To prevent contaminants from entering the well, a vermin-proof cap or cover must be on the well. ... The cover should be watertight and sealed to the casing to prevent rodents and other animals from entering the well casing. On large-diameter wells, the cover should have a sealed and locked access hole.

Should I cover my well pump?

Should I cover my well pump? In short, the answer is YES. Well pumps play a vital role in delivering water from the well to where it is needed. Properly covering expensive well pump equipment with a pump cover or enclosure protects it from the elements, weather and potential vandals.

How can I protect my well water?