Clearwell Phase 2

Low HazardSatisfactory ConditionEmergency Action Plan: No

Location

CountyContra Costa
River/StreamGrayson Creek
Coordinates38.00380, -122.06740

Physical Characteristics

Dam TypeEarth
NID Height30 ft
Dam Height30 ft
Dam Length2,090 ft
Year Completed1977 (49 years old)

Storage & Hydraulics

NID Storage100 acre-ft
Max Storage100 acre-ft
Surface Area6 acres

Ownership & Safety

PurposeWater Supply
OwnerCentral Contra Costa Sanitary District
Owner TypePublic Utility
Hazard ClassificationLow
Condition AssessmentSatisfactory
Last Inspection02/27/2025
Emergency Action PlanNo

Identifiers

NID IDCA01109
Federal IDCA01109
More InfoState Dam Safety Program

Nearby Dams

Mallard 1.9 mi High Martinez Dam 2.3 mi High Vista Del Mar Detention Basin 6.3 mi High Pond 2b 7.3 mi Low Pine Creek Detention 7.5 mi High Leland 7.6 mi High Lake Herman 7.8 mi High Lafayette 9.1 mi High Pine Creek 9.2 mi High Briones 10.0 mi High