Surface water refers to any body of water that is found on the Earth's surface, such as rivers, lakes, ponds, and reservoirs. This type of water is crucial for various ecosystems and human activities, providing habitats for wildlife and serving as a source for drinking water, irrigation, and recreation. Surface water is replenished by precipitation, such as rain and snow, and can be affected by factors like evaporation and human activities, including agriculture and urban development. Proper management of surface water is essential to maintain its quality and availability for future generations.