The traditional owners of the area are the Noongar peoples, who have inhabited the region for tens of thousands of years.

Settlers arrived in the latter part of the 19th century, with large cattle leases being held in the area in the 1920s.

In 1959 women's changerooms and a playground were constructed on the margin of the lake, and a kiosk was built in 1961.
New Year's Day picnics were regularly held at the site and in 163 over 2,500 people attended.
Red perch were introduced into the lake in 1967.
The Doris Haynes Memorial Park that surrounds part of the lake was opened in 1975 and the Junior Farmer's Club built a wall in the same year and fishing was permitted.
The red perch were no longer found in the lake by 1977 as a result of salinity.
In November 1999 comprehensive water quality monitoring commenced.

In 2007 the Lake Poorrarecup Upgrade Committee was formed and the boat ramp was upgraded and new eco-toilets were installed.

The lake is the largest of over one hundred lakes and swamps within the Shire of Cranbrook, and is used as a recreational area during the warmer months for swimming and water skiing.
Facilities at the site include changerooms, parking, sheltered areas and toilets.
Camping is permitted around the lake but camping fees of A$20 per night per vehicle apply.
The traditional owners of the area are the Noongar peoples, who have inhabited the region for tens of thousands of years.
Settlers arrived in the latter part of the 19th century, with large cattle leases being held in the area in the 1920s.
In 1959 women's changerooms and a playground were constructed on the margin of the lake, and a kiosk was built in 1961. New Year's Day picnics were regularly held at the site and in 163 over 2,500 people attended. Red perch were introduced into the lake in 1967. The Doris Haynes Memorial Park that surrounds part of the lake was opened in 1975 and the Junior Farmer's Club built a wall in the same year and fishing was permitted. The red perch were no longer found in the lake by 1977 as a result of salinity. In November 1999 comprehensive water quality monitoring commenced.
In 2007 the Lake Poorrarecup Upgrade Committee was formed and the boat ramp was upgraded and new eco-toilets were installed.
The lake is the largest of over one hundred lakes and swamps within the Shire of Cranbrook, and is used as a recreational area during the warmer months for swimming and water skiing. Facilities at the site include changerooms, parking, sheltered areas and toilets. Camping is permitted around the lake but camping fees of A$20 per night per vehicle apply.
Lake Poorrarecup