Can you help with identifying this weed and a possible herbicide for it ? I assume below is crabgrass, what can I use to kill this weed ?

Hello Team, Need some help with my buffalo lawn. I have tried few things but feel like I am loosing the battle and need some guidance... Situation ...

During recent heavy downpour I saw water overflowing (or leaking) near our pergola gutter. We moved into this property few months back, so not sure if ...