2918-25 STORMWATER 4.8.25-Revised - Final.pdf

33 § 25-29.9—Stormwater Management Requirement for Minor Development A. The stormwater runoff requirements applicable to Minor Developments are as follows: 1) For each square foot of increased impervious surface, six inches per square foot of stormwater shall be managed using green infrastructure practices set out in Table 7 below or such other measures as may be required by the municipal engineer of which the retention storm must be retained on site using green infrastructure. 2) All such development shall be subject to review by the municipal engineer to determine that all stormwater runoff created by the development is adequately controlled in accordance with the standards of this ordinance. 3) In such cases where it is determined that the outflow from the stormwater management system will impact an adjacent property, the outflow shall be directed to a storm sewer, swale, or other suitable stormwater runoff conveyance measure. 4) If the municipal engineer determines that the outflow from the stormwater management system may potentially damage an adjoining property and the out flow cannot be safely directed to a storm sewer, swale, or other suitable stormwater runoff conveyance measure, the stormwater runoff from the development shall be retained on-site at a rate of four inches of storage for each square foot of new impervious surface using green infrastructure practices or such other measures as may be required by the municipal engineer. 5) If the applicant cannot comply with § 25-29.9A above, the proposal should be redesigned or reduced in scope so that the stormwater management measures do not damage an adjoining property.