TABLE 2.1 PRACTICE SELECTION GUIDE

1 = Slight Impact
2 = Moderate Impact
3 = Significant Impact

PROBLEMS

NAME

CODE

BRIEF DEFINITION

Sheet & Rill Erosion

Rill & Gully Erosion

Streambank Erosion

Stream Channel Erosion

Toxics & Salt Reducion

Flooding

Increased Peak Flow

Nutrient Pollution

Pesticide Pollution

Sediment Damage

Dust Control

Construction Road Maintenance

Water Table Control

Organic Pollution

Urban Stormwater Wetlands

800

Constructed wetland to improve stormwater quality

3

3

3

3

3

3

3

3

3

Construction Road Stabilization

806

Stabilize temporary roads to reduce erosion

3

2

2

3

Culvert Inlet Protection

808

Temporary sediment filter at culvert inlets

2

Diversion

815

Channel and ridge constructed to collect and divert runoff

2

2

1

1

1

1

1

1

Diversion Dike

820

Perimeter dike to manage and divert runoff

2

2

1

1

1

1

1

1

Dust Control

825

Controlling dust on construction sites and roads

1

1

3

1

Erosion Blanket

830

Preformed organic or inorganic erosion mat

2

1

1

1

1

2

1

Filter Strip

835

Vegetated filter zone to remove pollutants

2

1

1

1

2

Grass-Lined Channels

840

Natural or constructed channel vegetated to convey water

2

2

1

1

1

1

1

Impoundment Structure-Full Flow

841

Structure for collecting and storing water, debris, or sediment

3

3

2

2

2

2

2

2

Impoundment Structure-Routed

842

Structure for collecting and storing water, debris, or sediment

3

3

3

3

3

3

3

3

Infiltration Trench

847

Pits or trenches designed to hold water to increase infiltration

1

1

1

1

1

1

Inlet Protection-Block and Gravel

850

Temporary sediment control barrier at storm drain inlet

1

1

1

Inlet Protection-Excavated Drain

855

Excavated area to trap sediment at storm drain inlet

1

1

1

Inlet Protection-Fabric Drop

860

Temporary practice to control sediment at storm drain inlet

1

1

1

Inlet Protection-Gravel & Wire Mesh

861

Temporary sediment control barrier at storm drain inlet

1

1

1

Inlet Protection-Sod Filter

862

Sediment filter using sod around a storm drain drop inlet

1

1

1

Inlet Protection-Straw Bale Barrier

863

Temporary practice to control sediment at storm drain inlet

1

1

1

Land Grading

865

Smoothing surface to planned grade to improve site

2

2

1

1

1

1

2

Level Spreader

870

Structure to spread water flow uniformly

1

1

1

1

1

1

Mulching

875

Placing materials to protect soil surface

2

2

1

1

2

2

2

2

Permanent Vegetation

880

Establishing permanent vegetative cover

3

3

2

2

2

2

3

3

3

3

1

Permeable Pavement

890

Pavement having interspersed sod, gravel, or sand areas

1

1

1

1

1

1

Portable Sediment Tank

895

Container for trapping sediment from runoff water

1

1

2

Right-of-way Diversion

900

Structure to control roadway erosion

1

1

1

2

Rock Check Dam

905

Structure to control erosion in ditch or grass swale

3

2

Rock Outlet Protection

910

Rocked area at outlets to reduce flow erosion

2

2

1

Silt Fence

920

Temporary sediment barrier of filter fabric

2

2

1

1

2

Sodding

925

Laying blanket of established turf to protect area

3

3

2

1

2

2

3

3

3

3

1

Stabilized Construction Entrance

930

Rock pad at entrance or exit to control tracking of mud to streets

1

3

Straw Bale Barrier

935

Bale barrier to trap sediment from runoff

2

2

1

1

2

Structural Streambank Stabilization

940

Structure to control streambank erosion

3

2

Subsurface Drain

945

An underground water collection and transport tube

1

1

2

2

1

2

1

1

1

2

3

Sump Pit

950

Temporary pit to trap and filter water

2

2

2

Surface Roughening

953

Grooving, stair stepping, or tracking across a slope

1

1

1

1

Temporary Diversion

955

Temporary diversion for runoff control

2

2

1

1

1

1

1

1

Temporary Sediment Trap

960

Temporary ponding basin to trap sediment

1

1

1

1

2

Temporary Seeding

965

Planting vegetation to protect areas from erosion

3

2

2

2

2

2

2

2

2

2

Temporary Slope Drain

970

Short term water conveyance down a sloping area

2

1

1

1

1

Temporary Stream Crossing

975

Short term stream crossing for equipment

1

1

2

Temporary Swale

980

Temporary excavated drainageway to control runoff

1

1

1

1

1

1

Topsoiling

981

Adding or replacing quality soil to the surface

2

1

2

1

1

1

1

1

Tree/Forest Ecosystem Preservation

984

Protecting contiguous stands of trees from construction damage

2

2

2

2

1

3

3

1

2

1

Tree and Shrub Planting

985

Planting trees and shrubs

3

3

3

2

1

2

3

3

3

3

2

Tree Protection

990

Protecting individual trees from construction damage

1

1

1

1

1

1

1

1

1

1

Tree Protection-Augering

991

Protecting individual trees from underground construction damage

1

1

1

1

1

1

1

1

1

1

Vegetative Streambank Stabilization

995

Vegetation to control streambank erosion

3

1

1

1

Well Decommissioning

996

Permanent sealing of a water well, boring, or monitoring well

3

3

3

1 = Slight Impact
2 = Moderate Impact
3 = Significant Impact

October 2001

selguide.xls