SINGAPORE-BASED wastewater treatment startup Hydroleap has raised S$2.6 million in a funding round led by Wavemaker Partners. Other investors included Seeds Capital and 500 Startups’ South-east Asia-focused 500 Durians fund. The startup will use the funds to take its electrical wastewater treatment technology to industrial parks, mining, palm oil and semiconductor industries, it said in a media release on Monday.…