Laserfiche WebLink
2003 AHR McClane & Munger Canyon Mines Page 5 <br />than baseline values. GW-4 in close proximity to a hay field that is irrigated during dry <br />periods and in danger of being eroded with an oxbow, has been replaced with GW-3. <br />GW-3 is located adjacent to the road south of GW-4 and should be outside of the <br />influence of the irrigation of the hay field. Refer to Figure 4.2-2 of the McClane Canyon <br />Permit. The Division of Minerals & Geology has approved this substitution. <br />Pond Discharges <br />There was no discharge from the sediment ponds during the year. The sediment <br />fences at McClane, Munger Canyon and Loma were maintained as necessary. The <br />sediment trap (SAE-1) at the Munger Canyon mine portal was replaced by a rock check <br />dam and silt fence during the reporting period. <br />PROBABLE HYDROLOGIC CONSEQUENCES <br />The mines will have negligible effect upon the hydrologic regime of East Salt Creek. <br />The area disturbed is small, sedimentation and surface water systems have functioned <br />well for over ten years. The inherent poor quality of surface water in the area is the <br />• result of site specific environmental factors not from any impact caused by the mines. <br />Most storm events that have exceeded the design criteria required by the Division of <br />Minerals & Geology have not been a problem for the system to handle. The effect that <br />the mine has on the groundwater hydrology of East Salt Creek has not been detected. <br /> <br />