Company Mission Statement: Provide quality hydrogeologic services to our clients by continually seeking innovative and efficient methodologies to progressively increase cost effectiveness considering future groundwater supply challenges. 

BasinWells Associates PLLC was founded in 2009 by Mr. Werner "Buck" Schmidt and offers decades of professional hydrogeological and water supply well experience.  Mr. Martin J. Rex, R.G. joined the company in 2015 and offers extensive mining experience associated with dewatering and water supply.  The company provides quality hydrogeological services to municipalities, private water companies, irrigation districts, industrial water users, land developers, mining companies and engineering firms. 

Entities served in 2009-2018 include:

Tucson Electric Power

Oro Valley Water Utility

Rosemont Copper

Liberty Water


Diamond Ventures, Inc.

Recreation Center of Sun City

WestLand Resources, Inc.

Gila River Indian Community


Town of Marana

Community Water Company of Green Valley

Sahuarita Water Company

DR Horton

Other entities served by principals prior to 2009 include:

Metropolitan Domestic Water Improvement District

Other private entities

Professional services include:

v         Water Supply Well Design, Construction Management and Testing

v          Groundwater Action Plans (GAP) - Master Planning Well Fields

v          Groundwater Resource Sustainability Studies and Monitoring

v          Assured and Adequate Water Supply Hydrology Studies

v          Exploratory Boring and Test Well Analyses

v          Well Impact/Well Spacing Analyses for Water Supply Well Permitting

v          Well Field Monitoring Plans and Implementation

v          Pump and Aquifer Testing Design and Analysis

v          Water Supply Well Rehabilitation Evaluation and Design

Mr. Werner "Buck" Schmidt, Principal Hydrologist

Graduate Studies, Hydrology, University of Arizona

B.S., Hydrology, University of Arizona

B.S., Natural Resource Management, Rutgers University

27 years relevant professional groundwater experience

Expertise Strengths:

v          High-capacity water supply well design and siting

v          Groundwater Action Plans (GAP)

v          Groundwater exploration and groundwater quality evaluations

v          Pump and aquifer testing and analysis

v          Well impact/well spacing analysis for high-capacity water supply well permitting

v          Assured and Adequate Water Supply Hydrology Studies

v          Well field and groundwater monitoring plans and implementation

v          Graphical Information System (GIS) mapping and analysis