Post on 25-Dec-2014
description
Celebrating 40 years of taking care of Missouri’s natural resources.
REGFORM – Missouri Water Seminar
September 4, 2014
Numeric Nutrient Criteria
John Hoke, Missouri DNR
Celebrating 40 years of taking care of Missouri’s natural resources.
History of Numeric Nutrient Criteria in Missouri
• 2009 – Numeric nutrient criteria for lakes approved by Missouri Clean Water Commission, submitted to EPA
• 2011 – EPA disapproves most of the nutrient criteria portion of the rule
• 2014 – Department develops alternate nutrient criteria in response to EPA disapproval
Celebrating 40 years of taking care of Missouri’s natural resources.
Nutrient Criteria Protect Designated Uses
Chl-aTotal P
Total N
Celebrating 40 years of taking care of Missouri’s natural resources.
Nutrient Criteria Follow Ecoregions
Celebrating 40 years of taking care of Missouri’s natural resources.
Numeric Nutrient Criteria Schedule
• Regulatory Impact Report developed to estimate economic and environmental costs and benefits
• Proposed rulemaking will include public comment period and public hearing
• Rule to be effective 2015/2016