Dimensional standards
Servicing
- Applies near
- Chesapeake Bay
- Geographic extent
- All land within the corporate limits of the city
Extracted standards
5 individual requirements pulled out of this section’s prose, each with the sentence it came from.
Other
- Buffer reduction requirements
The buffer area will achieve a 75 percent reduction of sediments and a 40 percent reduction of nutrients.
- RPA buffer width100 ft
A buffer area of 100 feet (measured from top of bank) located adjacent to and landward of the components listed in subsections (1) through (3) above and along both sides of any water body with perennial flow.
- Exempt land disturbance threshold2,500 sqftsq ftSquare feet. An acre is 43,560 sq ft; a typical suburban lot is 7,000–10,000.
Land-disturbing activities less than 2,500 square feet not part of a larger common plan of development or sale
- Single-unit residence exemption area1 acreacre43,560 square feet — about the size of an American football field without the end zones.
Single-unit residences separately built and disturbing less than one acre ... are exempt from the water quality requirements of sections 109(E)(3) and (E)(4) except the Alexandria water quality volume default requirement in section 13-109(E)(5) still applies.
- Site definition for water quality calculations
For projects disturbing less than 50 percent of the tax parcel, the disturbed area shall constitute the site; for projects disturbing greater than or equal to 50 percent, the entire tax parcel shall constitute the site.
From the ordinance
All land within the corporate limits of the city is designated as a Chesapeake Bay Preservation Area. ... Land-disturbing activities less than 2,500 square feet ... are exempt.