Illinois
Percent-full requires a source-published storage/capacity series or rating basis.
Cataloged as the #12 public-interest lake or reservoir record for Illinois. Matched to USACE NID record IL00146. Dam/source name: Lake Decatur Dam. River or stream: SANGAMON RIVER. Listed purposes: Recreation, Water Supply. This is a catalog metadata record until an observed water-data feed is attached.
Illinois source-backed lake page