Prohibitions

Prohibitions. Prohibitions. The following activities are prohibited: (1) Construction of a class I injection well or use of a well as a class I injection well. (2) Construction of a class II injection well or use of a well as a class II injection well. (3) Construction of a class III injection well or use of a well as a class III injection well. (4) Construction of a class IV injection well or use of a well as a class IV injection well, unless the well is to be used to reinject treated contaminated groundwater back into the formation from which the groundwater was drawn and is approved by the department as part of a remedial action necessary for the cleanup of soil or groundwater contamination as specified in s. NR 665.0430 (2) (5) Construction of a class V injection well or use of a well as a class V injection well without the approval of the department, or other designated regulatory agency as specified in subch. IV , unless the construction or use of the class V injection well is specifically allowed by administrative rule. The following activities are allowed: (a) Circulation of water or food-grade heat exchange fluid through a closed-loop heat pump system in a drillhole. (b) Construction of a structure such as, but not limited to, a building foundation, support footing, elevator shaft, lift station, utility conduit, sump, mine shaft or equipment vault. (c) Placement of a solid object such as, but not limited to, a cathodic protection device, coffin, piling, pole or post. (d) Horticultural or agricultural practices, other than those activities that involve the use of a well or drillhole for the placement of a waste material or drainage water underground. (e) Injection activities conducted in conjunction with placement of backfill into an underground nonferrous metallic mine approved under ch. NR 132 or in connection with placement of backfill into an underground ferrous mine approved under subch. III of ch. 295 , Stats. (6) Operation, maintenance, conversion, plugging, closure or any other alteration of an injection well in a manner that results in a violation of the provisions of ch. 160 , Stats., or otherwise results in the endangerment of an underground source of drinking water. (7) Construction or use of a large-capacity cesspool. (8) Construction or use of a new injection well to disperse or otherwise discharge a fluid containing a waste from motorized vehicle repair or maintenance activities underground. (9) Construction or use of an improved sinkhole to place drainage water, wastewater or any other fluid containing a pollutant or substance underground.