Title Definition
Vadose Zone Well

A vadose zone well is constructed in the interval between the land surface and the top of the static water level. A.A.C. R12-15-801(26).

Variance

A variance is a request to construct or abandon a well in a manner that does not conform to one or more provisions of A.A.C. Title 12, Chapter 15, Article 8, (rules governing the well construction and the licensing of drillers) due to extraordinary or unusual conditions. Variances must be requested in writing, or by checking applicable responses on certain types of NOI forms.

Vault

A tamper-resistant watertight structure used to complete a well below the land surface.(R12-15-801)