Vietnam and Thailand for basa and full of antibiotics and steroids
The Mekong clean ? according to
Seafood Importers Association of Australia (SIAA) : Correct Information About Basa
If the Mekong river commision says its not clean,
"Of the 60 million people living in the Lower Mekong Basin (LMB), about 40% live within a 15-km corridor along the Mekong River, most within 5 km of the mainstream. Without a doubt, the river acts as the region's highway and provides access to trade, food security and livelihoods.
Riverine communities are experiencing a period of rapid change, as the Lower Mekong Basin makes a competitive presence on regional and global markets. However, millions still live without basic amenities such as clean drinking water and electricity."
If its not fit to drink, what makes fish caught or grown in it safe ?
People Mekong River Commission
The Mekong river: Lies, dams and statistics | The Economist
water quality map of the mekong (last updated in 2008)
Water Quality Monitoring Map