Jun 23, 2026Explore the water quality of the Ohio River versus the Mississippi River and learn about their pollution challenges and environmental impact.

Jun 20, 2026Discover the unique flow direction of the Chicago River and the historical engineering reversal to protect Lake Michigan's water supply.

Jun 14, 2026Discover how Chicago reversed its river flow through the Chicago Sanitary and Ship Canal to protect its drinking water from sewage contamination.

Jun 13, 2026Discover whether the Ohio River is freshwater or saltwater and learn about its role as a tributary to the Mississippi River.

Jun 7, 2026Discover where the Ohio River empties and how it connects to the Gulf of Mexico through the Mississippi River.

May 27, 2026Discover how Chicago reversed the Chicago River’s flow using the Sanitary and Ship Canal to protect Lake Michigan’s water in the 19th century.