SNOFLO


       
       

IOWA RESERVOIR LEVELS

April 26 2025
       

Iowa's dams and reservoirs currently present varied storage levels, with some sites reporting gage heights below their seasonal averages. As of April 26, 2025, Clear Lake at Clear Lake and Black Hawk Lake at Lake View are slightly below their typical levels, with measurements at 4 feet and 7 feet, respectively, against averages of 4.51 feet and 7.13 feet. Lake Panorama at Panora and Spirit Lake near Orleans also follow this trend, with current gage heights at 45 feet and 14 feet, against their averages of 45.43 feet and 14.03 feet, respectively. Contrastingly, Corydon Lake shows a significant increase in streamflow to 5 cubic feet per second from an average of 1.96, which could indicate abnormal runoff or precipitation events. Rathbun Lake near Rathbun is slightly below its average gage height, with a current level of 904 feet compared to the average of 906.53 feet.

The discrepancies observed in the reservoir data could be attributed to recent weather patterns, including severe storms and above-average rainfalls reported across Iowa. According to The Des Moines Register, parts of Iowa received over 3 inches of rain, potentially contributing to increased streamflow and affecting reservoir storage levels, as seen in Corydon Lake's elevated readings. Meanwhile, lower-than-average gage heights at major reservoirs such as Clear Lake and Black Hawk Lake may reflect a lag in runoff accumulation or an ongoing recovery from prior drought conditions that have shown improvement after rainy periods. It is important for stakeholders and residents to stay informed on weather alerts and safety advisories, particularly with the expectation of strong storms, as reported by KCCI and Yahoo. This situation underscores the dynamic interplay between weather events and water resource management, which requires continuous monitoring and possibly adaptive responses to ensure safety and sustain water supply needs.

Reservoirs & Dams