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County
Policies
Both
jurisdictions bordering Washington Dulles have created Airport Noise
Impact Overlay Districts in an effort to avoid incompatible land
uses. While the intent of the two counties is similar, their policies
and ordinances differ.
Loudoun
County:
In
order to ensure a "high-quality aural environment for both existing
and future residents", and to sustain the economic viability of
Washington Dulles and Leesburg Executive Airport, Airport Noise
Impact Overlay Districts were established to impose development
restrictions within specified areas surrounding both airports.
Loudoun
County's policy related to aircraft and overflight covers three
areas:
- For areas outside but within one mile of the Ldn (Loudness Day
Night - also is sometimes referred to as DNL - Day Night Loudness.
Click here for an explanation
of the unit) 60 contour, the County requires a full disclosure
statement to all prospective buyers located within that area.
County policy requires this disclosure in all showrooms, exhibition
exhibits, maps, advertisements, leaflets and other promotional
material. If you don't see this disclosure, please check. While
most sellers conscientiously provide this information, some were
granted exemptions from the policy in 1992 and others sometimes
forget. This disclosure requirement stays with the property
and should be made by the seller to prospective buyers each time
the property is sold.
- For areas between the Ldn 60-65 aircraft noise contours, the
County requires a full disclosure statement to all prospective
buyers, acoustical treatment to ensure that interior noise levels
within living spaces do not exceed a sound level of 45 db(A),
and an avigation easement. An "avigation easement" is like a utility,
trail or other easement, only it's in the sky above the property.
The easement provides the legal right for aircraft to fly directly
over your property without restrictions. Again, like other easements
(and the disclosure requirement), it is a right that transfers
with the property whenever it is sold.
- For areas exposed to aircraft noise greater than Ldn 65, the
County prohibits the construction of new residential or other
noise sensitive uses within those areas.
The
full content of the Loudoun Airport Noise Impact Overlay District
policies can be obtained by visiting chapter 5, pages 33 through
34 of the following link: http://www.loudoun.gov/bos/docs/boscompplanrevi_/generalplan_/toc.htm
Fairfax
County:
The Fairfax County Airport Noise Impact Overlay District has been
established for the general purpose of controlling conflicts between
land uses and noise generated by aircraft and to protect the public
health, safety and welfare from the adverse impacts associated with
excessive noise. Fairfax County regulates - land uses within existing
or projected airport noise impact areas by requiring acoustical
performance standards.
The
full content of the Fairfax County regulations governing these acoustical
performance standards can be obtained by visiting pages 21 through
30 of the following link: http://www.fairfaxcounty.gov/dpz/zoningordinance/articles/art07.pdf
Introduction
Maps
Survey
Growth of Dulles
Noise Factors
WATF Recommendation
Frequently Asked Questions
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