In May 2000, the State of Maryland promulgated regulations which guide the implementation of the Water Quality Improvement Act of 1998. A current set of these regulations are posted on the Maryland Department of Agriculture's web site.

• COMAR 15.20.04
  Nutrient Management Certification and Licensing

  Covers certification and licensing requirements for individuals or businesses who write nutrient management plans.

• COMAR 15.20.05
  Manure Transportation Pilot Project

  Describes the voluntary Manure Transportation Project, a 4-year project intended to facilitate the transport of poultry litter and livestock manure from farms in all areas of the State that are subject to phosphorus over-enrichment.

• COMAR 15.20.06
  Nutrient and Commercial Fertilizer Application Requirements for Agricultural Land and Land, Including State Property, Not Used for Agricultural Purposes

  Describes requirements for persons who apply nutrients to more than ten acres of agricultural land or who apply commercial fertilizer to three or more acres of non-agricultural land or State-owned land.

• COMAR 15.20.07
  Agricultural Operation Nutrient Management Plan Requirements

  Requires agricultural operators to develop and implement nitrogen and phosphorus-based nutrient management plans for agricultural operations by certain deadlines.

• COMAR 15.20.08
  Content and Criteria for a Nutrient Management Plan Developed for an Agricultural Operation

  Describes the content requirements for a nutrient management plan, the plan recommendations given by a certified nutrient management consultant and the requirements for implementation of a nutrient management plan by the agricultural operator.