Answer:
Depth of groundwater and distance to local lakes, rivers, and farms.
Explanation:
Garbage's are waste from humans that can be environmentally harmful and toxic to human health. Some of this materials are non biodegradable .
These materials causes environmental contamination to ground water which human depends on for drinking. If this waste are not properly manage it could contaminate local water bodies like lakes, rivers etc.
The farm is not left out from waste contamination . Chemical waste could reduce the capacity of farm produce.
Considering environmental parameters before purchasing the needed land for waste disposal the waste manager should take into cognizance of depth of groundwater and distance to local lakes, rivers, and farms.