We were in a drought for about 10 years, but are no more. The rain/snowfall is at ~125% of normal, which is about 50% more than we had from about 2002 to 20012. It takes a while for subterranean water to move. There are things called "perched water" and even underground rivers that had no pressure which are now seeing pressure, so things are a changing. I have worked on a lot of cases in the last 6 months related to sump pumps, foundation movement, etc. that is directly related to an increase in the top layer of soils. A 10% grade 5 feet around the perimeter of your flat-work and foundation with the downspouts going out 5 feet is proper. Maintenance of those is the owners responsibility and if you end up with damage, lack of maintenance is grounds for a denial of claim in most cases.

Also realize that the pump will evacuate the sump down to about 3/4" of water if you have a slack float and when it turns off, some or all of the water in the riser will drain back into the sump. The evacuation level is a few inches with a shaft mounted float.

A shop vac can be used to clean out the sump and that should be done annually. A 5 gallon bucket billed with lime-away is nice to descale and such, but that will be pumped out to ground level, so if you want to take the extra step for pump longevity, have a way to catch that 5 gallons.