Pit No. 6 Diversion

Pit No. 6 Diversion is a concrete dam located in Shasta County, California, built in 1965. It carries a High hazard potential classification and has a satisfactory condition assessment.

About Pit No. 6 Diversion

The primary purpose of Pit No. 6 Diversion is hydroelectric. The dam generates hydroelectric power by channeling water through turbines, converting the energy of flowing water into electricity. The dam is owned by Pacific Gas And Electric Company (private). It impounds the Pit River near Redding.

The dam stands 195 feet tall and stretches 582 feet across, creates a reservoir covering 268 acres, has a maximum storage capacity of 15,619 acre-feet, and collects water from a drainage area of 4,770 square miles. Completed in 1965, the structure is well into its service life at over 50 years old.

This dam carries a high hazard potential classification, which means that a failure or uncontrolled release of water would likely cause loss of human life. This classification reflects the consequences of failure, not the likelihood — it indicates that people live or work in the area downstream. Its condition is rated satisfactory, indicating no existing or potential dam safety deficiencies are recognized. An emergency action plan is in place for this dam. The most recent inspection on record was 08/01/2023.

At 195 feet, this dam is taller than 99% of all dams in the United States.

Living Downstream

If you live or work downstream of this dam, consider taking these steps: learn your local evacuation routes, check whether your county emergency management office has a dam failure inundation map, and sign up for local emergency alerts. The California dam safety program can provide more specific information about emergency planning for this structure.

Search for dams near your address to see all dams in your area with hazard classifications and safety data.

High HazardSatisfactory ConditionEmergency Action Plan: Yes

Location

StateCalifornia
CountyShasta
Nearest CityRedding
River/StreamPit River
Coordinates40.92240, -121.99310

Physical Characteristics

Dam TypeConcrete
NID Height195 ft
Dam Height195 ft
Dam Length582 ft
Year Completed1965 (61 years old)

Storage & Hydraulics

NID Storage15,900 acre-ft
Max Storage15,619 acre-ft
Normal Storage15,900 acre-ft
Surface Area268 acres
Drainage Area4,770 sq mi
Max Discharge115,000 cfs
Spillway TypeControlled

Ownership & Safety

PurposeHydroelectric
OwnerPacific Gas and Electric Company
Owner TypePrivate
Hazard ClassificationHigh
Condition AssessmentSatisfactory
Last Inspection08/01/2023
Emergency Action PlanYes

Identifiers

NID IDCA00414
Federal IDCA00414
More InfoState Dam Safety Program

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