That's right: wells require maintenance. If you're used to your water being provided as a utility by the city, this might be a new concept for you.
A well is not a utility service. It's an appliance. And, like all your appliances, it requires maintenance to function properly.
More importantly, the consequences of neglecting this maintenance are quite severe. Your tap water could become unsafe for drinking.
Or, you may end up with no tap water at all! Also, maintenance prevents the need for expensive water well repair.
To learn all about the extreme importance of water well maintenance, please read through this guide.