My sister from Colorado made a surprise visit this past month for my birthday. So of course, I took her to see the beaver dams. We went to what we like to call the Roadside Dam. It isn’t really on a road, but the beavers built the dam right up to an ATV trail. (I think they are learning that if they don’t flood the ATV trails, they won’t get their dams destroyed by ATV riders as often.)
Well, I took my sister to the dam and we saw that it was breached. There was a lot of water flowing out of the side of the dam. This is the beaver pond that is so deep I can’t even walk into it with my waders because the water height would fill my waders with water and sink me.
Breach in the dam. Nov 21, 2021 Atascadero. 
Another view of the breach, Nov 21, 2021
We got to return to the dam 2 days later, just to see how the leak was doing. And it wasn’t really a surprise, but the breach was completely repaired.
Breach repaired. Nov 23, 2021 
Breach repaired, Nov 23, 2021
It’s so great to see the beavers tending their structures. Their maintenance abilities are unsurpassed.