Section Env-Wq 2101.19 - Basic Requirements for Industrial, Commercial, and Institutional (ICI) Water Users(a) Each ICI water user shall register and report water use to the department in accordance with Env-Wq 2102.(b) Each ICI water user shall identify the source(s) and amount of water used for existing and anticipated future uses of water associated with the ICI water user, including but not limited to the following:(c) Subject to (d), below, each ICI water user shall install and maintain water meters as described below prior to initiating a withdrawal from a conservation source: (1) A water meter shall be installed for each water source; and(2) All water meters shall be selected, sized, installed, and maintained in accordance with: a. The specifications of the manufacturer; andb. The procedures and protocols described in "Manual of Water Supply Practices, Water Meters - Selection, Installation, Testing, and Maintenance," document identification number AWWA M6, American Water Works Association, 2012, available as noted in Appendix A.(d) Each ICI water user that uses a conservation source for snowmaking shall measure water use associated with snowmaking as required by RSA 488:4-a.N.H. Code Admin. R. Env-Wq 2101.19