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<br /> (d) Surface runoff and drainage from surface mining In addition to the standards for topsoil salvage, i
<br /> activities shall be controlled by berms, silt fences, maintenance, and redistribution, non-prime agricultural
<br /> sediment ponds, revegetation, hay bales, or other erosion lands shall be reclaimed so as to be capable of sustaining
<br /> control measures, to ensure that surrounding land and economically viable production of crops commonly grown
<br /> water resources are protected from erosion, gullying, in the surrounding areas.
<br /> sedimentation and contamination.Erosion control methods NOTE: Authority cited: Sections 2755, 2756 and 2773,
<br /> shall be designed to handle runoff from not less than the Public Resources Code. Reference: Section 2773, Public
<br /> 20 year/I hour intensity storm event. Resources Code.
<br /> (e) Where natural drainages are covered, restricted, § 3709. Performance Standards for Building, l'
<br /> rerouted, or otherwise impacted by surface mining Structure, and Equipment Removal. i
<br /> activities, mitigating alternatives shall be proposed and (a)All equipment,supplies and other materials shall be hlll
<br /> specifically approved in the reclamation plan to assure that stored in designated areas (as shown in the approved
<br /> runoff shall not cause increased erosion or sedimentation. reclamation plan). All waste shall be disposed of in
<br /> (f) When stream diversions are required,they shall be accordance with state and local health and safety
<br /> constructed in accordance with: ordinances.
<br /> (1)the stream and lake alteration agreement between (b) All buildings, structures, and equipment shall be
<br /> the operator and the Department of Fish and Game, and dismantled and removed prior to final mine closure except
<br /> (2) the requirements of the Federal Clean Water Act, those buildings,structures,and equipment approved in the F
<br /> Sections 301 (33 U.S.C. 1311) and Section 404 133 reclamation-plan as necessary for the end use.
<br /> U.S.C. 1344)and/or Section 10 of the Rivers and Harbors NOTE: Authority cited: Sections 2755, 2756 and 2773,
<br /> Act of 1899 (33 U.S.C. 403). Public Resources Code. Reference: Section 2773, Public
<br /> (g)When no longer needed to achieve the purpose for Resources Code. t.
<br /> which they were authorized, all temporary stream channel § 3710. Performance Standards for Stream
<br /> diversions shall be removed and the affected land Protection, Including Surface and Groundwater.
<br /> reclaimed. (a) Surface and groundwater shall be protected from ;
<br /> NOTE: Authority cited: Sections 2755, 2756 and 2773, siltation and pollutants which may diminish water quality
<br /> Public Resources Code. Reference: Section 2773, Public as required by the Federal Clean Water Act, sections 301
<br /> Resources Code. - at seq. (33 U.S.C. section 1311), 404 et seq. 133 U.S.C:
<br /> § 3707.Performance Standards for Prime Agricultural section 1344), the Porter-Cologne Act, section 13000 at
<br /> Land Reclamation. In addition to the standards for topsoil seq., County anti-siltation ordinances,the Regional Water
<br /> salvage, maintenance, and redistribution, the following Quality Control Board or the State Water Resources
<br /> standards shall apply to mining operations on prime Control Board.
<br /> agricultural lands where the approved end use is (b) In-stream surface mining operations shall be
<br /> agriculture: conducted in compliance with Section 1600 et seq.of the
<br /> (a) Mining operations which will operate on prime California Fish and Game Code, section 404 of the Clean
<br /> agricultural lands,as defined by the U.S.Soil Conservation Water Act, and Section 10 of the Rivers and Harbors Act
<br /> Service, shall return all disturbed areas to a fertility level of 1899 (33 U.S.C. 403).
<br /> as specified in the approved reclamation plan. (c) Extraction of sand and gravel from river channels
<br /> (b) When distinct soil horizons are present, topsoil shall be regulated to control channel degradation in order
<br /> shall be salvaged and segregated by defined A, B, and C to prevent undermining of bridge supports, exposure of
<br /> soil horizons. Upon reconstruction of the soil, the pipelines or other structures buried within the channel,
<br /> sequence of horizons shall have the A atop the B, the B loss of spawning habitat, lowering of ground water levels,
<br /> atop the C, and the C atop graded overburden. destruction of riparian vegetation, and increased stream
<br /> (c) Reclamation shall be deemed complete when bank erosion(exceptions may be specified in the approved 1
<br /> productive capability of the affected land is equivalent to reclamation plan). Changes in channel elevations and bank /
<br /> or exceeds, for two consecutive crop years, that of the erosion shall be evaluated annually using records of annual
<br /> premining condition or similar crop production in the area. extraction quantities and benchmarked annual cross
<br /> Productivity rates, based on reference areas described in sections and/or sequential aerial photographs to determine
<br /> the approved reclamation plan, shall be specified in the appropriate extraction locations and rates.
<br /> approved reclamation plan. (d) In accordance with requirements of the California
<br /> (d) Use of fertilizers or.other soil amendments shall Fish and Game Code section 1600 et seq., in-stream
<br /> not cause contamination of surface or ground water. mining activities shall not cause fish to become entrapped
<br /> NOTE: Authority cited: Sections 2755, 2756 and 2773, in pools or in off-channel pits, nor shall they restrict
<br /> Public Resources Code. Reference: Section 2773, Public spawning or migratory activities.
<br /> Resources Code. NOTE: Authority cited: Sections 2755, 2756 and 2773,
<br /> § 3708. Performance Standards for Other Agricultural Public Resources Code. Reference: Section 2773, Public
<br /> Land. The following standards shall apply to agricultural Resources Code.
<br /> lands, other than prime agricultural lands, when the
<br /> approved end use is agriculture.
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