§ 155.247 LOTS.
   All new lots created by any major subdivision of land hereafter proposed shall conform to the minimum requirements of the applicable zoning regulations and shall also conform to the following standards of design.
   (A)   Shape of lots. Pointed or very irregularly shaped lots shall be avoided where possible. Additional depth or landscaping may be required on lots which back up to railroads, major streets, or other conflicting land uses.
   (B)   Access. All lots for detached houses shall abut a public street.
   (C)   On-lot sewage disposal systems (septic tanks). Lots that are served by a septic tank or other means of on-lot sewage disposal shall meet the requirements of the Louisville and the county’s Department of Health.
   (D)   Environmentally-constrained areas. Subdivisions that contain environmentally-constrained area, as defined in §§ 155.030 through 155.033, shall be developed in accordance with applicable development standards. (See §§ 155.045 through 155.051 and 155.065 through 155.071.)
   (E)   Drainage. No more than 15% of a required rear yard of a buildable lot may be occupied by a detention basin or a retention basin or any other drainage easement.
(LDC § 7.3.30) Penalty, see § 155.999