Description: The surface and subsurface area surrounding a water well or well field that supplies a municipal residential system or other designated system through which contaminants are reasonably likely to move so as to eventually reach the water well or well.
Description: A Significant Recharge Area (SGRA) is an area within which it is desirable to regulate or monitor drinking water threats that may affect the recharge of an aquiferThis layer provides the user with information regarding the significant recharge area and non-significant recharge area in each subwatershed. The significant recharge area is deemed as the score is greater than 1.15 times the mean score in the subwatershed.
Description: WHPA-Q1 is the combined area that is the cone of influence of the well and the whole of the cones of influence of all other wells that intersect that area. WHPA-Q2 is the area of WHPA-Q1 and any area where a future reduction in recharge would significantly impact that area.
Description: As per rule #117.3 The area within the vulnerable area where drinking water threats may contribute to the parameter or pathogenThe area of land where drinking water threats may contribute to a known drinking water issue. For example, if Trichloroethylene (TCE) is determined to be an Issue, the area from which the source of TCE is determined is called the Issues Contributing Area.