BEsT MANAGEMENT PRACTICEs HANDbooK - Tahoe BMP

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Table 5-2: Site Type Recommended Species ListSITE TYPE RECOMMENDED SPECIES LISTScientific Name 1, 2Common NameTRPA <strong>BMP</strong> HandbookCHAPTER 5: Soil and Vegetation Management2012 Table 5-2: Site Type Recommended Species ListPage 1WetlandSEZ/Riparian-Wet MeadowGrasses, Rushes, and SedgesAchnatherum lemmonii Lemmon's needlegrass • •Achnatherum occidentale western needlegrass • •Agrostis exarata spike bentgrass •Bromus carinatus California brome • • •Bromus marginatus mountain brome •Calamagrostis canadensis bluejoint • •Carex praegracilis slender sedge •Danthonia californica California oatgrass •Deschampsia caespitosa tufted hairgrass •Deschampsia elongata slender hairgrass •Elymus elymoides squirreltail • •Upland—GenericUpland—Full ShadeUpland—Full Sun/Dry SiteElymus glaucus 3 blue wildrye • • •Elymus trachycaulus slender wheatgrass, • • •Festuca brevipila hard fescue • •Festuca ovina 'Covar' sheep fescue, ‘Covar’ • • •Festuca rubra 3 red fescue • • •Festuca rubra ssp. arenaria 3 Boreal creeping red fescue • • •Glyceria striata 3 fowl mannagrass • •Hordeum brachyantherum meadow barley •Hordeum brachyantherum ssp.californicum California barley •Juncus arcticus ssp. littoralis mountain rush • •Juncus effusus common rush • •Leymus triticoides beardless wildrye •Melica californica California oniongrass •Phalaris arundinacea reed canarygrass •Phleum alpinum alpine timothy •Poa ampla, ‘Sherman’ big bluegrass, ‘Sherman’ • • •Poa secunda Sandberg bluegrass • • •Thinopyrum intermedium intermediate wheatgrass • •Thinopyrum intermedium 'Greenar'intermediate wheatgrass,‘Greenar’ • •Thinopyrum intermedium 'Oahe' intermediate wheatgrass, ‘Oahe’ • •ForbsAchillea millefolium common yarrow • • •Aconitum columbianum Columbian monkshood •Agastache urticifolia nettle-leaf giant hyssop •Anaphalis margaritacea western pearly everlasting • •Aquilegia formosa crimson columbine •Upland—High Disturbance
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PREFACEThe Tahoe Regional Planning
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TABLE OF CONTENTSPREFACE...........
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3.5.5 Stormwater Treatment ........
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6.3 Projects 1 to 5 Acres and all C
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8.10.5 Maintenance ................
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Table 8-4: Federal, State and Regio
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Figure 4.3-i: Vegetated Swale .....
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INTRODUCTIONPURPOSE AND USERS OF TH
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Lake Tahoe’s world renowned blue
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Urbanization in the Lake Tahoe wate
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50 percent of the light scattering
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Figure I-c: Impervious Cover versus
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Disconnected impervious areasdrain
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POLLUTANT EFFECT URBAN SOURCES ASSO
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BEST MANAGEMENT PRACTICESHistorical
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Table I-2: Differences in BMP Retro
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CHAPTER 1: URBAN HYDROLOGY1.1 PURPO
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Figure 1-a: Runoff ProcessesTRPA BM
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Although many urbanized areas face
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watersheds to make the necessary es
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Pollutant load estimates are typica
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differ from the following recommend
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Figure 1-b: Hydrologic Processes an
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1.3.3.2 NRCS BMP CALCULATION SPREAD
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1.3.3.3 RATIONAL METHODMODEL SUMMAR
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1.3.3.4 LOAD REDUCTION PLANNING TOO
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in HMS may be event-based or contin
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1.3.3.6 POLLUTANT LOAD REDUCTION MO
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AVAILABILITY AND SUPPORTING DOCUMEN
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TYPICAL LEVEL OF EFFORTHSPF and LSP
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few days to a week of time to revie
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USACE studies recommended use of th
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during the initial site visit, or c
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Figure 2-a: Soil Horizons• Depth
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Evidence of compacted and disturbed
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UNMAPPED ROCK OUTCROPS, STEEP SLOPE
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The primary pollutants of concern o
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On the map use an arrow to delineat
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2.2.3 ADDITIONAL DATA GATHERINGAfte
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and allowable uses. Baseline Land C
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topographic survey will be required
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Table 2-3: Basis of Capability Clas
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Keep your property lean, clean,and
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treatment. This will reduce the mai
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ponds, wetlands, lakes, manmade cha
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2.3.3.2 SOILS HYDROLOGIC REPORTThe
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CHAPTER 3: PERMANENT BMP PLANNINGAN
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STORMWATER TREATMENTRepresents BMPs
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Table 3-1: Waste Management and Mat
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D. STABILIZE STEEP DISTURBED SLOPES
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This infiltration trench collects s
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3.5 PROJECTS 1 TO 5 ACRES AND ALL C
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This Page Blank.TRPA BMP HandbookCH
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unnecessary turf areas and replace
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Table 3-5: Waste Management and Mat
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3.5.2.3 SOIL STABILIZATIONA. RESTOR
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Left: Dripline erosion below a deck
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Pervious concrete parking pad locat
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3.5.5 STORMWATER TREATMENT3.5.5.1 M
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3.6.1.1 JURISDICTIONThese projects
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to perform required inspection and
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3.8.2.4 SHARED ACCESS AND EASEMENTS
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3.8.2.8 STREAM ENVIRONMENT ZONES (S
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Sediment versus erosion:Suspended s
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CONTENTSCHAPTER 4: BMP TOOLKIT ....
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CHAPTER 4: BMP TOOLKIT4.1 HYDROLOGI
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4.1.1.1 PERVIOUS PAVEMENTAlternativ
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• Tree canopy overhead can decrea
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ate determined at the time of insta
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Figure 4.1-a: Pervious ConcreteTRPA
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4.1.1.2 INFILTRATION BASINAlternati
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groundwater, depths to restrictive
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Very few performance monitoring stu
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INSPECTION AND MAINTENANCE ACTIVITI
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4.1.1.3 INFILTRATION TRENCHAlternat
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• Consult the NRCS Tahoe Basin So
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• Alternative Method: Excavate th
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Figure 4.1-c: Infiltration TrenchTR
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Figure 4.1-e: Roof Dripline Planter
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4.1.1.4 SUBSURFACE INFILTRATION SYS
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percent void space compared to 40 p
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• Ensure the surrounding surface
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4.1.1.5 RAIN BARREL AND CISTERNAlte
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• Position the rain barrel or cis
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4.1.1.6 RAIN GARDENAlternative Name
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• To manage high flows, design a
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4.1.1.7 FILTER STRIPAlternative Nam
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• The top of the vegetated filter
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Figure 4.1-i: Vegetated Filter Stri
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LIST OF FIGURESFigure 4.2-a: Slope
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Chapter 4: BMP ToolkitTRPA BMP Hand
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• Obtain and use a road abrasive
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• Mechanical broom sweepers may a
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EFFECTIVENESS CONSIDERATIONSA signi
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for dry basins or infiltration basi
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• For unpaved snow storage areas
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Figure 4.2-a: Slope Stabilization A
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Disadvantages• Not always success
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• Bind together long live branch
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Brush Layering and MattingBrush lay
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Advantages• Reduces the erosion p
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Table 4.2-1: Terracing Inspection a
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Disadvantages• Can be complicated
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• Revegetate the backfilled bench
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Figure 4.2-d: Timber Retaining Wall
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Advantages• Versatile and applica
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Table 4.2-3: Riprap Inspection and
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educe the concentration of runoff,
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Figure 4.2-g: Slope Bottom BenchFig
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• Contour Furrows - relatively de
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APPLICABILITYAll roads, driveways,
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Stormwater runoff from a paved park
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Figure 4.2-k: Grading for Sheet Flo
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INORGANIC MULCH:• Areas where org
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• Stockpile and use existing orga
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The surface under the raised decksh
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Figure 4.2-l: Rock Armor - Elevated
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Clustered boulders used for parking
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• Helps to protect wildlife.• H
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EFFECTIVENESS CONSIDERATIONSA prope
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Improper storage of hazardous mater
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• Try to use the entire product b
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facilities must be equipped with ap
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• Dispose of it properly• Be a
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Disadvantages• Additional resourc
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• All hay, cubed hay, straw, mulc
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• Sanitary sewer regulations gene
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APPLICABILITYAll vehicles, includin
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• Do not perform other vehicle or
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LIST OF FIGURESFigure 4.3-a: Curb B
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APPLICABILITY• Culverts are appli
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deterioration. The inspection crew
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APPLICABILITY• Curb and gutters a
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INSTALLATION CONSIDERATIONS• Inst
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Figure 4.3-b: Rolled CurbChapter 4:
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Advantages• Prevents the discharg
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Table 4.3-2: Storm Drain Inspection
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Advantages• Prevents scour that m
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Figure 4.3-c: Outlet ProtectionChap
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• The structure can be designed t
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INSTALLATION CONSIDERATIONS• Disc
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Advantages• Assists in the contro
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Figure 4.3-e: Slotted Channel Drain
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Advantages• May be less expensive
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Table 4.3-5: A/C Swale Inspection a
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• Prevents property damage, slope
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Figure 4.3-g: Subsurface DrainChapt
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abrasives applied during the winter
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Table 4.3-7: Rock Lined and Vegetat
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Figure 4.3-i: Vegetated SwaleChapte
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Check dams installed in water sprea
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• Design check dams perpendicular
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CONTENTS4.4 Stormwater Treatment ..
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4.4 STORMWATER TREATMENTThe primary
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4.4.1.1 WET BASINAlternative Names:
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• Surcharge storage above the wet
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Table 4.4-1: Wet Basin Inspection a
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Figure 4.4-a: Wet Basin (Concept Dr
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4.4.1.2 BIOSWALEAlternative Names:
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• Consider incorporating trees or
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Figure 4.4-b: Bioswale (Linear Basi
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4.4.1.3 DRY BASINAlternative Names:
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• Drainage design standards for t
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Figure 4.4-c: Detention BasinTRPA B
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4.4.2 FLOW THROUGH TREATMENTFlow-th
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4.4.2.1 DROP INLET INSERTAlternativ
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INSTALLATION CONSIDERATIONS• Refe
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4.4.2.2 TRASH RACKAlternate Names:
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4.4.2.3 BAFFLED VAULTAlternative Na
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• Ensure that site conditions all
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4.4.2.4 HYDRODYNAMIC SEPARATORAlter
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• Most units are designed to be c
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4.4.2.5 MEDIA FILTERAlternate Names
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Cartridge Filter• Cartridge filte
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• Vent the system as for undergro
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4.4.2.6 SEDIMENT TRAPAlternative Na
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INSPECTION AND MAINTENANCE• Regul
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Figure 4.4-e: Sediment TrapTRPA BMP
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CONTENTS4.5 Temporary BMPs for Cons
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4.5 TEMPORARY BMPS FOR CONSTRUCTION
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concrete washouts and stockpiles sh
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4.5.1.1 CONSTRUCTION PLANNING AND S
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• Measures to minimize the potent
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4.5.1.2 CONSTRUCTION BOUNDARY FENCI
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Figure 4.5-a: Construction Boundary
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4.5.1.3 DEWATERINGDESCRIPTIONDewate
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Figure 4.5-b: DewateringTRPA BMP Ha
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• Use this settled water to fill
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4.5.1.4 CLEAN WATER DIVERSIONAltern
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• Avoid disturbing aquatic specie
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• Pipe slope drain: A rigid pipe,
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Stream Isolation Techniques:• Tur
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Figure 4.5-f: Water DiversionTRPA B
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4.5.1.5 VEGETATION PROTECTIONAltern
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• Growing Space: Provide spacing
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Figure 4.5-g: Vegetation Protection
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4.5.1.6 TEMPORARY SANITATION FACILI
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4.5.1.7 DUST CONTROLAlternate Names
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• Blanket with geotextiles or veg
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4.5.1.8 VEHICLE INGRESS EGRESS MANA
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• If possible, re-use swept or va
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4.5.1.9 WINTERIZATIONDESCRIPTIONBet
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INSPECTION AND MAINTENANCEEnsure th
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4.5.1.10 CONSTRUCTION STAGINGAltern
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4.5.1.11 MATERIAL HANDLING STORAGE
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• Ensure that current Material Sa
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4.5.1.12 TOPSOIL SALVAGEAlternative
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• If topsoil will not be used for
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4.5.1.13 CONCRETE/BENTONITE MANAGEM
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Figure 4.5-i: Concrete Washout Stat
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4.5.1.14 STOCKPILE MANAGEMENTAltern
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Figure 4.5-j: Stockpile ManagementT
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4.5.2 EROSION AND SEDIMENT CONTROLR
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4.5.2.1 SWEEPINGDESCRIPTIONDuring c
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4.5.2.2 DRAIN INLET PROTECTIONAlter
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inches. Take care to ensure that no
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Figure 4.5-k: Drain Inlet Protectio
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4.5.2.3 FIBER ROLLAlternative Names
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• Adjust spacing of fiber rolls a
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Figure 4.5-l: Fiber RollsTRPA BMP H
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4.5.2.4 SILT FENCEAlternative Names
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• Turn the fabric uphill at the e
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Figure 4.5-m: Silt FenceTRPA BMP Ha
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4.5.2.5 EROSION CONTROL BLANKET SYS
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structures mark the boundaries of t
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Figure 4.5-p: Anchoring Geotextiles
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4.5.2.6 HYDROMULCH, TACKIFIER, AND
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INSPECTION AND MAINTENANCE• Hydro
Page 506 and 507: 5.2 SOILSoil is a complex living sy
Page 508 and 509: Tilling green wood chips intothe so
Page 510 and 511: areas such as SEZs and in shorezone
Page 512 and 513: Large boulders provide permanent ve
Page 514 and 515: To address this TRPA’s Regional P
Page 516 and 517: to apply ½ inch of water. Water yo
Page 518 and 519: Pesticides can be degraded by sunli
Page 520 and 521: 5.3.2.5 FIRE DEFENSIBLE SPACEFire d
Page 522 and 523: etween them. For example, shrubs wi
Page 524 and 525: 5.4 PROJECT SCALE REQUIREMENTSSoil
Page 526 and 527: 5.4.1.5 PROJECT INSTALLATIONA. CONT
Page 528 and 529: percent vegetative cover, soil surf
Page 531 and 532: TRPA Revegetation Plan TemplateSoil
Page 533 and 534: (c) GRADING AND SLOPE SHAPINGDescri
Page 535 and 536: TRPA Revegetation Plan ExampleSoil
Page 537 and 538: • All machinery must be clean bef
Page 539 and 540: Common NameScientific NameScotchbro
Page 541 and 542: during dry weather. All debris, roo
Page 543 and 544: substantially different that the pe
Page 545: TRPA BMP HandbookCHAPTER 5: Soil an
Page 548 and 549: Fertilizer Management PlanProject N
Page 550 and 551: IV. MONITORINGSurface and groundwat
Page 552 and 553: I. PROJECT AND SITE DESCRIPTIONGold
Page 555: Table 5-1: Description of Revegetat
Page 559 and 560: SITE TYPE RECOMMENDED SPECIES LISTW
Page 561 and 562: Table 5-3: Site Type Recommended Se
Page 563 and 564: Table 5-4: Attributes of Suitable a
Page 565 and 566: TRPA APPROVED PLANT SPECIES ATTRIBU
Page 567 and 568: TRPA APPROVED PLANT SPECIES ATTRIBU
Page 569 and 570: CHAPTER 6: INSPECTION, MAINTENANCE,
Page 571 and 572: 6.3 PROJECTS 1 TO 5 ACRES AND ALL C
Page 573 and 574: prevent sediment discharge onto an
Page 575 and 576: 6.5 MAINTENANCE AGREEMENTS AND BMP-
Page 577 and 578: SMALL RESIDENTIAL BMP INSPECTION,MA
Page 579 and 580: Overall siteEXAMPLE INSPECTION AND
Page 581 and 582: EXAMPLE INSPECTION AND MAINTENANCE
Page 583 and 584: 3. Sample number shall be large eno
Page 585 and 586: Photo Monitoring (Attachment C)DATE
Page 587 and 588: 1. SITE DESCRIPTIONThis Sample Site
Page 589 and 590: ATTACHMENT ASITE PLAN
Page 591 and 592: ATTACHMENT CPHOTO- MONITORING
Page 593 and 594: CHAPTER 7: PERMITTING7.1 PURPOSE AN
Page 595 and 596: considered an exempt activity. Exem
Page 597 and 598: Parcels developed after July 1987 a
Page 599 and 600: 7.5 SECURITIESSecurities are charge
Page 601 and 602: and shorezone management. 6 Althoug
Page 603 and 604: Figure 8-a: Planning Approaches for
Page 605 and 606: Adaptation and retreat requires the
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comparing and contrasting alternati
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8.1.7 REGULATORY PERMITTINGWhen a l
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Figure 8-b: Shorezone Tolerance Dis
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infiltrate into dune sands because
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Figure 8-c: The Shorezone of Lake T
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8.1.8.3 BACKSHORE SETBACKS AND BUFF
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FISHERIES1. Is the project area, in
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TYPESoldier PileGravitySUPPORTSTRUC
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Figure 8-g illustrates a hypothetic
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is generally limited in Lake Tahoe.
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Figure 8-h: Typical Anchored Sheet
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8.3 STATIC REVETMENTS8.3.1 OVERVIEW
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evetments. Additionally, excessive
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not always conservative enough and
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8.4 DYNAMIC REVETMENTS8.4.1 OVERVIE
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major storms. A full review of this
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Figure 8-l: Potential Modes of Fail
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Table 8-12: Overview of the Advanta
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h 1. 57(Equation 5.1)cH eWhere:he
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(1) The A values above, some to fou
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8.6 JETTIES8.6.1 OVERVIEWIn Lake Ta
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• Jetties must extend sufficientl
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ADVANTAGES• Provides wave protect
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Figure 8-n: Fixed Breakwater Design
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Table 8-16: Advantages and Disadvan
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8.9 DREDGING8.9.1 OVERVIEWDredging
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There are various types of dredges.
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Transportation and placement of dre
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The following subjects are typicall
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weeks); longer durations or extensi
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8.10.4 INSTALLATIONInstall turbidit
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8.11 BOATING DISCHARGE CONTROL AND
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facilities, which may decrease loca
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• These petroleum products shall
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8.11.4 INSTALLATIONMuch of the inst
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TRPA will require a Water Quality M
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significant grading, dredging, or f
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Table 8-21: Considerations for Boat
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8.13 SITE CHARACTERIZATION CHECKLIS
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In addition to the modeling require
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emote imagery, and the development
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etc.) and chemical (dissolved oxyge
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Noise pollution from dredging or ot
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8.15 BIBLIOGRAPHYAhrens, J.P., John
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Komar, P. D., and McDougal, W. G. (
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U.S. Army Corps of Engineers (1966)
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Figure 8-q: Fetch Definition 0.00
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Figure 8-s Wave Height NomographCHA
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Figure 8-t: Wave Run-UpBased on the
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8.16.1.4 CALCULATING WAVE HEIGHT AT
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Case 1: the toe of the protective m
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• Calculate the remaining height
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FOR NON-BREAKING WAVES:W50,lbs1.27H
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Bailey Land Capability System (Land
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marks shoals or rocks; a whistling
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DuffThe decomposed mulch layer of p
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Infiltration FacilityA device used
Page 721 and 722:
Native PlantA plant that is endemic
Page 723 and 724:
Revetment1) A facing of stone, conc
Page 725 and 726:
Shear StressShear stress is the res
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Water Quality Management Plan for t
Page 729 and 730:
UpdriftThe direction opposite that
Page 731 and 732:
FSP - Fine Sediment ParticlesGUI -
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Tahoe RCD - Tahoe Resource Conserva
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BEsT MANAGEMENT PRACTICEs HANDbooK - Tahoe BMP

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