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2011 STATE GEOLOGIST'S REPORT ---NEW---

Cover page for the Annual Report of the State Geologist.
The State Geologist just completed the 2011 annual report for the Iowa Geological & Water Survey.

CEDAR FALLS GROUNDWATER INVESTIGATION

Potentiometric surface of the Silurian-Devonian aquifer near Cedar Falls, Iowa
The Iowa Geological & Water Survey just completed an investigation detailing groundwater movement and susceptibility of the Silurian-Devonian aquifer around Cedar Falls, Iowa. The Cedar Falls report utilizes our current understanding of geology, groundwater chemistry, groundwater movement, and geophysics to explore the city's source of drinking water.

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GeoSam Database STORET Database IOWAWATER Database NRGIS Database


Bedrock Geologic Map of Iowa (PDF)
The Bedrock Geologic Map of Iowa portrays the current interpretation of the distribution of various bedrock stratigraphic units present at the bedrock surface. More...




Iowa's Groundwater Basics (PDF)
Groundwater Basics is a geological guide to the occurrence, use, and vulnerability of Iowa's aquifers.