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<br />Process Water
<br />Bu~m.:~:'>l'" .md md\l~tn<,s U~ rrlXl>~~
<br />W~lt'T w dean pwdU\:l:'>. h1 tLIn"f';.'n f'T
<br />rCIlll.W,' m~rcJll'l1b. rrlldUll~, "T c,lntanll-
<br />Il.lnl": .md III ,",muL,l p,'llulllm ,lr JlSjl<':'t'
<br />l.r W,lSI" Prill""'" wa"hmc Jnd nn"ln~ .ITl'
<br />mtq:;ral C\lmp"Il,'nb ,,! many manuLlclur-
<br />m.~ llpt.'TJ!I\llb mdl1dln~ mcl.ll rl,l!ll1~
<br />.mJ ftmshmg. p;lp..-r pr,'<Judll'l1. Jnd ;.0.'1111-
<br />(,mduc!,]! chip L\nnLltll1n Pt,'..:",.,. \Llln
<br />I,. al<;o u'-t:d W d,'\'ct"p x-r.1Y .mti ph"lll.
<br />graphh: film Ik,:;ltl:'t: the .lnWlInt or WJ[.:f
<br />rcqum:d f"T pw,',':'-"mg \'JflC" .K'l\'rJm~ Lll
<br />1ts U5t:. b')lh demand .mJ P"ll"ntU! teJu,-
<br />Ik>O" In Jl'm,md Me Lllrh- jll<:-sp,:uhl
<br />Amllllg tn,' Ic..:hnolpglL'S lhal can
<br />lmpfl'n: the dhucn,"y ell pnXl...." w.ller
<br />u;.e aTr smalkr l.lllk" "T smk" f,lt w,bh-
<br />lflg and nn..mg. mlal11lttcnt-llll\\ r.lIna
<br />lh.m nmttnu,'us.fil'\\ sys{.:m~. .md h,uch
<br />prex:':sslng ':Ql1lpnwnt In-Il.,\\ Il\.:t,'r~.
<br />cllOtrol \'ak.:". I'r :'-I.'n~'rs ;dl"w 11,,\\ r,lll'~
<br />to be ,ldlUstl'd to,' the lTllnllTmm am"tlllt
<br />r,'quir.:d .mJ to IX' stlJpp..'d ,IS so,1o as
<br />nnstng <'r washmg b compktl'u
<br />
<br />Recycling and Reuse
<br />Nonp,'t;lhle \\'J.ta IS hn"'1l1l1ll' lIl(feJ.S-
<br />lOgly (....0101"11 !,'r llSl' b~ (L'mmnu3.1.
<br />mdustnal. and IIlStuutll'l1;ll rlmStlll\l'r"
<br />In a nc>np"lahle reuS(' syst,'m. m1l11lnp.ll
<br />.....ater pTll\1ders tre.lt r!"\Urn lhw.s. surh
<br />as dnu.:nt fr,'m .I WJ.q.:\\ <Iter tr("atnwnt
<br />p!.tnt. to nuke it "-Ife jl'r lrn~J!l,'n 1'1 g,,]f
<br />cLlurses. reml'll'n.:s. parks, ,If (I1mlll.:rctJV
<br />muustn.11 (("lHn~. f..,r l':\amplr C11111r,lJ"
<br />Spnngs hJS had a n..mp..,tJhle reu".. system
<br />in place Iof mJny years ..\umra ;1],;" ha-;. .1
<br />rruse Sy~tl'lll. Dell\'l'r \VJIC'r',;. rl'u...... pro}I'..'t
<br />eameonhtlel112.0tH
<br />Facwrit's (If bUslness,'s may ,lIs,'
<br />engineer sy.;telll<' l<l reuse prl"-"'';:'' .....ater
<br />"'n-~lte. mdudmg technlqul's SUdl JS
<br />"'-'quentlal nnsing or reusing ,lJsh .mJ
<br />rinse .....ater In sequl'nll,l1 nrhmg, spt"1lt
<br />,,';iter from <'ne pfexess IS f,~uscd as nn.",'
<br />.....ater for Illwer-~r.1J.. pw(e"s stt'ps or
<br />othcr apphcltwns st!(h a" ((lllhng 1,'\\'Cr
<br />rnakt'-up water \\':1"h l'f noSe wala fwm
<br />(("nam manUbLltlflng llfN:r;Ltl<:m~ l.ml'l;ll
<br />Imishinl' l.'r pulp .md pJ.pa ,'pn.llll10... j,'r
<br />t'x.lmp!d Cl11 hI' treall'd and rl'lurnt'd to
<br />the rin:;e sy~Il'rn I,'r r,'US<
<br />
<br />Efficient Water Use III Commerce and Industry
<br />
<br />Denver Zoo Reduces Water
<br />
<br />Consumption by More Than Half
<br />
<br />The txlwer Zoo opened in 1896 with one
<br />black bear, During its first 50 years. the :;:00
<br />added other ammals nal1\"e to !.he We!>lem
<br />United Stales. and In the 19505 expanded
<br />to encompd-'\S spcries from ac~ the gll)oc.
<br />Today- the 8O-acre facilit)' hOllieS nearly 4,000
<br />3mm:tls representmg 750 spcries and hosts an
<br />3\'C'l'dgf' of 1.5 million visitors each year
<br />In the lati." 1\J90s. the ::00 embarked on
<br />a program of fa{'ilit). upgrades and watcr use
<br />reduction measures that induded modemu- I
<br />ing restroom.. and catmg facilities 3S well a,<;
<br />replilcing or repamng the agmg pipelines lhilt
<br />dlStribUle waler throughout the facility. In
<br />addlllon. the ;::00 upgraded the fillrillion and
<br />pumping sy~ems at several animal exhibits.
<br />including those for pobr I:>t'ars and sea lions,
<br />pro\idmg better water quallt}. for the amIDal..
<br />and allowmg tht'5e exhlhus to be drJ.med and
<br />refilled twice a year mstead of monthly. ~':Gie;1;'bit ~T60-
<br />As a result of tht'sc improvements, the zoos watcr consumption in 2002 amounted
<br />(0175 million gallons less than in 1997-a reduction of more .hiln 50 percl'nt oflOlal
<br />water demand. This deel1'a~ in demand CUI the :;:oos annual water COSIS by $194,000.
<br />Thl' improved wilter treatment systems sa,'ed another $19,000 a year In lowered cOSts
<br />Illr tl1'3tmem chemicals. bringing total annual saVings to $21},OOO.
<br />In the summn of 2{)1,14. the zoo connected to Denver \\'atl'rs recycled \\.~.uer sys-
<br />tem and began USIn~ l1'c1aimed water for landscape migatwn and cagc dednmg, The
<br />lower cost of the recycled water should further reduce the :!oos WJter costs.
<br />
<br />
<br />
<br />Green Industry Promotes Water Quality and Efficiency
<br />
<br />GITen Industries of Colorado (GreeneD) is an alliance of rune landscape. related
<br />trade as..c;ociations represenllng sod growers. landsc,lpe architl'C1s. greenhouse grow-
<br />ers. nurserks, retailers. landscape contractors. la\\.11 care professionals. awnsts.
<br />and florists, Realizing that the economic health of the grecn industry is mextricably
<br />linked with the condition of the Slate's water resources. GreenCO has dewloped a
<br />m3nllill of 29 beSt management practices (B!;lPs) that 5uppon \\.~Jter quality protec-
<br />[lOll and water-efficient lanclscapmg practict"S Entnled Besl .\fllnagfmenl Proctias for
<br />tlu' Conwn'a!iOPI and Prolt'tfion of \\-itlcr Rt'sourft'S in Cola/ado, the manual is availabll' at
<br />\\'\\"',\'_~IT'enco.org. Though lhe manual is largetl'd toward green industry professionals.
<br />It can also serve as a resource for homeownt'rs and for O\\llers and managcrs of com-
<br />mercial. mdustrial Jnd mSluutional facilines.
<br />TopiCS Cll\'eITd by the BMPs and explained in an:ompanytng fact shl'ets include
<br />landscape design, installation. and maimcnance; design and managemem of large
<br />landscapes such as parks and goU courses: trngation effICiency; trrigation systl'm
<br />design. IIl5lallallon. and matntenanL'C; water hudgeting; plant selection and place.
<br />ment; production practices for nurseries, greenhouses. and growers; tree care; turf
<br />management; and compliance v.ith federal. state, and local regulations affectmg nurs_
<br />ery and landscapmg operations.
<br />GrecnCO's efforts to pwmOle waler use efficiency also mclude a public av.::ue-
<br />ness ~mpaign ClUed -Its Easy Betng Grl'en,~ A joint pWJcrt with the Colorado State
<br />University Coopcrauve Extension. lhis prlJgram focuses on efftcient "'";lter use for lawns
<br />and gardens, tree care dunng drought, and Dlher water-\\'!Se landscaptng practict'S.
<br />
<br />Ctf'Zr:..'", Gu<OIE fC CCLCl?AOe WATIEl? ce"!IIE"""'r.e.. 15
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