The provisions of this article shall not apply to:
(1) Developers/property owners that can demonstrate that they have vested rights as of the adoption date of the revised stormwater ordinance from which this article is derived shall be exempt from the revised stormwater ordinance.
(2) Exemption from storm attenuation. Developments that meet one of the following requirements shall be exempt from storm attenuation:
a. The increase in peak flow between pre- and post-development conditions does not exceed ten percent; or
b. The proposed development meets all of the following criteria: overall impervious surface is less than 15 percent outside the ES and 12 percent inside the ES, and the pervious portions of the site are utilized to the extent practical to convey and control stormwater runoff.
Nutrient management and/or reduction shall still be required.
(Ord. of 7-10-2000, § 9.2.1; Ord. of 1-2-2001, § 9.2.1)