Drainage

Infrastructure and planning to support the drainage of excess water and stormwater from heavy rains or snowmelt is an important part of maintaining the health of crops and soil.

The following documents provide information on how to manage stormwater and agricultural drainage.

• Stormwater Management Planning for Agricultural Facilities (PDF)
• Agricultural Drainage Criteria (PDF, 1.1 MB)
• Water Quality Evaluation of Agricultural Runoff in the Lower Fraser Valley (PDF)
• Special Care in the Installation of Subsurface Drainage on Sloping Land (PDF)

B.C. Agricultural Drainage Manual

Agricultural drainage is an essential part of farming. This publication contains information on guidelines for agricultural drainage in British Columbia and is intended as a general reference, although specific drainage design criteria are included.

• B.C. Agricultural Drainage Manual

Drainage Management Guide

The Drainage Management Guide provides information on preparing a Drainage Management Plan and on the operation and maintenance of drainage systems. It also provides guidance on agency contacts which are required prior to conducting maintenance works involving constructed ditches.

• Drainage Management Guide