Irwin Creek Overflow Lagoon Dam

Irwin Creek Overflow Lagoon Dam is an earth dam located in Mecklenburg County, North Carolina, built in 2001. It carries a Significant hazard potential classification and has a fair condition assessment.

About Irwin Creek Overflow Lagoon Dam

Irwin Creek Overflow Lagoon Dam is a dam in Mecklenburg, North Carolina. The dam is owned by Charlotte Water, Customer Service And Engineering (public utility). It impounds the Irwin Creek.

The dam stands 26 feet tall and stretches 1,890 feet across, creates a reservoir covering 6 acres, and has a maximum storage capacity of 104 acre-feet. Completed in 2001, the structure is relatively new.

This dam has a significant hazard potential classification, meaning that a failure could cause significant economic damage — flooding roads, bridges, or property downstream — but is not expected to result in loss of life. Its condition is rated fair — the dam has minor deficiencies that are being addressed or do not pose an immediate safety threat. The most recent inspection on record was 12/09/2024.

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Significant HazardFair ConditionEmergency Action Plan: No

Location

StateNorth Carolina
CountyMecklenburg
River/StreamIrwin Creek
Coordinates35.19810, -80.90700

Physical Characteristics

Dam TypeEarth
NID Height26 ft
Dam Length1,890 ft
Year Completed2001 (25 years old)

Storage & Hydraulics

NID Storage104 acre-ft
Max Storage104 acre-ft
Normal Storage92 acre-ft
Surface Area6 acres
Spillway TypeNone

Ownership & Safety

PurposeOther
OwnerCharlotte Water, Customer Service and Engineering
Owner TypePublic Utility
Hazard ClassificationSignificant
Condition AssessmentFair
Last Inspection12/09/2024
Emergency Action PlanNo

Identifiers

NID IDNC03450
Federal IDNC03450
More InfoState Dam Safety Program

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