The areas for designation are shown on four Plates: Plate 1, Designation in the San Luis Obispo-Santa Barbara Production-Consumption (P-C) Region, California -- Northern Part (2015); Plate 2, Designation in the San Luis Obispo-Santa Barbara Production-Consumption Region, California -- Middle Part (2015); Plate 3, Designation in the San Luis Obispo-Santa Barbara Production-Consumption Region, California -- Southern Part (2015); and Plate 4, Designation in the San Luis Obispo-Santa Barbara Production-Consumption Region, California -- Cuyama Valley (2015). These Plates are incorporated by reference into this regulation. These maps are available from the State Mining and Geology Board's office in Sacramento.
The construction aggregate deposits in the following areas are designated as being of regional significance:
Sector A -- Deposits of the Salinas River Resource Area: Deposits in the recent river channel and adjacent floodplain along about fourteen miles of the Salinas River, from the southeastern city limits of Atascadero north (downstream) to the Niblick Road Bridge in the city of Paso Robles. Sector A has been subdivided into five subsectors identified as A-1a, A-1b, A-2a, A-2b, and A-3 (Plate 1). Portions of this Sector are under the land use jurisdiction of the County of San Luis Obispo, City of Paso Robles, and City of Atascadero.
Subsector A-1a: Section 4, T27S, R12E, MDBM, (projected), and in the flood plain of the Salinas River east of US Highway 101, south of Niblick Road, and north of an unnamed pipeline.
Subsector A-1b: Sections 4, 9, 16, 20, 21, 28, 29, and 32, T27S, R12E, MDBM, (projected), and in the flood plain of the Salinas River east of US Highway 101, south of an unnamed pipeline, and north of Templeton Road.
Subsector A-2a: Sections 32, 33, T27S, R12E; 3, 4, 5, and 10, T28S, R12E, MDBM, (projected), and in the flood plain of the Salinas River east of US Highway 101, south of Templeton Road, and north of State Highway 41.
Subsector A-2b: Sections 10, 11, 14, and 15, T28S, R12E, MDBM, (projected), and in the flood plain of the Salinas River east of US Highway 101 and Sycamore Road, south of State Highway 41, west of Templeton Road, and north of unnamed pipelines.
Subsector A-3: Sections 13, 14, 23, 24, and 25, T28S, R12E, MDBM, (projected), and in the flood plain of the Salinas River east of US Highway101, south of unnamed pipelines, and west of Rocky Canyon Road.
Sector B -- Deposits of the Navajo Creek Resource Area: Deposits of the active channel and floodplain of Navajo Creek, from one-and-a-half miles upstream of the Highway 58 crossing to about three miles upstream of the crossing (Plate 1). This Sector is under the land use jurisdiction of the County of San Luis Obispo.
Sector B: Sections 15 and 16, T29S, R16E, MDBM, and is in the flood plain of Navajo Creek south of State Highway 58, and east of USFS Road 29S15.
Sector C -- Deposits of the La Panza Granitics Resource Area: The La Panza Granitics outcrop southeast of the City of Atascadero. Sector C is divided into four subsectors identified as C-1a, C-1b, C-2, and C-3 (Plate 1). This Sector is under the land use jurisdiction of the County of San Luis Obispo.
Subsector C-1a: Sections 19, 20, 27, 28, 29, 30, 32, 33, 34, 35, T28S, R13E; 2, 3, 4, 5, 9, 10, and 11, T29S, R13E, MDBM, and is in the La Panza Granitics south of State Highway 41, east of the Salinas River, north of State Highway 58, and west of State Highway 229.
Subsector C-1b: Sections 35, 36, T28S, R13E; 1, 2, and 11, T29S, R13E, MDBM, and is in the La Panza Granitics north of State Highway 58, and east of State Highway 229.
Subsector C-2: Sections 1, 2, 10, 11, 12, 13, 14, T29S, R13E; 7, 8, 17, 18 and 19, T29S, R14E, MDBM, and is in the La Panza Granitics south of State Highway 58, north and east of Parkhill Road.
Subsector C-3: Sections 10, 13, 14, 15, 22, 23, 24, 25, 26, 27, 35, 36, T29S, R13E; 18, and 19, T29S, R14E, MDBM, and is in the La Panza Granitics east of West Pozo Road, south of State Highway 58 and Parkhill Road, and north of Las Pilitas Road.
Sector D -- Deposits of the Santa Maria River Resource Area: Alluvial deposits of the active river channel and adjacent floodplain of the Santa Maria River. This Sector includes land in both San Luis Obispo and Santa Barbara counties and is divided into 41 subsectors identified as D-1 through D-11, and D-13 through D-37 (Plate 2). Portions of this Sector are under the land use jurisdiction of the County of San Luis Obispo, County of Santa Barbara, and City of Santa Maria.
Subsector D-1: Sections 22, 23, 25, 26, 27, T11N, R35W; and 30, T11N, R34W, SBBM, (projected), and is in the flood plain of the Santa Maria River south of Nipomo Mesa, north of Division Street and Oso Flaco Lake Road, east of State Highway 1 (Guadalupe Road), and west of US Highway 101.
Subsector D-2: Sections 28, 29, 30, 31, 32, 33, T11N, R34W; 25, and 36, T11N, R35W, SBBM, (projected), and is in the flood plain of the Santa Maria River south of Nipomo Mesa, Division Street and Riverside Road; east of Bonita School Road; north of the Santa Maria River flood control channel; and west of US Highway 101.
Subsector D-3: Sections 26, 27, 34, and 35, T11N, R35W, SBBM, (projected), and is in the flood plain of the Santa Maria River south of Oso Flaco Lake Road, north of Division Street, and east of State Highway 1 (Guadalupe Road).
Subsector D-4: Sections 25, 26, 34, 35, and 36, T11N, R35W, SBBM, (projected), and is in the flood plain of the Santa Maria River south of Division Street, west of Bonita School Road, north of the Santa Maria River flood control channel, and east of State Highway 1 (Guadalupe Road).
Sector D-5: Sections 35, 36, T11N, R35W; 1, and 2, T10N, R35W, SBBM, (projected), and is in the flood control channel of the Santa Maria River south of Division Street, west of Bonita School Road, north of State Highway (West Main Street), and east of State Highway 1 (Guadalupe Road).
Subsector D-6: Sections 36, T11N, R35W; 1, T10N, R35W; 31, 32, 33, T11N, R34W; and 6, T10N, R34W, SBBM, (projected), and is in the flood control channel of the Santa Maria River south of Division Street, east of Bonita School Road, north of State Highway 166 (West Main Street), and west of an unnamed utility corridor and US Highway 101.
Subsector D-7: Sections 32, 33, and 34, T11N, R34W, SBBM, (projected), and is in the flood control channel of the Santa Maria River south of Nippon Mesa, east of an unnamed utility corridor, west of US Highway 101, and north of Atlantic Place and the City of Santa Maria.
Subsector D-8: Sections 34 and 35, T11N, R34W, SBBM, (projected), and is in the flood control channel of the Santa Maria River east of an unnamed utility corridor, west of US Highway 101, and north of Atlantic Place and the City of Santa Maria.
Sector D-9: Sections 1 and 2, T10N, R35W, SBBM, (projected), and is in the flood plain of the Santa Maria River south of the Santa Maria River flood control channel, west of Bonita School Road, and north of State Highway 166 (West Main Street).
Subsector D-10: Sections 1, T10N, R35W; 31, 32, T11N, R34W; 5, 6, and 7, T10N, R34W, SBBM, (projected), and is in the flood plain of the Santa Maria River south of the Santa Maria River flood control channel, east of Bonita School Road, north of State Highway 166 (West Main Street), and west of an unnamed utility corridor.
Subsector D-11: Sections 32, 33, T11N, R34W; 4, and 5, T10N, R34W, SBBM, (projected), and is in the flood plain of the Santa Maria River south of the Santa Maria River flood control channel, east of an unnamed utility corridor, north of West Donovan Road, and west of North Blosser Road and the City of Santa Maria.
Note: There is no Subsector D-12
Subsector D-13a: Sections 35, T11N, R34W; 1, and 2, T10N, R34E, SBBM, and is in the flood control channel of the Santa Maria River east of US Highway 101, north of Seaward Drive, and west of Bull Canyon Road.
Subsector D-13b: Sections 1, 12, T10N, R34E; 6, 7, 8, 15, 16, 17, 21, 22, 23, 26, 27, 35, and 36, T10N, R33W, SBBM, (projected), and is in the flood control channel of the Santa Maria River east of Bull Canyon Road, north and east of East Main Street and Foxen Canyon Road, and north of the Santa Maria Mesa Road river crossing.
Subsector D-14: Sections 35, T11N, R34W; and 2, T10N, R34E, SBBM, and is in the flood plain of the Santa Maria River south of the flood control channel, east of US Highway 101, and west of Mariah Drive.
Subsector D-15: Sections 5, 6, 7, and 8, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River north of State Highway 166, east of Bonita Lateral Road, and west of the City of Santa Maria.
Subsector D-16: Sections 8 and 9, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River north of State Highway 166, south of West Donovan Road, and west of North Blosser Road and the City of Santa Maria.
Subsector D-17: Section 9, T10N, R34W, SBBM, and is in the ancestral flood plain of the Santa Maria River north of State Highway 166, south of West Donovan Road, and west of North Blosser Road and the City of Santa Maria.
Subsector D-18: Sections 12, T10N, R34W; and 7, T10N, R33W, SBBM, (projected), and is on the Santa Maria River plain south of the Santa Maria River channel, east of Panther Drive, and north of East Main Street.
Subsector D-19: Sections 7 and 18, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of State Highway 166, east of Ray Road, and west of Black Road.
Subsector D-20a: Sections 8, 16, and 17, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of State Highway 166, north of West Stowell Road, west of Hanson Way, and east of Black Road.
Subsector D-20b: Section 16, T10N, R34W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of State Highway 166, north of West Stowell Road, west of North Blosser Road, and east of Hansen Way.
Subsector D-21: Sections 13, T10N, R34W; 17, and 18, T10N, R33W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River north of East Jones Street, south of East Main Street, and east of US Highway 101 and Suey Road.
Subsector D-22: Section 18, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of State Highway 166, east of Ray Road, and west of Black Road.
Subsector D-23: Section 13, T10N, R34W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of East Jones Street, north of East Stowell Road, east of US Highway 101, and west of Rosemary Road.
Subsector D-24a: Section 17 and 18, T10N, R33W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of East Jones Street, north of East Stowell Road, east of Rosemary Road, and west of Philbric Road.
Subsector D-24b: Sections 16, 17, 20, and 21, T10N, R33W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River east of Philbric Road, west of Andrew Avenue, and north of Foxen Canyon Road.
Subsector D-25: Sections 16, 17, and 21, T10N, R33W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River east of Philbric Road, west of Andrew Avenue, and south of Sugar Street.
Subsector D-26: Section 20, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of West Stowell Road, and east of Black Road.
Subsector D-27: Sections 20 and 21, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of West Stowell Road, and east of South East Street.
Subsector D-28a: Sections 20 and 21, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of West Stowell Road, east of Black Road, and west of A Street.
Subsector D-28b: Section 21, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of West Stowell Road, north of Battles Street, and west of South Blosser Road.
Subsector D-29: Section 22, T10N, R34W, SBBM, (projected), and is in the ancestral flood plain of the Santa Maria River south of West Stowell Road, north of Battles Street, east of South Blosser Road, and west of South Depot Street.
Subsector D-30a: Section 23, T10N, R34W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of East Battles Road, north of East Betteravia Road, west of South College Drive, and east of Newlove Drive.
Subsector D-30b: Section 23, T10N, R34W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of East Battles Road, north of East Betteravia Road, east of South College Drive, and west of US Highway 101.
Subsector D-31: Section 24, T10N, R34W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of East Stowell Road, north of East Battles Road, east of US Highway 101, and west of Rosemary Road.
Subsector D-32: Sections 19 and 20, T10N, R33W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of East Stowell Road, north of East Betteravia Road, east of Rosemary Road and US Highway 101, and west of Philbric Road.
Subsector D-33: Section 24, T10N, R34W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of East Battles Road, north of East Betteravia Road, east of US Highway 101, and west of Rosemary Road.
Subsector D-34: Sections 28 and 29, T10N, R33W, SBBM, and is in the ancestral flood plain of the Santa Maria River south of Foxen Canyon Road, and east of Telephone Road.
Subsector D-35: Section 28, T10N, R33W, SBBM, and is in the ancestral flood plain of the Santa Maria River south and west of Foxen Canyon Road.
Subsector D-36: Sections 16, 21, 22, 26, 27, 28, and 35, T10N, R33W, SBBM (projected), and is in the flood plain of the Santa Maria River east of Andrew Avenue, north and east of Foxen Canyon Road.
Subsector D-37: Sections 34, and 35, T10N, R33W, SBBM, and is in the flood plain of the Santa Maria River south of Foxen Canyon Road.
Sector E -- Deposits of the Sisquoc River Resource Area: Alluvial deposits of the active river channel and adjacent floodplain of the Sisquoc River. The Sector extends along the river from about seven miles east of the community of Sisquoc, downstream to the confluence with the Cuyama River. Sector E is divided into five subsectors identified as E-1 through E-4 (with subsector E-3 split into "a" and "b;" See Plate 2). This Sector is under the land use jurisdiction of the County of Santa Barbara.
Subsector E-1: Sections 1, 2, 12, T9N, R33W; 7, 8, and 17, T9N, R32W, SBBM, and is in the flood plain of the Sisquoc River north of Foxen Canyon Road, south of Santa Maria Mesa Road, and west of Tepusquet Road.
Subsector E-2: Section 18, T9N, R32W, SBBM, and is in the flood plain of the Sisquoc River south of Foxen Canyon Road, and east of the community of Sisquoc.
Subsector E-3a: Sections 16 and 17, T9N, R32W, SBBM, and is in the flood plain of the Sisquoc River north of Foxen Canyon Road, south of Santa Maria Mesa Road, and west of Tepusquet Road.
Subsector E-3b: Sections 14, 15, 16, 21, 22, and 23, T9N, R32W, SBBM, (projected), and is in the flood plain of the Sisquoc River east of Tepusquet Road, north of Foxen Canyon Road and USFS Route 10N06/Rancho Sisquoc Road.
Subsector E-4: Sections 13, 14, 23, 24, T9N, R32W; 19, 20, 29, and 30, T9N, R31W, SBBM, (projected), and is in the flood plain of the Sisquoc River in Rancho Sisquoc, east of Tepusquet Road, north of Foxen Canyon Road, and east of USFS Route 10N06.
Sector F -- Deposits of Santa Ynez River Resource Area: Alluvial deposits of the active river channel and adjacent floodplain of the Santa Ynez River. The Sector extends from just downstream of Cachuma Dam to about eight miles west (downstream) of the Highway 101 Bridge. Sector F is divided into seven subsectors identified as F-1 through F-7 (Plate 3). Portions of this Sector are under the land use jurisdiction of the County of Santa Barbara, City of Buellton, and City of Solvang.
Subsector F-1: Sections 12, 13, T6N, R33W; 3, 7, 8, 9, 10, 11, 12, and 13, T6N, R32W, SBBM, (projected), and is in the flood plain of the Santa Ynez River west of US Highway 101 and Avenue of the Flags, north of Santa Rosa Road, and south of State Highway 246 and Mail Road.
Subsector F-2: Sections 12, T6N, R32W; 7, and 18, T6N, R31W, SBBM, (projected), and is in the flood plain of the Santa Ynez River west of US Highway101, east of Avenue of the Flags, and north of Santa Rosa Road.
Subsector F-3: Sections 7, 16, 17, 18, 20, and 21, T6N, R31W, SBBM, (projected), and is in the flood plain of the Santa Ynez River east of US Highway 101, south of State Highway 246/Mission Avenue, and west of Alisal Road.
Subsector F-4: Sections 7, 8, 17, and 18, T6N, R31W, SBBM, (projected), and is in the ancestral flood plain of the Santa Ynez River east of US Highway 101 and Ballard Canyon Road, and north of State Highway 246/Mission Avenue.
Subsector F-5: Sections 21, 22, 23, and 24, T6N, R31W, SBBM, and is in the flood plain of the Santa Ynez River east of Alisal Road, north of Three Springs Road, south of Mesa Verde Road, and west of Refugio Road.
Subsector F-6: Sections 24, T6N, R31W; 19, 20, 21, 22, 29, and 30, T6N, R30W, SBBM (projected), and is in the flood plain of the Santa Ynez River east of Refugio Road, north of Old Santa Rosa Road, and west of State Highway154/San Marcos Pass Road.
Subsector F-7: Sections 13, 14, 15, 22, 23, and 24, T6N, R30W, SBBM, (projected), and is in the flood plain of the Santa Ynez River east and north of State Highway 154/San Marcos Pass Road, and west of Cachuma Reservoir Dam.
Sector G -- Deposits of the Upper Cuyama River Resource Area: Alluvial deposits of the Cuyama River, in the Cuyama Valley from the Highway 166 bridge, south (upstream) to the Ventura County line -- a distance of about 24 miles. Sector G is divided into four subsectors identified as G-1 through G-4 (Plate 4). This deposit is under the land use jurisdiction of San Luis Obispo and Santa Barbara Counties, but currently serves the western Kern County market. Portions of this Sector are under the land use jurisdiction of the County of San Luis Obispo and County of Santa Barbara.
Subsector G-1: Sections 19, 20, 28, 29, 30, 33, and 34, T10N, R25W, SBBM, and is in the flood Plain of the Cuyama River south of State Highway 166, west of State Highway 33, east of Kirschenmann Road, and north of Foothill Road.
Subsector G-2: Sections 2, 3, 11, and 12, T9N, R25W, SBBM, and is in the flood Plain of the Cuyama River south of Foothill Road, west of State Highway 33, and north of USFS Route 9N11/Big Pine Road.
Subsector G-3: Sections 12, 13, 24, T9N, R25W; 18, 19, 30, and 31, T9N, R24W, SBBM, and is in the flood Plain of the Cuyama River south of USFS Route 9N11/Big Pine Road, west of State Highway 33, and north of unnamed pipeline.
Subsector G-4: Sections 31, 32, T9N, R24W; 1, T8N, R25W; 6, 7, 8, 17, and 18, T8N, R24W, SBBM, and is in the flood plain of the Cuyama River south of an unnamed pipeline, and west of State Highway 33 and the Ventura County Line.
Sector H -- Deposits of the Bee Rock Resource Area: Limestone deposits on the south side of Bee Rock in the Santa Ynez Mountains approximately two miles south of Cachuma Dam (Plate 3). This Sector is under the land use jurisdiction of the County of Santa Barbara.
Sector H: Section 31, T6N, R29W, SBBM, (projected), and is the Bee Rock Limestone Deposit in the Santa Ynez Mountains south of State Highway 154/San Marcos Pass Road and Cachuma Reservoir Dam.
Sector I -- Deposits of the Huerhuero Creek Resource Area: Alluvial deposits in the active channel of the Main Branch, Middle Branch and East Branch of Huerhuero Creek, from 1.1 mile north of the intersection of State Highway 58 and O'Donovan Road, north (downstream) to approximately 0.25 mile north of the Creston Road crossing over Huerhuero Creek three miles north of State Highway 4 - a linear distance (in two segments) of about 10 miles. Sector I is divided into 11 subsectors identified as I-1 through I-11 (Plate 1). From north to south, Sectors I-1 through I-8 are in the Main and Middle Branches of Huerhuero Creek. Sectors I-9 through I-11 are in the East Branch of Huerhuero Creek. This Sector is under the land use jurisdiction of the County of San Luis Obispo.
Subsector I-1: Sections 14 and 23, T27S, R13E, MDBM, (projected), and is in the active channel of Huerhuero Creek north of Creston Road, and east of Geneseo Road.
Subsector I-2: Section 23, T27S, R13E, MDBM, (projected), and is in the active channel of Huerhuero Creek south and west of Creston Road, and north of unnamed pipeline.
Subsector I-3: Sections 23 and 26, T27S, R13E, MDBM, (projected), and is in the active channel of Huerhuero Creek west of Creston Road, south of unnamed pipeline, and north of another unnamed pipeline.
Subsector I-4: Sections 25, 26, and 36, T27S, R13E, MDBM, (projected), and is in the active channel of Huerhuero Creek north of State Highway 41, west of Creston Road, and south of an unnamed pipeline.
Subsector I-5: Sections 36, T27S, R13E; and 1, T28S, R13E, MDBM, (projected), and is in the active channel of Huerhuero Creek south of State Highway 41, east of State Highway 229/Webster Road, west of La Panza Road, and north of an unnamed pipeline.
Subsector I-6: Section 1, T28S, R13E, MDBM, (projected), and is in the active channel of Huerhuero Creek south of unnamed pipeline, east of State Highway 229/Webster Road and the community of Creston, and north of O'Donovan Road.
Subsector I-7: Sections 1 and 12, T28S, R13E, MDBM, (projected), and is in the active channel of Huerhuero Creek south of the community of Creston, east of State Highway 229/Webster Road, and north of Reeves Pheasant Way.
Subsector I-8: Sections 1 and 12, T28S, R13E, MDBM, (projected), and in the active channel of Huerhuero Creek south of Reeves Pheasant Way, and east of State Highway 229/Webster Road.
Subsector I-9: Section 7, T28S, R14E, MDBM, (projected), and in the active channel of Huerhuero Creek east of O'Donovan Road, and north of Lady Amherst Way.
Subsector I-10: Sections 18 and 19, T28S, R14E, MDBM, (projected), and in the active channel of Huerhuero Creek west of O'Donovan Road, and south of Lady Amherst Way.
Subsector I-11: Sections 19, 20, and 29, T28S, R14E, MDBM, (projected), and in the active channel of Huerhuero Creek east of O'Donovan Road.
Cal. Code Regs. Tit. 14, § 3550.17
Note: Authority cited: Section 2790, Public Resources Code. Reference: Sections 2761 and 2790, Public Resources Code.
Note: Authority cited: Section 2790, Public Resources Code. Reference: Sections 2761 and 2790, Public Resources Code.
2. Change without regulatory effect amending seventy-seventh paragraph filed 6-21-2024 pursuant to section 100, title 1, California Code of Regulations (Register 2024, No. 25).