San Isidro Detention Pond No 3 Dam

LAS MANADAS CREEK· Webb, Texas· Earth· 18 ft tall
High Hazard Flood Risk Reduction Local Government

Key Takeaway

San Isidro Detention Pond No 3 Dam is classified as high hazard in Texas. Its primary use is flood risk reduction. High hazard means loss of life is likely if the dam fails — it does not indicate the dam's current condition. Learn more.

Physical Details

Dam Height 18 ft (taller than 25.8% in TX)
Dam Length250 ft
Dam TypeEarth
Max Storage150 acre-ft
Normal Storage0 acre-ft
Surface Area10 acres
Drainage Area2 sq mi
Max Discharge3,184 cfs
NID IDTX07193

Safety Information

High Hazard

Loss of human life is likely if the dam fails.

Hazard potential describes downstream consequences of failure, not the dam's current condition. What does this mean?

Emergency Action Plan: Yes
Last Inspection: November 4, 2015
State Regulated: Yes
Regulatory Agency: TCEQ

Ownership

CITY OF LAREDO;SAN ISIDRO MANAGEMENT LC

Local Government

Nearby Dams

Frequently Asked Questions

What is the hazard classification of San Isidro Detention Pond No 3 Dam?

San Isidro Detention Pond No 3 Dam is classified as High Hazard. Loss of human life is likely if the dam fails. This classification refers to the potential downstream consequences of a failure, not the dam's current structural condition.

Who owns and operates San Isidro Detention Pond No 3 Dam?

San Isidro Detention Pond No 3 Dam is owned by CITY OF LAREDO;SAN ISIDRO MANAGEMENT LC (Local Government). The owner is responsible for maintenance, inspections, and compliance with dam safety regulations.

What is the primary purpose of San Isidro Detention Pond No 3 Dam?

San Isidro Detention Pond No 3 Dam serves the following purposes: Flood Risk Reduction. Many dams in the U.S. are multi-purpose, supporting flood control, water supply, recreation, and other uses.

How tall is San Isidro Detention Pond No 3 Dam?

San Isidro Detention Pond No 3 Dam has a dam height of 18 ft. Dam height is measured from the natural streambed at the downstream toe to the top of the dam, and may differ from the visible height.

When was San Isidro Detention Pond No 3 Dam last inspected?

San Isidro Detention Pond No 3 Dam was last inspected on November 4, 2015. Inspection dates indicate when a formal review occurred, not the results of that inspection.

Data from the National Inventory of Dams (NID) maintained by the US Army Corps of Engineers. Dam conditions may have changed since the last update. This site is not affiliated with USACE. Do not use for emergency planning — contact your local dam safety program.