Etiwanda Debris Basin

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

CountySan Bernardino
Nearest CityRancho Cucamonga
River/StreamEast Etiwanda Creek
Coordinates34.15430, -117.51200

Physical Characteristics

Dam TypeEarth
NID Height51 ft
Dam Height51 ft
Dam Length4,175 ft
Year Completed2008 (18 years old)

Storage & Hydraulics

NID Storage283 acre-ft
Max Storage283 acre-ft
Surface Area24 acres
Drainage Area5 sq mi

Ownership & Safety

PurposeFlood Risk Reduction
OwnerCounty of San Bernardino Department of Public Works
Owner TypeLocal Government
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection03/10/2025
Emergency Action PlanYes

Identifiers

NID IDCA01495
Federal IDCA01495
More InfoState Dam Safety Program

Nearby Dams

San Sevaine Basin #5 1.2 mi High Day Creek Debris Basin 2.3 mi High Deer Canyon Debris Basin 3.8 mi High Alta Loma Basin #2 4.2 mi High Hickory Basin 4.3 mi Significant Alta Loma Basin #1 4.6 mi High Demens Creek Debris Basin 5.3 mi High Cactus Basin #4 7.2 mi High Cucamonga Creek Debris Basin 7.3 mi High Jurupa Basin 7.3 mi High