/PO #: &&
• Floodplain - Doc Type: Floodplain Report/Masterplan

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IX - 3

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MAP LEGEND
DEPTH TO WATER TABLE IN UNCONSOLIDATED
ALLUVIAL DEPOSITS IN FEET BELOW LAND SURFACE
LESS THAN 5
5 TO 10
10 TO 20
GREATER THAN 20

IO-IO-!l!l 11-7'57

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FLOODPLAIN

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11- 5- 57

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HYDROGRAPHS SHOWING WATER- LEVEL TRENDS

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BEAR
CREEK

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CHATFIELD
RESERVOIR

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CHERRY
CREEK

OLDER CONSOLIDATED SEDIMENTARY ROCKS
Water-table aquifers in outcrop area! \/Inere
weathered and fractured

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FRACTURED
RYSTAlLlNE
ROCKS
Localized
woter- table
oQuifers in
upper 300
feet where
fractured

COLLUVIAL OR LANDSLIDE DEPQSIiS
Localized water-table oQuifers

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Unconsol idoted alluvial depos its
drained for ot leo" port of each year

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Pl1:1NClPAL WATER.TABLE AQUIFERS
uncon501idated alluY ial depos its
perennially saturated

WINDBLOWN DEPOSITS
Localized water-
table aquifers

TERRACES

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SOUTH
GROUNDWATER
FIGURE IX - 1

PLATTE RIVER
RESOURCES

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DIAGRAMMATIC SECTION SHOWING OCCURRENCE OF WATER-TABLE AQUIFERS