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AESI acknowledges the significant importance that our society places on water resources. To tackle this challenge, we have established an outstanding team of hydrogeologists who specialize in the identification, development, protection, and management of groundwater resources. Our technical services are designed to meet the unique objectives of our clients, including public agencies, water/sewer districts, special use districts, and private clients. We strive to deliver the highest possible value to our clients by providing technical expertise in the primary areas required to meet their needs.

Groundwater Resource Evaluation

  • Aquifer identification and evaluation

  • Groundwater availability

  • Aquifer recharge and discharge

  • Groundwater surface water interaction

  • Streamflow gaging

  • Water quality sampling

  • Groundwater flow direction and velocity

  • Numerical and analytical groundwater modeling


Water Supply Development

  • Water well sitting and design 

  • Well construction bid document technical specifications

  • Well Assessment and Rehabilitation

  • Design and completion of aquifer tests

  • Seawater intrusion evaluations

  • Wellhead protection studies

  • Well field design and installation

Stormwater Management Support

  • Groundwater control

  • Stormwater management constraints

  • Infiltration testing and design

  • Seasonal groundwater level monitoring

  • Aquifer injection potential/ UIC well design

  • Active and passive seepage control

  • Permanent and temporary dewatering

Groundwater Impact Evaluations

  • Environmental impact studies

  • Stormwater infiltration and geologic hazard evaluation

  • Mitigation development and implementation

  • Nitrate-loading analyses

  • Aquifer degradation evaluation

  • Public education and hearings technical support

Water Right Support

  • Confidential water right evaluations

  • Seasonal water right transfers

  • Water right change/transfers

  • Annual water use metering and reporting support

  • Mobile and web applications for water right mapping

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