The department is charged with the protection of groundwater. This is accomplished through the regulation of the construction and plugging of several well types and the permitting of well installation contractors. 

Well and Pump Installation Contractor Permitting
Contractor testing, permit renewal, submit well records and more
Well Types
Regulations determine the type of well required for a particular use
Public Drinking Water Systems
Missouri’s public water systems provide safe drinking water
Well Protection and Maintenance
Well owners play an important role in the protection of water wells and groundwater
GeoSTRAT
Locate existing wells and records
Well Installation Online Services
Locate a contractor licensed to do business in Missouri, locate records and more
Protecting Domestic Drinking Water
Learn about ways the department protects groundwater - video
Drill Area Maps
Environmental, geologic and hydrologic factors determine well construction requirements
Well Logs, Cuttings and Cores
Detailed information about the wells and subsurface at well sites
Aquifer Information and Groundwater Availability
Aquifer Information and Groundwater Availability

Contact Information