BANGKOK, Thailand — An oil leak at a data centre in Bangkok’s Rama 9 area has triggered environmental concerns and intensified scrutiny over the rapid growth of energy-intensive facilities in urban communities.

Authorities found oil-contaminated wastewater and sediment inside and outside the DAMAC Digital Thailand BKK 01 data centre after residents and nearby businesses complained of a strong oil-like smell.

The discovery raised fears that contaminated wastewater could enter the public drainag