Clear Creek Associates, a hydrogeological consulting company, was started in September 1999, to provide a very high level of expertise in groundwater science. In 2016, Clear Creek became a wholly owned subsidiary of Geo-Logic Associates (GLA), a multi-disciplinary geology, hydrogeology, and engineering consulting firm based in Ontario, California. Clear Creek's well-known expertise in water resources, hydrogeologic investigations, mining hydrogeology, environmental investigation and remediation, and groundwater modeling closely align with the skills and expertise of GLA to meet the needs of our clients in industry, municipalities, and utilities.