To meet the requirements of Regulation .04A(3) of this chapter, a regulated activity may not: As determined by the Department, cause an individual or cumulative effect that degrades: Aquatic ecosystem diversity, productivity, and stability; Plankton, fish, shellfish, and wildlife; Recreational and economic values; and Public welfare; or As determined by the Department, cause an individual or cumulative effect that: Violates any applicable State water quality standard, the Environment Article of the Annotated Code of Maryland, or the Clean Water Act; Degrades surface and ground water quality. To meet the requirements of Regulation .04A(4) of this chapter, a regulated activity shall be consistent with any comprehensive watershed management plan developed or approved by the Department. Comprehensive watershed management plans shall meet the following criteria: Comprehensive watershed management plans may be prepared by local, State, or federal government agencies; A private property owner may request to assist in the preparation of a comprehensive watershed management plan when the entire watershed is owned by the private property owner; and: When the Department, after consultation with appropriate local, State, and federal agencies, approves of the request; A private property owner agrees to assist in the preparation of the comprehensive management plan in accordance with this section; and The comprehensive watershed management plan meets the requirements of §B(3)—(5) of this regulation; Comprehensive watershed management plans shall be prepared in cooperation with local, State, and federal agencies and approved by the Department; The Department may not adopt or approve a plan before conducting a public informational hearing on the proposed plan in the county or counties affected by the comprehensive watershed management plan; A comprehensive watershed management plan shall include the following elements: A functional assessment of nontidal wetlands within the watershed; The location of potential mitigation sites; Protection of nontidal wetlands; A plan for limiting cumulative impacts to nontidal wetlands; Water supply management; and Flood management.