Recent News
GROUNDWATER AVAILABILITY MODELING OF THE SILURIAN AQUIFER IN
EAST-CENTRAL IOWA
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A one-year investigation of the geology and hydrology of the
Silurian
aquifer in east-central Iowa was undertaken to provide a more
quantitative assessment of groundwater availability, and to
construct a groundwater flow model for the Silurian aquifer that
can be used as a planning tool for future water resource
development. |
GEOLOGIC MAPPING FOR WATER QUALITY PROJECTS IN THE UPPER IOWA RIVER
WATERSHED
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The Iowa Geological & Water Survey's three-dimensional
geologic mapping for the Upper Iowa
River Watershed is now available in digital format. The
report and associated GIS coverages describe the bedrock "plumbing
system" of the watershed and how it relates to the subsurface
movement of contaminants to groundwater and streams.
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STATEMAP MAPPING PROGRAM INFO
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The Iowa Geological & Water Survey has completed a mix of
quadrangle and county-scale geologic mapping projects in Adams,
Black Hawk, Scott and Worth counties. All maps are new
mapping projects with the exception of Adams County which is a
compilation map. The maps are now available in digital format. To access,
click here.
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NEW WELL RECORD FORM ---NEW---
Click here for more recent news.
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The
Bedrock Geologic Map of Iowa
portrays the current interpretation of the distribution of various bedrock stratigraphic units present at the bedrock surface.
More...
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Groundwater Basics
is a geological guide to the occurrence, use, and vulnerability of Iowa's aquifers.
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