Orange County NC Website
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.d G i- r. <br /> U:isaclv,lnta�,.,es <br /> 1.. Detention facilities increase ttfc: cost of development of a site- the <br /> minimum cost for a detention pond and associated handvarc is $3,00004,000., <br /> Detention facilities also require Sand for the structures to he located <br /> upon, thus affecting development densities. <br /> ?... Detention faci.l:i.ties require periodic naintanance to Ensure that they <br /> continur, to function properly and urovent their deterioriation AN local <br /> units of government- in Orange county have stated that they do not •i_-h to <br /> be responsible for ongoing maintenance of such facilities, Therefore, <br /> mai.ncenancc is generally Dandled through homeoszers associations in subai•- <br /> visions, and property oanaers in other projects. A is expected that this <br /> situation may present problemG sometime in the future, mainly due to lack <br /> of action on the part Of An individuals responsible for this maintenance. <br /> 3. &o::ie professionals in erosion control contend that detention any lead to <br /> eie^redati.on of stream reaches below i ention structures, Mis in due to <br /> increase in the len°rl: of time that a cresk vN7 flow at a greater stage. <br /> height duo to a Maximoo release late under desiZa conditions, This rasQlts <br /> in two prolonged cutting elevations Q tale heights) in the stream, one at <br /> basc.flow levels and one aL the design discharge This condition is assunad <br /> to cause sloughing of stream banks in excess of the a_mounr that vOUld occur <br /> without detention_ <br /> 4. Other considerations include L'ha possMili.ty of small children drowning <br /> in these poAs. L,here pones a e ;wilt purely for detention, they will <br /> usually d;:a:in within 2 or 3 hours after ce-.sst t'ion of a stores. Thure is no <br /> parmanam pool. Therefore, the dinger of. someone drowning in such a pond <br /> should be slight, <br /> Lack of maintennnee may result. in puddling in betwaan storms due to Loss <br /> V positivo drainage to the outlet.. This could provide breeding areas for <br /> monquiCos. This condition would be quite easy to correct by .,ra01 smotrnts <br /> of shovel Word, <br /> a <br />