E.br So Fk Blackwater B-11

E.br So Fk Blackwater B-11 is an earth dam located in Johnson County, Missouri, built in 1958. It carries a Low hazard potential classification.

About E.br So Fk Blackwater B-11

The primary purpose of E.br So Fk Blackwater B-11 is flood risk reduction. The dam is designed to control downstream flooding by temporarily storing excess water during storms and releasing it at a controlled rate. The dam is owned by Johnson Co Scd (local government). It impounds the Tr-e Br.so Fk.blackwater near Sweet Springs.

The dam stands 33 feet tall and stretches 780 feet across, creates a reservoir covering 5 acres, has a maximum storage capacity of 88 acre-feet, and collects water from a drainage area of 160 square miles. Completed in 1958, the structure is well into its service life at over 50 years old.

This dam has a low hazard potential classification, meaning that failure would cause minimal damage, limited primarily to the dam owner's property, with no expected loss of life.

At 33 feet, this dam is taller than 78% of dams nationwide.

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

Low HazardNot Rated ConditionEmergency Action Plan: Not Required

Location

StateMissouri
CountyJohnson
Nearest CitySweet Springs
River/StreamTr-e Br.so Fk.blackwater
Coordinates38.87957, -94.06779

Physical Characteristics

Dam TypeEarth
NID Height33 ft
Dam Height31 ft
Dam Length780 ft
Year Completed1958 (68 years old)

Storage & Hydraulics

NID Storage88 acre-ft
Max Storage88 acre-ft
Normal Storage21 acre-ft
Surface Area5 acres
Drainage Area160 sq mi
Max Discharge1,574 cfs
Spillway TypeUncontrolled

Ownership & Safety

PurposeFlood Risk Reduction
OwnerJOHNSON CO SCD
Owner TypeLocal Government
Hazard ClassificationLow
Condition AssessmentNot Rated
Emergency Action PlanNot Required

Identifiers

NID IDMO50221
Federal IDMO50221
More InfoState Dam Safety Program

Nearby Dams