When the water course has been obstructed on lower land, the owner of the higher land may at his or her own expense construct works necessary for its drainage.
Civil Act — Article 222 (Right of drainage works)
민법 제222조
For AI agents and developers — get this article as JSON, with the English and current Korean effective dates and an outdated-translation flag, from the korea-law API or as an MCP tool:
https://mcp.apify.com?tools=kr-data/korea-law