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<br />2531.11 <br /> <br />001832 <br /> <br />. <br /> <br />TITLE 2500 - WATERSHED MANAGEMENT <br /> <br />2531.11 - Water Resource Inventories. Water resource inven- <br />tories are used as information sources in conducting water <br />investigations. Water resource inventories have four basic <br />elements. These elements are: <br /> <br />1. Surface and Ground Water Supply. <br />tion of the quantity, timing, frequency, <br />tion, and sources of water. <br /> <br />1bis is a descrip- <br />duration, distribu. <br /> <br />2. Climate. A composite of generally prevailing clima- <br />tological conditions as measured by absolute extremes, means, <br />ranges, and seasonal distribution. <br /> <br />3. Water Quality. Describes four basic properties of <br />available water resources: physical, chemical, biological <br />(including microbiological), and radiological. Each prop- <br />erty is comprised of a group of variables for which quanti- <br />tative information can be obtained (see National Handbook of <br />Recommended Methods for Water-Data Acquisition, Office of <br />Water Data Coordination, Geologic Survey, U.S. Department <br />of the Interior, 1977). <br /> <br />. <br /> <br />4. Physiographic. Terrestrial features which assist in <br />the interpretation and analysis of the other water resource <br />inventory elements are mapped and described. Include those <br />physical factors which affect the presence of water in the <br />environment and how water is transported and stored. <br /> <br />2531.2 - Investi~ation Planning. Establish clear objectives <br />to ensure that data collection and analysis are accomplished <br />at the level appropriate to the need. Concentrate on curcent <br />needs, but if future needs can be clearly defined, plan data <br />collection also to satisfy this need. As a minimum, include <br />the following information in work plans: <br /> <br />1. Purpose of Investigation. Issues and concerns. <br /> <br />2. Goals. Specific questions to be resolved, expected <br />output, and reason for element/order selection. <br /> <br />3. Methods and Techniques Used and Procedures Followed <br />in Collection, Analysis, and Interpretation. <br /> <br />4. Data and Support Required. Data collection required, <br />computer sottware, equipment and support personnel needed. <br /> <br />. <br /> <br />*-FSM 2/86 AMEND 47-* <br /> <br />e <br /> <br />e <br /> <br />e <br /> <br />e <br /> <br />e <br />