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STORM DRAIN
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STORM DRAIN
The primary aim of stormdrain design is to limit theamount of
water owing
along the gutters, or pondingat the sags, to quantities
whih will not interfere withthe assa e of tra! for a
WHAT IS A STORM DRAIN?
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The storm drain system onsists ofsurfae inlets strutures
onnetedto a underground pipe system" The
inlets are loated at points and atsuh inter#als to interept
owsand ontrol the water$s spread
width into the tra#eled lane"
WHAT IS A STORM DRAIN?
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STORM DRAINS
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STORM DRAINS
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STORM DRAIN POLLUTION
Our %iggest water quality pro%lems don&tome from a disharge
pipe" They omefrom stormwater washing o' the land(roads and
rooftops, lawns and
onstrution sites, par)ing lots anddri#eways"
The pro%lems inlude the ooding #olumesof water that ow o' the
hard, imper#ioussurfaes of our ur%an and su%ur%anlandsapes, as well
as all the pollutantsthat are washed o' these surfaes"
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WHAT SHOULD GO DOWN ASTORM DRAIN?
Stormwater, of course!
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VARIOUS STLS O" STORM DRAINS
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STORM DRAIN MAR#INGS
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NON$POINT SOUR% POLLUTION
Po&&ut'o( t)at ca((ot *e t'e+ to a
s'(&e, '+e(t'f'a*&e source- %ommo( (o($.o'(t
sources/
ar'cu&ture
forestr0 ur*a(
m'('(
co(struct'o(
+ams c)a((e&s
&a(+ +'s.osa&
sa&twater '(trus'o(
c't0 streets
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POLLUTANTS GOING TO WATRWAS
These pollutants include:
Fertilizers (agricultural & residential)
Herbicides (agricultural &
residential) Insecticides (agricultural &
residential)
Oil
Grease
Toxic chemicals from urban runoff
itter including cigarette butts &
che!ing gum"
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%torm!ater uantit' Impacts
Imperious surfaces
cause higher runoff
olume
High elocit'
storm!ater runoff
causes stream erosion
%tream erosion causeshabitat and propert'
loss
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%torm!ater uantit' Impacts
*o!ncutting exposes se!er linesthat can brea+, leading to
!ater-ualit' impacts
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%torm!ater ualit' Impacts
Increased !ash/off of pollutants
Increased !ater temperature
0esults in:
*ecrease in a-uatic life
oss of egetation oss of health' streams for recreation
*eclining -ualit' of drin+ing !ater supplies
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%torm!ater ualit' Impacts
2icrobial 3ollution
Trash & *ebris
Transportation
H'drocarbons
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SUBMITTED BY:
AYAG,VINCENT
BOCO, MARCO
GENER, KEVIN
PARIS, JONATHAN
