House committee substitute makes the following changes to the 3rd edition.

Amends the long title.

Amends the whereas clauses, deleting clauses related to the USACE Notice of Decision and adding clauses regarding the intent of the General Assembly.

Deletes Section 1 of the act, concerning the legislative intent of the General Assembly.

Deletes provisions that provided for the repeal of all of the Jordan Lake Rules and the Jordan Lake Session Laws.

Sets out the administrative rules that are to be considered "Jordan Lake Rules," including 15A NCAC 02B .0262 through .0267, .0270 through .0272, and .0311. Sets out the session laws that are to be considered "Jordan Lake Session Laws," including SL 2009-216, Part II of SL 2009-484, Section 14 of SL 2011-394, Section 12.1 of SL 2012-187, Subsections 9(c) through 9(g) of SL 2012-200, and Subsections 11(a) through 11(e) of SL 2012-201. Delays the implementation of the Jordan Lake Rules and Jordan Lake Session Laws that begin July 1, 2013, or later, for three years.

Deletes Section 3 of previous edition, LRC Study Jordan Lake Nutrient Loading Issues.

Provides for the modified implementation of the Protection of Existing Riparian Buffers Rule, as provided for and described in 15A NCAC 02B .0267, Jordan Water Supply Nutrient Strategy: Protection of Existing Riparian Buffers. Sets out the conditions and criteria for the implementation of the Buffer Rule. Requires this rule to remain effective until the effective date of the rule required to be adopted by the EMC below. Directs the EMC to adopt a rule consistent and substantively identical with the specified conditions and criteria for implementation.

Amends the enactment clause of the act, providing that the act is effective when it becomes law (previously, subsection 2(b) of the act was effective October 1, 2013, with the rest effective when the act became law).