To report an environmental emergency that poses an immediate threat to the public health or the well-being of the environment, please call the Missouri Department of Natural Resources at 573-634-2436.

Three department staff applying bright pink water tracing fluid in the Lancaster Goodwin sinkhole

The department responds to environmental emergencies, performs technical document review, and conducts subsurface investigations to collect geologic and hydrologic information.

Staff conduct geohydrologic investigations at sites impacted by hazardous wastes such as petroleum or other chemicals and provide technical assistance about siting, monitoring and cleanup of hazardous waste sites throughout Missouri.

We perform geohydrologic evaluations for wastewater treatment facilities and residential housing developments, provide technical assistance in siting and monitoring of landfills in Missouri, provide geohydrologic assistance related to mines and quarries, and provide technical assistance about geologic hazards such as sinkholes, and when animal mortality events occur. 

Staff maintain the Missouri Water Tracing Laboratory and database that contains information related to groundwater traces performed in the state. 

To request a new geohydrologic evaluation, search for a completed evaluation, review the status of a submitted geohydrologic evaluation for residential housing developments and wastewater treatment facilities, request a preliminary site investigation for a proposed solid waste disposal or beneficial reuse area, or register as a water tracer proceed to GeoEDGE.