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Nutrient management regulation – guides, protocols and tables

Learn about the protocols that support the regulations under the Nutrient Management Act, 2002. This technical information is for Ontario producers who have requirements under the Nutrient Management Act, 2002 and the associated regulations.

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1. Introduction
2. Nutrient management protocols
3. Sampling and analysis protocols
4. Guides
5. Previous (expired) protocols

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Introduction

The purpose of the Nutrient Management Act, 2002 is to provide for the management of materials containing nutrients in ways that will enhance protection of the natural environment and provide a sustainable future for agricultural operations and rural development. There are Regulations under the Nutrient Management Act and protocols that support the Regulations. The supporting protocols are found on this page.

Nutrient management protocols

Current protocols

• 2021 Off-Farm Anaerobic Digestion Materials Protocol
• 2021 Odour Guidance for On-Farm Anaerobic Digestion
• 2021 Nutrient Management Protocol for O. Reg. 267/03

• Nutrient Management Tables for O. Reg. 267/03:

  • Table 1. Nutrient Unit Livestock Information
  • Table 2. Manure Databank
  • Table 3. Non-agricultural source materials odour categories

• 2015 Greenhouse Nutrient Feedwater Management Protocol for O. Reg. 300/14

• 2014 Greenhouse Nutrient Feedwater Management Table

Sampling and analysis protocols

Current protocols

• 2021 Sampling and Analysis Protocol for for O. Reg. 267/03
• 2014 Greenhouse Nutrient Feedwater Sampling and Analysis Protocol for O. Reg. 300/14

Guides

• 2012 NASM Odour Guide for O. Reg. 267/03
• Regulatory Requirements for Regulated Mixed Anaerobic Digestion Facilities

Previous (expired) protocols

For information on previous (expired) protocols, contact the: Agricultural Information Contact Centre
1-877-424-1300
ag.info.omafra@ontario.ca Updated: May 12, 2023 Published: July 12, 2022 [O. Reg.]: Ontario regulation [NASM]: Non-agricultural source material