Agenda - Council - 07/28/2015 - Laserfiche WebLink

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Safe Yield Amount of groundwater that can be withdrawn from an aquifer system without degrading the quality of the aquifer and without allowing the long- term average withdrawal to exceed the available long-term average recharge to the aquifer system. Minnesota Administrative Rules 6115.0630 defines "Safe yield for water table condition" as the amount of groundwater that can be withdrawn from an aquifer system without degrading the quality of water in the aquifer and without allowing the long term average withdrawal to exceed the available long term average recharge to the aquifer system based on representative climatic conditions. Minnesota Administrative Rules 6115.0630 defines "Safe yield for artesian condition" as the amount of groundwater that can be withdrawn from an aquifer system without degrading the quality of water in the aquifer and without the progressive decline in water pressures Saturated Zone Zone with only water in the interconnected spaces. Simulation The imitative representation of the functioning of one system or process by means of the functioning of another, such as a computer simulation of groundwater flow. Soil Moisture Moisture contained in the soil above the water table, including water vapor. Source Water Protection Source water refers to water from streams, rivers, lakes or underground aquifers that is used for drinking. There are three primary parts to Minnesota's Source Water Protection Program, administered by the MN Department of Health: 1. Wellhead Protection 2. Source Water Assessments 3. Protection of Surface Water Intakes Special Well and A Special Well and Boring Construction Area is sometimes also called a Boring well advisory. It is a mechanism which provides for controls on the drilling Construction Area or alteration of public and private water supply wells, and monitoring wells in an area where groundwater contamination has, or may, result in risks to the public health. The purposes of a Special Well and Boring Construction Area are to inform the public of potential health risks in areas of groundwater contamination, provide for the construction of safe water supplies, and prevent the spread of contamination due to the improper drilling of wells or borings. Specified Flow Cumulative depletion of groundwater that results in greater than 15% reduction of groundwater base flow, as represented by average August flow rate. Stormwater Surplus surface water generated by rainfall that does not seep into the earth but flows overland to flowing or stagnant bodies of water. (See also runoff.) DNR defines stormwater more specifically as runoff from impervious surfaces. WATER SUPPLY MASTER COMMUNITY HIGHLIGHTS PLAN- Draft June 2015