Indiana Administrative Code (Last Updated: December 20, 2016) |
Title 312. NATURAL RESOURCES COMMISSION |
Article 312IAC25. COAL MINING AND RECLAMATION OPERATIONS |
Rule 312IAC25-1. Definitions |
Section 312IAC25-1-67. "Hydrologic balance" defined
Latest version.
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"Hydrologic balance" means the relationship between the quality and quantity of water inflow to water outflow from and water storage in a hydrologic unit, such as a drainage basin, aquifer, soil zone, lake, or reservoir. It encompasses the dynamic relationships among precipitation, run-off, evaporation, and changes in ground and surface water storage. (Natural Resources Commission; 312 IAC 25-1-67; filed Jun 21, 2001, 2:53 p.m.: 24 IR 3412, eff Dec 1, 2001; readopted filed May 29, 2007, 9:51 a.m.: 20070613-IR-312070146RFA; readopted filed Sep 19, 2013, 10:12 a.m.: 20131016-IR-312130125RFA)