Click here to access a detailed map of TA-63

PRS

Erosion Matrix Score

Assessment Date

Structure

Mesa Top

Bench

Canyon Floor

Channel

Topography Explanation

Ground Explanation

Slope Explanation

Runoff Evidence

Channelized

Channel Description

Runoff Wetland

Runoff Other

Terminus Explanation

Runoff Explanation

Structure Run-On

Structure Explanation

NPDES Run-On

NPDES Explanation

Natural Run-On

Natural Run-On Explanation

ESH-18 Representative

BMP Prescription

BMP Description

Not BMPs Sediment

Comments

63-001(a)

24.0

8/27/1997

NO

YES

NO

NO

North facing bench to Ten Site canyon - north of Building 1.  Subsurface PRS approximately 50 feet below surface for leach line.  Septic tank approximately 8-10 feet deep.

Weeds and some grass for vegetative cover (both sites).

Bench slopes to canyon (both sites)

NO

NO

YES

Parking lot run-off skirts PRS-001(b).

NO

YES

R. Reynolds

NO

63-001(b)

24.0

8/27/1997

NO

YES

NO

NO

North facing bench to Ten Site canyon - north of Building 1.  Subsurface PRS approximately 50 feet below surface for leach line.  Septic tank approximately 8-10 feet deep.

Weeds and some grass for vegetative cover (both sites).

Bench slopes to canyon (both sites)

NO

NO

YES

Parking lot run-off skirts PRS-001(b).

NO

YES

R. Reynolds

NO