Wells Expert Witnesses

Newport Beach, California

Geology, Environmental - Hydrogeology, Wells, Geologic Modeling, PFAs, Drilling, Groundwater and Soil, Recharge, Volatile Organic Compounds - VOC, Bedrock and Karst, CERCLA, Aquifers & Characterization, Aquifer Storage and Recovery - ASR, Chlorinated Solvents, Water Suppy, RCRA, Contamination, Managed Aquifer Recharge - MAR, Well Performance, Water Resources

Eros A. Bilyeu, PG, CHG, CGWP, QSD/QSP is a California-licensed Professional Geologist and Certified Hydrogeologist specializing in groundwater supply, recharge, and contamination investigations. He is the Principal Hydrogeologist of Hydro-Geologic Solutions, Inc., a certified small business headquartered in Newport Beach, California. Mr. Bilyeu provides expert analysis, consulting, and testimony for litigation, permitting, and regulatory matters involving complex subsurface and water-supply issues. Eros has been retained as an an expert witness five times, deposed once, and requested to testify twice in the last four years. Following expert opinion reports/presentations or deposition, cases have ended in settlement and satisfied clients as a result. Mr. Bilyeu has more 18 years of hydrogeologic experience supporting cities, water districts, and engineering firms throughout California and the western U.S. His expertise spans: Well design, construction, and performance testing (...

Philadelphia Area, Pennsylvania

Environmental, Engineering - Hydrology, Stormwater Management, Sewers, Sewer Systems, Wastewater, Sanitary Sewage, Water, Septic Systems, Flooding, Groundwater, Hydrogeology, Drainage, Mold, Wells, Runoff, Backups, Wastewater Treatment, Utility, Construction, Maintenance

Nationwide experience as hydrologist, environmental engineer, and civil engineer, including for design, contamination, pollution, FOG/grease trap, sinkhole, grading, hydraulics, pumping, water quality, storm sewer, drinking water, water distribution, water treatment, dam, regulations, Standard of Care, waste management, erosion, soil, air quality, water main, detention, hazardous waste, spill, sedimentation, wetland, floodplain, toxicity, remediation, health and safety, modeling, odor, combined sewer, overflow, aquifer, hydraulic fracturing, hydroplaning, and metering. Forensic cases for Mr. Dutill have comprised state and federal courts. As indicated in feedback from attorneys on expert witness cases, some of the strengths of Mr. Dutill include understandable guidance, responsiveness, timeliness, communication, effective report writing, strong testimony (including on cross), efficiency, organization, and assistance with framing case issues. Approximately 45% of his cases have be...