Soil testing in Denver costs vary primarily based on the form of testing included. A basic test will assess pH levels as well as the existence of organic trace mineral deposits. Soil testing in Denver can be comprehensive or basic. Each kind of test, such as a soil nitrate test, ranges from $10 to $20 in cost. Assessment tests for toxic substances and environmental action tests for gardening can range between $30 to $50 per test. There are additional fees for expedited services coming from labs that range between $30 to $100 in many areas. Some Denver soil testing services provide additional reporting and computation labor visuals for large-scale applications at an additional charge per hour. A leading example of this could be a comprehensive landscaping project that is going to involve in-ground pools and backyard ponds.