(a) Where gravel bars are to be removed, there shall be minimal disturbance of established, mature riparian vegetation and there shall be preservation of geomorphic controls on channel gradient where they exist. Complete removal of gravel bars may be recommended by the TAC and approved by the Director only if hydraulic conditions related to the bar are recognized to threaten structures and property.
(b) Aggregate material to be removed from the streambed or streambank under approved in-channel projects shall be removed as soon as is practicable after deposition, prior to the establishment of vegetation. No stockpiles shall be left within the channel after material removal has been completed.
(c) The amount of aggregate removed from the channel shall be limited to the average annual amount of sand and gravel (and associated fines) deposited since the last prior year of inchannel material removal as estimated by the TAC based on channel topography and bathymetry, not to exceed 690,800 tons annually on average over a ten (10) year period, except where bank widening is necessary as a part of implementing the Channel Form Template, or where potential erosion and flooding problems exist. The amount and location of in-channel aggregate material removal shall be carried out according to the ongoing recommendations of the TAC and any related County approvals, with the voluntary cooperation of the landowners.
(d) Aggregate material removed pursuant to this ordinance may be sold (CCRMP, Section 6.1, para. 5). This material is excluded from the tonnage allocation assigned to each off-channel operator pursuant to an approved FHDP (CCRMP, Section 6.1, para. 7).
(e) The volume of aggregate material removed pursuant to this ordinance shall be reported to the County on an annual and total-per-permit basis.
(f) Unless a subsequent environmental impact assessment is completed or a determination is made that a subsequent environmental impact assessment is not necessary, the combined volume of aggregate material removed from in-channel and off-channel sources that is transported on the County roadway network in any given year shall not exceed the annual allocation assigned to the applicable off-channel operator (as specified in their approved mining permit). (as amended by Ord. 1518, eff. February 13, 2020)