IPES Score Summary

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Printed on 7/16/2026

Individual Parcel Evaluation System

Official Score: 963

Parcel

031-132-003 031-132-003

Address

2688 WILLIAM AVE, SOUTH LAKE TAHOE, CA

County

City of South Lake Tahoe

Notes

Summary of each Scoring Element

	Maximum Points	IPES Points
Relative Erosion Hazard	450	409
Runoff Potential	200	167
Access to Building Site	170	170
Disturbance in Stream Environment Zone	110	110
Condition of Watershed	70	36
Ability to Revegetate	50	25
Water Quality Improvements	50	26
Proximity to Lake Tahoe	50	20
Total Raw IPES Points	1,150	963

Determination of IPES Score

Raw IPES Points		963
Factor for Parcel Area Outside of SEZ < 5000 sq. ft.		1
Factor for Parcel Area Outside of SEZ < 10,000 sq. ft.		1
Factor for Parcel with No Area Outside of SEZ or SEZ Setback		1
Limited Incentive Points		0
IPES Score		963

Determination of Base Allowable Coverage

Location	Area (ft²)	Allowable Base Percent (%)
IPES Building Site Area	10,000	30%
Parcel Area in SEZ	0	-
Parcel Area in SEZ Setback	0	-

IPES Coverage Score: 576

Printed on 7/16/2026

Individual Parcel Evaluation System

Official Score: 963

Parcel

031-132-003 031-132-003

Address

2688 WILLIAM AVE, SOUTH LAKE TAHOE, CA

County

City of South Lake Tahoe

Details of each Scoring Element

Relative Erosion Hazard Score

409

Soil Erodibility Factor

0.15

Rainfall Factor

LS Factor

.27

Length Slope Segments

Length	Slope Angle
114 ft.	1%
6 ft.	11%

Runoff Potential Score

167

Hydrological Soil Group

Group A

Hydrological Condition

Fair

Access Score

170

Disturbance for Access

No Disturbance

Parcel Access Type

New Access Up Slope

Excavation Difficulty

Slight

In Streamzone

Height of Cut Slope

<= 1 foot

Height of Fill Slope

<= 3 feet

Gradient of Cut or Fill Slope

<= 4%

Utility in SEZ Score

110

Utility Disturbance

No Disturbance

Condition of Watershed Score

36

Watershed

Trout Creek

Ability to Revegetate Score

25

Vegetative Group

Group B - Dryness

Elevation of Parcel

< 7000 feet

Average Building Site Slope

Compass Degrees of Parcel

Water Quality Improvements Score

26 Proximity to Lake Score

20

Proximity to Lake

Between 1 Mile From HWL To 2 Miles From HWL