Draft Environmental Impact Report - California Off Highway Vehicle ...

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4.0 Cumulative Analysis contribution to an existing air quality impact. However, the General Plan identifies and requires BMPs for operation that are consistent with Butte County AQMD’s requirements for mitigation of any project that emits greater than 80 lbs/day (Level B) but less than 137 lbs/day (Level C). Refer to Table 3.2‐4 for further clarification regarding Butte County AQMD’s tiered thresholds. Because the OHMVR Division would implement emission reduction measures and would comply with Butte County AQMD rules and regulations, and because emissions would not exceed Level C thresholds for PM10 (or any criteria pollutant), implementing the General Plan would not be considered inconsistent with the Butte County AQMD AQAP. As a result, cumulative impacts related to long‐term criteria pollutant emissions, including PM10, would be less than significant. Furthermore, CARB identifies the 2006 Attainment Plan as the local air quality plan applicable to emission controls of the ozone precursors NOX and ROG. Although the attainment plan doesn’t address Clay Pit SVRA specifically, it does include increased emissions from off‐road recreational vehicles as part of its future emissions inventory for NOX and ROG through 2020. According to the plan’s emission inventory, emissions of ROG from off‐road recreational vehicles are expected to increase from 1.775 tons per day (TPD) in 2005 to 2.427 TPD in 2020 1 , while emissions of NOX are expected to increase from 0.106 TPD in 2005 to 0.147 TPD in 2020. These emission increases demonstrate that the 2006 Attainment Plan accommodates increased emissions from OHVs, making implementation of the General Plan consistent with the local air quality plan. Therefore, implementing the General Plan, including constructing and operating the headquarters facilities, would not make a considerable contribution to a cumulatively significant impact to air quality. 4.4.3 Noise In Clay Pit SVRA, the primary noise sources include vehicle traffic, aircraft overflights, and shooting range activities. Ambient noise levels in the area are influenced by traffic on major roads such as Larkin Road and SR 162. Because noise can travel only a limited distance, noise is a local rather than a regional issue; thus, the use of the cumulative project list is appropriate for the cumulative noise analysis. No development projects are close enough to Clay Pit SVRA to cause a significant cumulative noise impact. The nearest cumulative project is the Oro Bay Specific Plan project, located approximately 0.75 mile to the west, which is too far away for noise from that project to combine with noise from implementation of the Clay Pit SVRA General Plan. In addition, as described in Impact 3.3‐1, “Increased Off‐Site Noise Levels Related to OHV Use,” ambient noise levels would increase by only 1.5 dBA, a minimal amount well below the threshold of 5 dBA. Implementing the General Plan, including constructing and operating the headquarters facilities, would increase traffic in the local area because the SVRA would have more visitors. Other projects in the area would also add traffic to the roadways. However, the majority of traffic generated by Clay Pit SVRA is during weekends and would not overlap or combine with the typical traffic 1 The updated attainment plan is expected to project NOX and ROG emissions beyond 2020 and include emissions for 2030. Clay Pit State Vehicular Recreation Area February 2012 4-14 Draft EIR
4.0 Cumulative Analysis generated by other projects during weekday peak hours, thus minimizing the potential for cumulative noise impacts caused by increased traffic volumes. Therefore, implementing the General Plan, including constructing and operating the headquarters facilities, would not make a considerable contribution to a cumulatively significant noise impact. 4.4.4 Visual Resources Visual resources can be either localized resources or of regional concern, depending on the overall aesthetic environment. Because Clay Pit SVRA is not visible at a large or regional scale, and because it does not have visually dominant features, the cumulative visual environment is the local area. Other local projects on the cumulative project list are commercial and residential projects that would also alter the existing visual environment. The two specific plan projects planned in the area would construct large mixed‐use developments to the west and southeast of the SVRA. These projects would extend the urban aesthetic to areas previously used for agriculture. However, these projects are not in the same viewshed as Clay Pit SVRA and therefore would not combine visually with improvements planned at the SVRA to alter the existing aesthetic environment. Implementing the Clay Pit SVRA General Plan, including constructing and operating the headquarters facilities, would add new structures to the property, but the majority of the area would continue to be open area for OHV use and recreation. These new structures and other enhancements would not substantially change the overall existing visual character of the area. Therefore, implementing the General Plan, including constructing and operating the headquarters facilities, would not make a considerable contribution to a cumulatively significant impact on visual resources. 4.4.5 Biological Resources The geographic scope for biological resources cannot be defined by jurisdictional or other political boundaries, because sensitive habitats and species can have widespread ranges and can vary for individual species. For this reason, the analysis of cumulative impacts on biological resources includes consideration of the local habitat ranges for sensitive species. Implementing the Clay Pit SVRA General Plan, including constructing and operating the headquarters facilities, is not anticipated to have a significant impact on biological resources in the region. Habitat that could support special‐status plant species exists on the project site in the cattail vegetation community and in remnant vernal pool grassland that occurs on the terrace along Larkin Road. Suitable habitat for two federally listed vernal pool branchiopod species exists in the vernal pool habitat at Clay Pit SVRA. The existing activities at the SVRA would continue and opportunities for recreation would be enhanced under the General Plan. Goals and guidelines in the General Plan would serve to protect and conserve the natural resources on‐site and prevent degradation beyond the existing baseline conditions. As described in Section 3.5, “Biological Clay Pit State Vehicular Recreation Area Draft EIR 4-15 February 2012
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STATE VEHICULAR RECREATION AREA Dra
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CALIFORNIA STATE PARKS Draft Enviro
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TABLE OF CONTENTS Table of Contents
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LIST OF ACRONYMS μg/l micrograms p
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Lmax maximum noise level Ln statist
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VELB valley elderberry longhorn bee
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Chapter S.0 - Summary S.0 Summary T
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S.0 Summary No mitigation measures
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Chapter 1.0 - Introduction 1.0 Intr
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Source: Adapted by AECOM 2011 1.0 I
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State Parks, California Department
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Safety proximity to California Dep
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1.7 DEIR Contents and Organization
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Chapter 2.0 - Project Description 2
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Source: AECOM 2011 2.0 Project Desc
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2.0 Project Description The OHMVR D
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2.0 Project Description the signifi
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Natural Resources Management (NRM)
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Open OHV Recreation Area 2.0 Projec
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TABLE 21. USE AREA MATRIX TOPICS
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Source: Topographic information pro
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Chapter 3.0 - Environmental Analysi
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3.1 Transportation and Traffic 3.1
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3.1 Transportation and Traffic cont
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Source: KD Anderson & Associates 20
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TABLE 3.11. DEFINITION OF LEVEL O
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TABLE 3.13. EXISTING ROADWAY LEVE
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3.1 Transportation and Traffic A tr
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TABLE 3.14. PEAKHOUR LOS VOLUME
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Trip Distribution 3.1 Transportatio
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3.1 Transportation and Traffic TABL
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3.1 Transportation and Traffic Othe
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Clay Pit State Vehicular Recreation
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3.1.5 Summary of Significant Impact
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3.2 Air Quality 3.2 Air Quality Thi
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3.2 Air Quality During this 3‐yea
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3.2 Air Quality geographic barriers
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3.2 Air Quality Rule 205, “Fugit
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3.2 Air Quality URBEMIS2007 also in
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3.2 Air Quality Substitute electri
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3.2 Air Quality Implementation of t
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3.2 Air Quality Fugitive Dust All f
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3.2 Air Quality the project area, t
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3.2.6 Mitigation Measures 3.2 Air Q
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3.3 Noise 3.3 Noise This section pr
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3.3 Noise the way humans perceive s
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3.3 Noise nonauditory health effect
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3.3 Noise Vegetation can be used to
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Source: Data collected by AECOM in
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3.3 Noise Table 3.3‐2 summarizes
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Source: City of Oroville 1990 3.3 N
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3.3 Noise existing or proposed noi
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General Plan Impact Analysis IMPACT
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3.3 Noise The extent to which noise
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3.3 Noise equipment. Noise levels f
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3.3 Noise the headquarters faciliti
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3.4 Visual Resources 3.4 Visual Res
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3.4 Visual Resources resource ident
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3.4 Visual Resources scenic vistas
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3.4.6 Mitigation Measures 3.4 Visua
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3.5 Biological Resources 3.5 Biolog
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Source: TRA 2004, 2007, 2008, AECOM
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3.5 Biological Resources An AECOM b
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Source: CNDDB April 2011 3.5 Biolog
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3.5 Biological Resources The annual
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3.5 Biological Resources Central Va
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3.5 Biological Resources Plan conta
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3.5 Biological Resources or during
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3.6 Cultural Resources 3.6 Cultural
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California Public Resource Code 3.6
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Section 7050.5 Section 7050.5 inclu
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3.6 Cultural Resources directly or
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Mitigation Measures: No mitigation
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3.7 Geology and Soils 3.7 Geology a
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3.7 Geology and Soils a designated
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3.7 Geology and Soils 19, On‐Site
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3.7 Geology and Soils constructed i
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3.7 Geology and Soils As noted unde
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3.8 Hydrology and Water Quality 3.8
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State Plans, Policies, Regulations,
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3.8 Hydrology and Water Quality to
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3.8 Hydrology and Water Quality Im
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3.8 Hydrology and Water Quality dra
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Page 187 and 188: 3.9 Public Services and Utilities 3
Page 189 and 190: 3.9.2 Regulatory Setting 3.9 Public
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Page 195 and 196: IMPACT 3.9-4 Risk of Exceeding Wast
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Page 199 and 200: Federal Plans, Policies, Regulation
Page 201 and 202: Regional Plans, Policies, Regulatio
Page 203 and 204: General Plan Impact Analysis IMPACT
Page 205 and 206: 3.10 Hazards and Hazardous Material
Page 207 and 208: 3.11 Climate Change 3.11 Climate Ch
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Page 215 and 216: Headquarters Facilities Impact Anal
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Page 219 and 220: 4.0 Cumulative Analysis extend far
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Page 241 and 242: Chapter 6.0 - Alternatives to the P
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Page 249 and 250: Chapter 7.0 - References Summary St
Page 251 and 252: 7.0 References Kamian, Armen. Assoc
Page 253 and 254: 7.0 References Ecologist, Off‐Hig
Page 255 and 256: 7.0 References California Departmen
Page 257 and 258: 7.0 References CalRecycle. 2010. Fa
Page 259 and 260: 7.0 References City of Oroville. 20
Page 261 and 262: Chapter 8.0 - Report Contributors 8
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