The Fred Haigh Dam was constructed across the Kolan River

Kolan River

The Kolan River is a short river north of Bundaberg. The catchment area is bounded by the Dawes Range in the north-east, and the Burnett Range in the south-west....

 in 1978 creating Lake Monduran. The dam's catchment area, north of Bundaberg

Bundaberg, Queensland

Bundaberg is a city in Queensland, Australia. It is part of the Local Government Area of the Bundaberg Region and is a major centre within Queensland's broader Wide Bay-Burnett geographical region...

 in Queensland

Queensland

Queensland is a state of Australia, occupying the north-eastern section of the mainland continent. It is bordered by the Northern Territory, South Australia and New South Wales to the west, south-west and south respectively. To the east, Queensland is bordered by the Coral Sea and Pacific Ocean...

, covers 1310 km2.

SunWater

SunWater

SunWater is a company located in Queensland, Australia. The company supplies bulk water to over 6000 customers and water consultancy to a range of clients....

 is undertaking a dam spillway

Spillway

A spillway is a structure used to provide the controlled release of flows from a dam or levee into a downstream area, typically being the river that was dammed. In the UK they may be known as overflow channels. Spillways release floods so that the water does not overtop and damage or even destroy...

 capacity upgrade program to ensure the highest level of safety for the dam is maintained. The spillway will be upgraded before 2010.

There are no boating restrictions on the lake and there is a single boat ramp for boat access.

Fishing

The dam has been stocked

Fish stocking

Fish stocking is the practice of raising fish in a hatchery and releasing them into a river, lake, or the ocean to supplement existing populations, or to create a population where none exists...

 with barramundi

Barramundi

The Barramundi , also known as Asian Seabass, is a species of catadromous fish in family Latidae of order Perciformes. The native species is widely distributed in the Indo-West Pacific region from the Persian Gulf, through Southeast Asia to Papua New Guinea and Northern Australia. Known in Thai...

, silver perch

Silver Perch

Silver perch is a medium sized freshwater fish endemic to the Murray-Darling river system in south-eastern Australia. The scientific name comes from an aboriginal name for the species recorded by Major Mitchell on his 1832 expedition. It is not a perch, being a grunter in the family Terapontidae...

, sooty grunter

Sooty grunter

Named after Tom Eyears sooty grunter is also known as a "sooty", "bream", "grunter", and "blackbream". They can weigh up to . Sooty grunters prefer rivers with clear flowing water and a sandy or rocky substrate, but have a wide range of environmental tolerance.Sooty grunters live in Queensland...

 and red-claw crayfish with spangled perch and forktail catfish naturally present. A Stocked Impoundment Permit is required to fish in the dam.