California Code of Regulations › Title 14 - Natural Resources › Division 2 - Department of Conservation › Chapter 8 - Mining and Geology › Subchapter 1 - State Mining and Geology Board › Article 2 - Areas Designated to be of Regional Significance › Section 3550.11 - Construction Aggregate Resources, North San Francisco Bay Region

Current through Register 2024 Notice Reg. No. 28, July 12, 2024
The areas for changes in designation, and termination of
						designation, are shown on three plates: Plate 1 (July 2015), Updated
						Designation in the North San Francisco Bay Production-Consumption Region,
						Marin, Napa, Sonoma and Southwestern Solano Counties, California -- Northern
						Part; Plate 2 (July 2015), Updated Designation in the North San Francisco Bay
						Production-Consumption Region, Marin, Napa, Sonoma and Southwestern Solano
						Counties, California -- Central Part; and Plate 3 (July 2015), Updated
						Designation in the North San Francisco Bay Production-Consumption Region,
						Marin, Napa, Sonoma and Southwestern Solano Counties, California --
						Northwestern and Southeastern Part.
The construction aggregate deposits in the following
						areas are designated as being of regional significance:
Sector A -- Channel and floodplain alluvium deposits
						located in Alexander Valley of Sonoma County; extends from approximately the
						City of Cloverdale downstream to a point 3.25 miles southeast of the community
						of Jimtown.
Sector B except for the subsectors referenced below that
						have had their designation terminated -- Alluvial deposits of the middle reach
						of the Russian River and a small portion of Dry Creek 0.5 miles west of
						Healdsburg. The sector extends from the City of Healdsburg down the Russian
						River to a point near the Wohler Road Bridge.
Sectors D-1 and D-2a -- Consists of Novato Conglomerate
						deposits located near Black Point in eastern Marin County.
Sector F -- A small aggregate deposit located west of the
						City of Cotati on Stony Point Road in Sonoma County.
Sector G -- Three contiguous parcels consisting of
						metamorphosed graywacke and greenstone deposits located east of the City of
						Vallejo at the southern end of Sulphur Springs Mountain.
Sector H -- Aggregate deposit located southeast of the
						City of Napa in Napa County.
Sector I -- Metamorphosed sandstone deposit located on
						Point San Pedro in eastern Marin County.
Sector K-1 -- Area east of Dunbar Union School and
						northeast of the community of Glen Ellen in Sonoma County.
Sector K-2 -- Area east of Dunbar Union School and
						northeast of the community of Glen Ellen in Sonoma County.
Sector L -- Small greenstone and pillow lavas deposits
						located in Millerton Gulch approximately 3.5 miles north of the community of
						Point Reyes Station in Marin County.
Sector M -- A small serpentinite deposit located in upper
						Bowman Canyon on Burdell Mountain approximately three miles northwest of Novato
						in Marin County.
Section N -- A small siltstone deposit located
						approximately one mile west of the community of Forestville and south of
						Highway 116.
Sector O -- A small siltstone deposit located
						approximately one mile west of the community of Forestville and north of
						Highway 116.
Sector P -- Located along the west side of Green Valley
						approximately three miles southwest of Forestville in Sonoma County.
Sector R -- Located approximately 2.5 miles southeast of
						the City of Petaluma in Sonoma County.
Sector S -- Located approximately five miles west of
						Petaluma on Petaluma Creek Road in Sonoma County.
Sector T -- Sandstone deposits located 1.5 miles north of
						Duncan Mills on Austin Creek in western Sonoma County.
Sector U -- Located at the confluence of the South Fork
						and Wheatfield Fork of the Gualala River in northwestern Sonoma County.
Sector V-1a -- Consists of andesite located on Burdell
						Mountain approximately two miles north of the City of Novato in Marin
						County.
Sector W -- Located on Porter Creek Road approximately
						four miles east of the community of Mark West Springs in eastern Sonoma
						County.
Sector X-1a -- Consists of sandstone and andesite located
						along Highway 121 approximately 2.5 miles north of Sears Point in southeastern
						Sonoma County.
Sector Y -- Shale deposit located approximately 2.5 miles
						west of Healdsburg in Sonoma County.
Sector AA -- Includes subsectors AA-1, AA-2, and AA-3,
						and comprised of alluvial deposits along the Gualala River in northwestern
						Sonoma County.
Sector DD -- Includes subsectors DD-1 and DD-2, and is
						located on Porter Creek Road approximately four miles east of the community of
						Mark West Springs in Sonoma County.
Sector EE -- Located approximately one mile west of the
						community of Forestville and south of Highway 16.
Sector FF -- Located approximately one mile west of the
						community of Forestville and north of Highway 16.
Sector GG -- Located approximately 1.5 miles north of
						Duncan Mills on Austin Creek in western Sonoma County.
Sector HH -- Located approximately 1.5 miles north of
						Duncan Mills on Austin Creek in western Sonoma County.
Sector II -- Located approximately 1.5 miles north of
						Duncan Mills on Austin Creek in western Sonoma County.
Sector JJ -- Located west of the City of Cotati on Stony
						Point Road in Sonoma County.
Sector KK -- An area south of Roblar Road approximately
						five and a quarter miles west of the City of Cotati in Sonoma County.
Sector LL -- An area south of Roblar Road approximately
						four and a half miles west of the City of Cotati in Sonoma County.
Sector MM -- Located southeast of the City of Napa in
						Napa County.
The following areas have had their designation
						terminated:
Sector B incorporating parts of Sectors B-2a, B-2b, B-2c,
						B-2d, B-4d and B-4e -- Located along the Middle Reach of the Russian River from
						Healdsburg south to its confluence with Mark West Creek: There are five areas
						terminated in Sector B-2a; two areas terminated in Sector B-2b; four areas
						terminated in Sector B-2c; two areas terminated in Sector B-2d; three areas
						terminated in Sector B-4d; and one area terminated in Sector B-4e. Also,
						including surrounding areas to all portions of both Sectors B-2 and B-4e, south
						of Dry Creek and west of the Russian River, corresponding to a conservation
						easement area.
Sectors C-2a and C-3 -- Sector C-2a along Sonoma Creek,
						north of the City of Sonoma and Sector C-3 on the northwestern edge of the City
						of Sonoma. These two areas have been terminated.
Sector D-2b -- This sector at the southern end of a
						prominent ridge in the easternmost part of the City of Novato has been
						terminated.
Sector E -- This Sector is at the northern end of
						Petaluma Hill and is mostly within the City of Petaluma. Sector E has been
						terminated.
Sector J -- This Sector is at the eastern end of Burdell
						Mountain. This Sector has been terminated.
Sector Q -- This Sector is north of Highway 1, about 2.5
						miles east of the community of Bodega Bay. The Sector has been
						terminated.
Sector V (partial) -- This Sector (V-1b) is on Burdell
						Mountain. Six acres of the Sector have been terminated.
Sector X (partial) -- This Sector (X-1b) is on the east
						side of Highway 121, about seven miles south of Sonoma. The northern portion of
						the Sector has been terminated.
1. New
						section filed 12-3-86, effective thirtieth day thereafter (Register 86, No.
						49).
2. Amendment of section and NOTE filed 2-9-2016; operative
						4-1-2016 (Register 2016, No. 7).
Note: Authority cited: Sections
						  2790
						  and
						  2793,
						  Public Resources Code. Reference: Sections
						  2726,
						  2761-
						  2763
						  and
						  2790-
						  2792,
						  Public Resources Code.