Few people know about the underground world that exists under Bowling Green, where water flows in underground rivers in what is known as a karst landscape. In karst areas, water is especially vulnerable to pollution. In fact, did you know what we do on the surface in Bowling Green directly impacts both the water below ground and our drinking water? This is possible because a portion of the water feeding the Barren River, where the City draws its drinking water from, flows through underground karst networks.


Are you anxious to keep learning about karst and groundwater? Do you want to get involved in a karst- or groundwater-related event? If so, explore the calendar to see what events are happening in your area. If you know about a related event, have it posted on the interactive Calendar for others to see.

Upcoming Event

Household Hazards Waste Collection Day
Nashville Road by WKU South Campus
April 26, 8am to 12pm


Please complete this voluntary survey as accurately and honestly as possible, without the assistance of outside resources, fellow participants, or referring back to this website. If you don't know the answer to a question, please leave it blank. Thank you for your participation. We sincerely appreciate you submitting your opinions and feedback!


Everyone in Bowling Green lives on a distinctive landscape known as karst. These landscapes are vulnerable to pollution, and therefore what you do in and around your home can easily affect your karst environment and our groundwater. Making simple changes can help prevent water pollution and keeps our karst landscape healthy. Take the Under Bowling Green Karst Groundwater pledge to commit to doing your part to protect Bowling Green's valuable water resources. Be a part of the solution to stormwater and groundwater pollution!

  1. Check the boxes next to the changes you pledge to achieve.
  2. Print and hang the pledge in a location that your family will see every day, or even better, share it with fellow members of the community on the website, Twitter, and/or Facebook!

Make Groundwater Conservation a Habit.

Keep runoff water clean to protect our karst groundwater.

Maintain septic systems to keep karst groundwater healthy.

Keep karst features clean to protect our karst groundwater and the health of specialized cave life.

Set an example for healthy living in a karst landscape.


Facebook, Twitter, and more coming soon!


This campaign was made possible through a collaborative partnership between the city of Bowling Green and WKU's Hoffman Environmental Research Institute. Funding for the project is from the Bowling Green Department of Public Works.

The mission of the Department of Public Works is to maintain the City's storm water, streets, landfills, public buildings, and traffic control for the protection of the public and improvement of the quality of life for the citizens of Bowling Green. Visit Site.

The mission of the Hoffman Environmental Research Institute is to be a leader in basic and applied research that aims to better understand landscape, atmosphere, water, and human interactions. Visit Site.

Crawford Hydrology Laboratory provides professional consulting and field and laboratory services regarding groundwater tracing in karst and non-karst areas. Visit Site.

The "Keep it Clean, Bowling Green" campaign works hard to not only educate the citizens of Bowling Green about litter but to also get them involved in prevention and clean-ups.