upgradient

Meaning

1. adjective A position up along a gradient from a starting position.
2. adjective a location that is the source groundwater for another location; similar to upstream.

   Uncontaminated groundwater is found upgradient of a contamination source.

3. adverb The reverse direction along a gradient.
4. adverb a direction that groundwater flows from.

Similar words

gradient ascendant resurgent ortholinear vert geopositioned level one-start vertical trailing

Often followed by

of and from wells well or side to monitoring