Friday April 24, 2026
Khmer Times —
The Ministry of Environment said regular water quality monitoring along the Mekong River shows that conditions remained within a “good” range during the first quarter of 2026.
The ministry conducts monthly water quality assessments at 11 monitoring stations located along the Mekong River across Stung Treng, Kratie, Kampong Cham, Kandal, Phnom Penh and Prey Veng provinces. The monitoring is carried out in cooperation with municipal and provincial departments of environment.
Officials said the assessments focus on 12 key parameters used to evaluate water quality, including pH, dissolved oxygen (DO), total suspended solids (TSS), biochemical oxygen demand (BOD), chemical oxygen demand (COD), total nitrogen (TN), total phosphorus (TP), nitrate nitrogen (NO3-N), and heavy metals such as cadmium (Cd), hexavalent chromium (Cr6+), lead (Pb) and mercury (Hg).
According to results from January through March 2026, the Mekong River’s water quality was consistently recorded at a “good” level across monitored locations. The findings indicate that the river continues to meet national standards for surface water quality.