FL S0686

Water management districts must adopt rules for stormwater design and performance standards that increase nutrient removal from new development and redevelopment projects, with the Department of Environmental Protection incorporating these rules by reference.

Department and water management districts must amend the applicant's handbook by December 1, 2020 to include revised best management practices and low-impact design criteria that increase nutrient removal and ensure net improvement in water quality for impaired water bodies.

Creates rebuttable presumptions that stormwater management systems designed and maintained according to adopted standards do not cause or contribute to violations of state water quality standards.

Department must conduct or oversee training for department, water management district, and local pollution control program staff, including coordinated field inspections of public and privately owned stormwater controls.

By July 1, 2021, the department and water management districts must initiate rulemaking to update stormwater management system rules based on the most recent scientific information.

General permits for stormwater systems serving 10 acres or less now require documentation that the project does not cause discharge of additional stormwater pollutants into impaired water bodies or waters with adopted total maximum daily loads.