Johnstone & Associates is a civil engineering and land surveying firm specializing in small-
to medium-sized surveying and civil engineering design projects and municipal engineering consulting.. Engineering Investigations Program Development Feasibility Analyses Project Budgeting Preliminary and Final Design Regulatory Compliance Potable Water Supply,Storage,and Conveyance Wastewater Conveyance Spill Prevention & Storm Water Management,Air Discharge Permitting Municipal Services Subdivision Platting,Site Planning,Construction Management Surveying