Monitoring and Recovery Wells, Dewatering and Landfill Gas Extraction Lee & Sims has extensive experience in drilling for environmental monitoring and cleanup. Services provided include: Subsurface Explorations Groundwater Monitoring Wells Groundwater Recovery Wells Groundwater Remediation Systems De-watering Wells Landfill Gas Extraction Wells Pump System Installation and Maintenance Packer Testing Our crews are experienced in most common drilling methods including air and mud rotary, air hammer, and hollow stem auger. Give a call or email! Click here for our Contact information.