Regulations often require concrete washout as a stormwater BMP; proper setup, daily inspections
https://wiki-velo.win/index.php/Portable_Concrete_Washout_Systems:_Benefits,_Costs,_and_ROI
Regulations often require concrete washout as a stormwater BMP; proper setup, daily inspections, and documented maintenance help projects meet EPA and local MS4 permit conditions and avoid costly fines.