Provision of public institutions and private individuals engaged in management of water resources and pollution control with readily available information in breakdown by river catchment area.
Catchment areas of all major watercourses (rivers, streams, canals) of the Republic of Latvia exceeding 25 km² or the watercourses corresponding to the basin (or sections thereof) longer than 10 km.
- production of statistics;
- economic estimates and balances on waters.
Approved by the Regulations of the Cabinet No 397 "Regulations on Classification of Economic Sections of Waters" of 3 July 2018
Ministry of Environmental Protection and Regional Development of the Republic of Latvia
Are not planned.
Coding system – hierarchical
Code length – ten digits
Number of levels – 9
Description of levels
Level 1 – 20 river basins
Level 2 – 49 sections
Level 3 – 454 sections
Level 4 – 1477 sections
Level 5 – 1394 sections
Level 6 – 382 sections
Level 7 – 116 sections
Level 8 – 67 sections
Level 9 – 14 sections
Description of hierarchy
The code may consist of 2–10 digits.
Each watercourse tributary (and the corresponding section) is coded as a new sub-level (one digit in a code).
Additional information
The classification includes 3973 objects.