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PART ONE - Purpose & Applicability
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Page 2
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1
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Will the completed project discharge stormwater?
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sec 1.1.1
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2
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Does the project still require CEQA review, or a County discretionary approval?
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sec 1.1.2
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3
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Is the project within the CWA boundary, an Urban Island, or constitute an "urban development"?
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sec 1.1.2
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4
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Which categories of requirements are applicable to this project?
Ø All covered projects – Parts Two, Three, Five, Six
Ø Priority Development or "SUSMP" Projects – All Parts
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PART TWO – Environmental Performance Standards
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Page 5
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Flow Control and Erosion Prevention 2.1
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5
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Will post-construction volume or velocity cause increased or significantly increased downstream erosion?
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sec 2.1.1-2
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6
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Will project significantly disrupt flows supporting downstream wetland or habitat?
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sec 2.1.3
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Water Quality Protection 2.2
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7
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Will the runoff cause/contribute to an exceedance of receiving water quality objectives, or to a condition of pollution, contamination, or nuisance?
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sec 2.2.1
sec 2.2.4
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8
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Will the runoff significantly degrade receiving water quality?
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sec 2.2.2
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9
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Have pollutants in stormwater been reduced to the maximum extent practicable?
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sec 2.2.3
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Groundwater Quality Protection 2.3
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10
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Is the infiltration of runoff to ground water controlled to avoid polluting groundwater?
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sec. 2.3.1-2
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PART THREE – Design and BMP Requirements For All Projects
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Page 8
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11
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Are the proposed post-construction BMPs appropriate to limit pollution in run-off from the site to the maximum extent practicable (MEP)?
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Sec 3.1.1
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12
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Are proposed BMPs appropriate based upon project site factors?
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sec 3.1.2
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13
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Are proposed BMPs appropriate based upon the pollutant potential of the project?
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sec 3.1.3
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14
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Are proposed BMPs appropriate based upon cost, including maintenance costs?
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sec 3.1.4
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15
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Are proposed BMPs appropriate based upon the watershed area of the project ?
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sec 3.1.5
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16
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Are proposed BMPs appropriate based upon the environmental impacts of pollution protection ?
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sec 3.1.6
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Performance Requirement for BMPs in Combination 3.2
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17
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Are post-construction BMPs in combination effective to limit increases in run-off and discharges of pollutants from the site to the maximum extent practicable?
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Sec 3.2.1
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Preference for Natural BMPs 3.3
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18
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Are natural BMPs used wherever practicable?
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sec 3.3.1
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Source Control BMPs 3.4
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19
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Have pollutants been properly identified ?
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sec 3.4.1
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20
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Are proper "source control" BMPs used to reduce pollution in runoff to the MEP?
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sec 3.4.1
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21
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How will slopes and channels be protected from eroding to the MEP?
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sec 3.4.2
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22
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Are outdoor materials/trash storage areas properly designed?
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sec 3.4.3
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| | Minimize Impervious Surfaces 3.5 | |
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23
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Does the project use landscaping to increase infiltration, retention, and slow runoff where feasible?
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sec 3.5.1
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24
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Does the project site design maximize infiltration and retention, and minimize impervious surfaces?
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sec 3.5.1
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Buffer Zones 3.6
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25
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Does the project use buffer zones or other buffers for natural water bodies ?
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sec 3.6.1-2
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| | Conserve Natural Areas 3.7 | |
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26
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Does the project conserve natural areas where practicable?
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sec 3.7.1
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Storm drain tiles and signage 3.8
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27
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Are storm drain inlet tiles and signage included in the project?
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sec 3.8.1
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Additional BMPs where necessary 3.9
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28
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Are additional BMPs needed for the project to meet performance standards?
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sec 3.9.1
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Infiltration BMPs 3.10
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29
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Is the infiltration of runoff to ground water controlled to avoid polluting groundwater?
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Sec 2.3.2-3
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PART FOUR – Additional Design and BMP Requirements for Priority Dev. Projects
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Page 21
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30
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Is the project a Priority Development of "SUSMP" project?
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Sec 4.1
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31
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Are appropriate structural treatment BMPs included to remove pollutants of concern ?
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sec 4.2.1
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32
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Will structural treatment BMPs be installed and operating before discharging post-construction runoff ?
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sec 4.2.2
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33
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Are structural treatment BMPs located and sized to infiltrate, filter, or treat the runoff volume or flow indicated on County isopluvial map prepared for this purpose?
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sec 4.2.3
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34
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Is use of infiltration BMPs limited by site factors?
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sec 4.2.4
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PART FIVE – Other Requirements
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Page 24
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Discharge prohibitions 5.1
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35
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Will the project cause prohibited discharges of non-storm water?
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Sec. 5.1
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Construction-Phase requirements 5.2
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36
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How will this project protect storm water during construction ?
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sec 5.2.1
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Industrial Facility General Permit Coverage 5.3
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37
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Does this project require an industrial storm water permit?
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sec 5.3.1
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BMP Maintenance 5.4
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38
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How will this project ensure ongoing BMP maintenance?
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sec 5.4.1
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PART SIX – Offsite Alternatives
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Page 27
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39
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Is a shared structural treatment BMP proposed or appropriate for the project?
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Sec 6.1
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40
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Is a waiver of structural treatment BMP requirements proposed for this project?
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Sec. 6.2
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