Nestled in the heart of Montgomery County, Illinois, Hillsboro Old City Lake stands as a serene and expansive body of water covering an area of 100 acres. This picturesque lake has become a haven for anglers and nature enthusiasts alike, offering a diverse array of fish species and recreational opportunities. The 2017 survey of Hillsboro Old City Lake provides valuable insights into the thriving aquatic ecosystem within its shores. Bluegill, a beloved species among anglers, commands an excellent rating. The survey reveals an impressive abundance of bluegill with a size distribution that reflects their robust health. The collected bluegill showcase an enviable condition, promising an exceptional angling experience for those seeking these sunfish. Channel Catfish, another prominent inhabitant of the lake, receives a very good rating. The survey underscores the impressive nature of the channel catfish population, boasting high numbers, substantial sizes, and excellent overall condition. This makes Hillsboro Old City Lake an enticing destination for catfish enthusiasts. The Crappie populations, both White and Black, earn a good rating. While the survey indicates low numbers of White Crappie in the sample, the collected specimens demonstrate a size range of 7-8.5 inches. It's important to note that the survey timing might not fully represent the true crappie populations due to the season. However, the presence of both White and Black Crappie suggests the potential for a robust crappie fishery within the lake. Largemouth Bass, the prized predators of freshwater, receive a good rating as well. The 2017 survey reveals an increase in bass numbers from the previous assessment, showcasing a promising trend. The size distribution of the collected largemouth bass is commendable, with good numbers of larger individuals. While natural reproduction and recruitment may be slightly lower than optimal, the lake supports a healthy bass population with potential for growth. Hillsboro Old City Lake stands not only as a fishing destination but also as a tranquil retreat for those seeking solace in nature. The shimmering waters and surrounding landscape create an idyllic setting for outdoor activities, making it a beloved spot for both locals and visitors. As Hillsboro Old City Lake continues to flourish, it remains a testament to the delicate balance between conservation and the enjoyment of nature's wonders.