Bad areas in Centipede

Centipede sodded about 2 years ago. Over the last few months I’ve developed areas as seen. I’m attributing to lack of water. The grass in the areas are not loose or easy to pull. It’s all firmly rooted.

Agree this is just not enough water? I’ve been hitting the areas 2-3 times a week for a couple weeks now. But we’ve gotten very little rain and of course it’s been 100 every day. The bad areas are mostly on slopes. And most are close to a concrete retaining wall.

I’m have irrigation installed next week. Watering will be solved.

Any recommendations?