National Environmental (Soil Erosion and Flood control) Regulations 2011 (S.I. No. 12/2011).

In order to establish practices to abate soil erosion, siltation and sedimentation of the waters and to achieve a sustainable protection of the ecosystem, these Regulations, made under the National Environmental Standards and Regulations Enforcement Agency Act, aim at minimising losses due to flood and erosion and their effects on vulnerable areas; controlling accelerated soil erosion, flooding and sediment deposition in water bodies and water courses in order to prevent water pollution; restricting or prohibiting land disturbing activities; regulating or minimising the alteration of natural floodplains, stream channels, and natural protective barriers of flood waters and improving the construction of flood barriers. The Regulations apply to all earth-disturbing activities, performed on unincorporated lands of the Country, being used or developed for non-agricultural, commercial, industrial and residential purposes.
Matters covered by the Regulations include: inventory of erosion and flood; activities exempted from the application of the Regulations, including: livestock grazing, trees and crops planting; regulated activities; erosion control guidelines and approval procedures; standards for erosion and sediment control practices; flood control guidelines and measures; permits; inspection and enforcement actions; offences and penalties; interpretation of relevant terms, including: ditch; dumping; development area; earth-disturbing; erosion and sediment control; flood; grading; human settlement; landslide; outfall; substantial damage; sediment; soil erosion; soil stabilisation; watercourse; watershed; water resources.