Environmental well.
"Environmental well" means an excavation 15 or more feet in depth that is drilled, cored, bored, washed, driven, dug, jetted, or otherwise constructed to:
(1) conduct physical, chemical, or biological testing of groundwater, and includes a groundwater quality monitoring or sampling well;
(2) lower a groundwater level to control or remove contamination in groundwater, and includes a remedial well and excludes horizontal trenches; or
(3) monitor or measure physical, chemical, radiological, or biological parameters of the earth and earth fluids, or for vapor recovery or venting systems. An environmental well includes an excavation used to:
(i)measure groundwater levels, including a piezometer;#
(i) measure groundwater levels, including a piezometer;
(ii)determine groundwater flow direction or velocity;#
(ii) determine groundwater flow direction or velocity;
(iii) measure earth properties such as hydraulic conductivity, bearing capacity, or resistance;
(iv) obtain samples of geologic materials for testing or classification; or
(v) remove or remediate pollution or contamination from groundwater or soil through the use of a vent, vapor recovery system, or sparge point.
new text begin An environmental well does not include an exploratory boring. new text end