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Department of Irrigation and Drainage
Ministry of Water, Land and Natural Resources
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Macap Dam



Active ImageMacap dam, completed in 1982 is a part of an extensive drainage infrastructural works carried out under the Western Johore Agricultural Development Project. The dam is located approximately 0.8km behind Macap town on Sungai Macap, a tributary of Sungai Benut.

The primary purpose of Macap dam is for flood mitigation. The dam serves to store part of flood discharge of Sungai Benut, thus reducing the intensity of flood downstream. It was designed to retain a 25-years flood with a maximum downstream release of 540 cusecs, which is the capacity of downstream channel. The stored water in the reservoir is used to regulate Sungai Macap flows to Syarikat Air Johor intake located further downstream for domestic water supply. Currently, Syarikat Air Johor is abstracting about 2Mld from Sungai Macap. The hydro electric turbine provision was not utilised because it was uneconomical.

The dam comprises an earthfill main dam, an earthfill saddle dam and a service spillway structure with radial gates

 

Background of Project

Location

Year Completed

Year of Construction

Project Cost

Kluang, Johor

1982

1980

RM 15,600,000.00

Information of Strtucture

Reservoir Area

Capacity

Catchment Area

Height

9.09 Km²

30.6 Mm³

77.0 Km²

11.5 m

Crest Length

Structure Material

Crest Elevation

Spillway Type

550.0 m

Earthfill

19.81 m

2 Nos, Ungated, 3 Nos, Gated Ogee Crested



Last Updated 2017-05-18 15:59:59 by Administrator

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