Legislative framework :: Laos
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Legislative framework : Lao PDR

A system diagram of laws and policies on water environment in Lao PDR

Environment Protection Law Prime Ministerial Decree on the Implementation of the Water and Water Resources Law Constitution Water and Water Resources Law
Forestry Law Prime Ministrial Decree on the Implementation of the Environment Protection Law
Agriculture Law Land Law
Electricity Law Mining Law Industrial Processing Law
Hygiene and Disease Prevention  Law

Regurations and Standards

  1. Management Instruments: relevant regurations and standards
  2. Environmental quality standards for water and effluent standards

The parameters for monitoring

Physical/chemical parameters

Temperature, pH, Conductivity, TSS, Ca, Mg, Na, K, Alk, Cl, SO4, NO3-N, NH4-N, PO4-P, Tot-P, DO and COD

Biological parameters

Faecal, Coliform, Faecal Streptococci, Number of bottom fauna density

Pesticide residues

DDT, Aldrin, Dieldrin, Chlorinated hydrocarbon

Sediment transport

Suspended sediment concentration

The background information on the standards

  • In October 14, 2003, Ministry of Public Health (MOH) has issued the Decree for drinking water quality standard in Lao PDR and standard for checking of water resource No 953/MOH. 
  • In November 3, 1994, the Ministry of Industry-Handicrafts has issued the Industrial Waste Discharge Regulation No. 180/MIH. Article 4 of this Regulation describe the Concentration Standards for some types of industries such as sugar mill, textile and garment industry, pulp mill, paper mill, slaughter house and other effluent standards (general effluent standards, specific effluent standards, electroplating and battery plants). 
  • In January 1, 2001, the National Center for Environmental Health and Water supply, Ministry of Public Health (MOH) has issued the Basic Knowledge of Water Quality Guideline. The guideline describe i) Method of promotion for controlling of drinking water quality, ii) Significant steps for controlling of water quality, iii) The use of natural source of water, iv) Natural source of water and it component, v) Characteristic of material, vi) Source of wastewater from industries and agriculture, vii). Method for improving of water quality, viii) Method for sampling of spring water, and ix) Drinking water quality standards.
  • In May 29, 1998, Science Technology and Environment Organization have issued the Regulation on the Monitoring and Control of Waste water Discharge No. 1122/STENO.