Gross Dam Raise Tops Out at 470 Feet
CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins86% CONFIDENCEOverall confidence: 86%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or betterHappened as dated, per the source[1]: "workers placed the final load of roller-compacted concrete on the top of the dam, bringing Gross Dam to a height of 470 feet."
Denver Water finished raising Colorado's Gross Dam by 131 feet, topping out the concrete work that will nearly triple the reservoir's storage capacity.