There are many organizations that supply good information to new and seasoned well owners. Please take advantage of these links to educate yourself about groundwater, and owning and maintaining a well.
Colorado Division of Water Resources
American Groundwater Trust
National Groundwater Association Water Well Basics
A Guide to Water Well Permits In Colorado
Private Ground Water Wells, Drinking Your Well Water
Pueblo County Health Department and Testing Water for Potability
Environmental Protection Agency and Drinking Water
The EPA site provides links to laboratories in the US that offer more expanded testing than is available through the Pueblo County Health Department. While we do not coordinate this type of testing, we encourage you to explore the options available to you.