Grady O'Brien
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Grady O'Brien Email & Phone Number

Principal Hydrogeologist at Itasca Denver, Inc.
Location: Fort Collins, Colorado, United States 8 work roles 2 schools
1 work email found @neirbo.com LinkedIn matched
✓ Verified May 2026 4 data sources Profile completeness 100%

Contact Signals · 1 work email

Work email g****@neirbo.com
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Current company
Role
Principal Hydrogeologist
Location
Fort Collins, Colorado, United States

Who is Grady O'Brien? Overview

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Quick answer

Grady O'Brien is listed as Principal Hydrogeologist at Itasca Denver, Inc., based in Fort Collins, Colorado, United States. AeroLeads shows a work email signal at neirbo.com and a matched LinkedIn profile for Grady O'Brien.

Grady O'Brien previously worked as Principal Hydrogeologist at Neirbo Hydrogeology and Senior Hydrogeologist at Engineering Analytics, Inc.. Grady O'Brien holds M.E., Geological Engineering from Colorado School Of Mines.

Company email context

Email format at Itasca Denver, Inc.

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{first}@neirbo.com
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Profile bio

About Grady O'Brien

Grady O’Brien is a Principal Hydrogeologist at Itasca Denver and is focused on mining hydrogeology and geochemistry. Grady characterizes and analyzes hydrologic systems to understand the interactions between surface water, groundwater, and the physical, biological, and engineered environments. Grady guides technical analyses and models that show past, present, and future conditions by providing the timing, magnitude, and location of changes to water flow and water quality.Grady designs and implements hydrologic characterization programs for mining, water quality, agricultural, and dewatering projects. The most appropriate drilling, testing, and monitoring methods are selected to provide the right data in the right locations. Drilling programs with well installations, packer testing, VWPs, aquifer testing, geophysical logging, and water analyses provide the foundation for geologic modeling, hydrologic analyses, and predictive groundwater flow and contaminant transport modeling.Grady's work supports regulatory permitting, feasibility studies, litigation, water supply, and engineering designs for dewatering, mitigation, and remediation.

Listed skills include Groundwater Modeling, Groundwater Remediation, Environmental Impact Assessment, Water Supply, and 17 others.

Current workplace

Grady O'Brien's current company

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Itasca Denver, Inc.
Itasca Denver, Inc.
Principal Hydrogeologist
Fort Collins, CO, US
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8 roles · 14 years

Grady O'Brien work experience

A career timeline built from the work history available for this profile.

Principal Hydrogeologist

Current

Denver, Colorado, United States

Mine hydrogeology and geochemistry for permitting and operational management.

Mar 2023 - Present

Principal Hydrogeologist

Neirbo Hydrogeology

Fort Collins, Colorado Area

As founder and principal hydrogeologist at NEIRBO, Grady is responsible for business management, business development, project design and coordination, staffing, and technical oversight. NEIRBO is a consulting firm focused on agriculture, mining, water supply, environmental, construction, and litigation projects. Exceeding client expectations with over 25.

2012 - Mar 2023

Senior Hydrogeologist

Fort Collins, CO

Groundwater studies focused on federal and state permitting and remediation processes for the mining, water supply, and waste containment industries. Potential environmental impacts and performance of remediation measures predicted to assist in determining the most appropriate alternatives. Integration of multiple types of data that provide an integrated.

Aug 2010 - Oct 2012

Senior Hydrogeologist

Leading hydrogeologic investigations and teams of scientists. Focusing on providing groundwater services to the mining industry.

May 2008 - Sep 2010

Principal Hydrogeologist (Owner)

Geoflow, Inc.

Analysis, review, and improvement of groundwater flow models and water resource investigations.

May 2006 - May 2008

Principal Hydrogeologist (Co-Owner)

Earth Knowledge, Inc.

Consulting firm specializing in inter-organizational coordination and interdisciplinary research related to water-resource management. Groundwater investigations related to water supply and nuclear waste containment in Nevada and Arizona.

May 2003 - May 2006

Hydrologist

Groundwater hydrologist working on the Yucca Mountain Project and the Death Valley Regional Flow System (DVRFS) Model. Conducted numerous saturated-zone investigations and contributed to the team building and calibrating the DVRFS models.

May 1989 - May 2003
2 education records

Grady O'Brien education

FAQ

Frequently asked questions about Grady O'Brien

Quick answers generated from the profile data available on this page.

What company does Grady O'Brien work for?

Grady O'Brien works for Itasca Denver, Inc..

What is Grady O'Brien's role at Itasca Denver, Inc.?

Grady O'Brien is listed as Principal Hydrogeologist at Itasca Denver, Inc..

What is Grady O'Brien's email address?

AeroLeads has found 1 work email signal at @neirbo.com for Grady O'Brien at Itasca Denver, Inc..

Where is Grady O'Brien based?

Grady O'Brien is based in Fort Collins, Colorado, United States while working with Itasca Denver, Inc..

What companies has Grady O'Brien worked for?

Grady O'Brien has worked for Itasca Denver, Inc., Neirbo Hydrogeology, Engineering Analytics, Inc., Tetra Tech, and Geoflow, Inc..

How can I contact Grady O'Brien?

You can use AeroLeads to view verified contact signals for Grady O'Brien at Itasca Denver, Inc., including work email, phone, and LinkedIn data when available.

What schools did Grady O'Brien attend?

Grady O'Brien holds M.E., Geological Engineering from Colorado School Of Mines.

What skills is Grady O'Brien known for?

Grady O'Brien is listed with skills including Groundwater Modeling, Groundwater Remediation, Environmental Impact Assessment, Water Supply, Feasibility Studies, Hydrogeology, Groundwater, and Water.

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