Although the rain has currently stopped, the river levels have yet to crest. MSD has learned a lot from the December 2015 floods and we are putting those “lessons learned” into practice with this flood event. We prepared early in anticipation of this past weekend’s heavy downpours, which dropped 7 – 8 inches of rain over the last 5 days.
Here are some of the preemptive efforts MSD is doing to help prevent basement backups and flooding of treatment plants and pump stations:
The Meramec River at Valley Park, location of the Grand Glaize Wastewater Treatment Plant, is expected to crest on Wednesday morning, May 3, at 44.1 feet—matching the crest in January 2015. MSD has constructed a temporary concrete block wall, reinforced with sandbags, around the Grand Glaize treatment plant. The wall will be higher than the hastily erected sandbag wall, prior to the December 2015 flood. Sensitive equipment within the building is being relocated or protected—in case of a breach. Staff is prepared, with supplies, to remain at the plant for up to 48 hours.