H Taylor Blalock Res Dam Reservoir Report

Last Updated: December 6, 2025

H Taylor Blalock Reservoir Dam, located in Spartanburg, South Carolina, stands as a critical water supply infrastructure managed by the local government.


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Summary

With a primary purpose of providing water supply, this concrete dam spans 1,220 feet in length and reaches a height of 72 feet, offering a storage capacity of 20,000 acre-feet. Positioned on the Pacolet River, this dam plays a vital role in regulating water flow and ensuring a stable water supply for the surrounding area.

Despite its significant impact on water management, the H Taylor Blalock Reservoir Dam poses a high hazard potential and is categorized as having a very high risk level. The dam's condition assessment is currently rated as fair, with the last inspection conducted in August 2019. With a controlled spillway and a surface area of 760 acres, the dam faces ongoing risk management challenges to maintain its structural integrity and safeguard against potential emergencies. As climate change continues to impact water resources, the resilience and sustainability of this dam become increasingly crucial for the local community's water security.

As water resource and climate enthusiasts, understanding the complexities of infrastructure like the H Taylor Blalock Reservoir Dam is essential for addressing the evolving challenges of water management in a changing climate. With a focus on regulatory compliance, risk assessment, and emergency preparedness, this dam serves as a key focal point for sustainable water resource management in the region. By staying informed and actively engaged in the maintenance and monitoring of critical infrastructure like this dam, enthusiasts can contribute to ensuring the long-term viability and resilience of water resources in the face of climate uncertainties.

Dam Length

1220

Dam Height

72

River Or Stream

PACOLET RIVER

Primary Dam Type

Concrete

Surface Area

760

Nid Storage

20000

Hazard Potential

High

Foundations

Rock, Soil

Nid Height

72
       
Seasonal Comparison

Weather Forecast

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Nearby Streamflow Levels

H Taylor Blalock Res DamPACOLET RIVER BELOW LAKE BLALOCK NEAR COWPENS Preview Pacolet River Below Lake Blalock Near Cowpens
201.0cfs
201cfs
H Taylor Blalock Res DamPACOLET RIVER NEAR FINGERVILLE Preview Pacolet River Near Fingerville
85.1cfs
85cfs
H Taylor Blalock Res DamLAWSONS FORK CREEK AT SPARTANBURG SC Preview Lawsons Fork Creek At Spartanburg Sc
65.8cfs
66cfs
H Taylor Blalock Res DamNORTH PACOLET RIVER AT FINGERVILLE Preview North Pacolet River At Fingerville
104.0cfs
104cfs
H Taylor Blalock Res DamBROAD RIVER NEAR BOILING SPRINGS Preview Broad River Near Boiling Springs
623.0cfs
623cfs
H Taylor Blalock Res DamSOUTH PACOLET RIVER NR CAMPOBELLO Preview South Pacolet River Nr Campobello
39.9cfs
40cfs

Dam Data Reference

Condition Assessment

Satisfactory
No existing or potential dam safety deficiencies are recognized. Acceptable performance is expected under all loading conditions (static, hydrologic, seismic) in accordance with the minimum applicable state or federal regulatory criteria or tolerable risk guidelines.
Fair
No existing dam safety deficiencies are recognized for normal operating conditions. Rare or extreme hydrologic and/or seismic events may result in a dam safety deficiency. Risk may be in the range to take further action. Note: Rare or extreme event is defined by the regulatory agency based on their minimum
Poor A dam safety deficiency is recognized for normal operating conditions which may realistically occur. Remedial action is necessary. POOR may also be used when uncertainties exist as to critical analysis parameters which identify a potential dam safety deficiency. Investigations and studies are necessary.
Unsatisfactory
A dam safety deficiency is recognized that requires immediate or emergency remedial action for problem resolution.
Not Rated
The dam has not been inspected, is not under state or federal jurisdiction, or has been inspected but, for whatever reason, has not been rated.
Not Available
Dams for which the condition assessment is restricted to approved government users.

Hazard Potential Classification

High
Dams assigned the high hazard potential classification are those where failure or mis-operation will probably cause loss of human life.
Significant
Dams assigned the significant hazard potential classification are those dams where failure or mis-operation results in no probable loss of human life but can cause economic loss, environment damage, disruption of lifeline facilities, or impact other concerns. Significant hazard potential classification dams are often located in predominantly rural or agricultural areas but could be in areas with population and significant infrastructure.
Low
Dams assigned the low hazard potential classification are those where failure or mis-operation results in no probable loss of human life and low economic and/or environmental losses. Losses are principally limited to the owner's property.
Undetermined
Dams for which a downstream hazard potential has not been designated or is not provided.
Not Available
Dams for which the downstream hazard potential is restricted to approved government users.
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Nearby Reservoirs

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