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  • LANDSCAPE IRRIGATION CONSERVATION BEST MANAGEMENT PRACTICES

    LANDSCAPE INDUSTRY COUNCIL OF HAWAII

  • 3 LANDSCAPE INDUSTRY COUNCIL OF HAWAII2 W W W. L A N D S C A P E H AWA I I . O R G

    Irrigation Precipitation Rate 1.5 inches/hr

    Runoff 0.5 inches/hr

    pit

    Infiltration 1 inch/hr

    16

    Head to Head coverage Water from one sprinkler touches the next sprinkler.

    Brochure graphics courtesy of the State of Hawaii Department of Transportation.

    CREATE A SUSTAINABLE FUTURE LANDSCAPE IRRIGATION uses upwards of fifty percent or more of our household drinking water. A poorly maintained or installed irrigation system can waste up to fifty percent of water due to inefficient irrigation practices, poor components, evaporation and runoff.

    MAINTAINING AND INSTALLING water efficient irrigation systems is one of the most effective ways to reduce wasted drinking water, reduce run-off, sediments and optimize plant health by applying the correct amount of water.

    THE LICH LANDSCAPE IRRIGATION CONSERVATION Best Management Practices includes 16 installation and 10 maintenance low cost & practical measures to save upwards of fifty percent of our landscape irrigation water. Use this guide or consult with a certified landscape professional.

    WATER is a precious resource for a sustainable future. Please do your part to conserve our drinking water.

    INSTALLATION BEST MANAGEMENT PRACTICES

    THIS SYMBOL DENOTES THE TOP TEN WATER CONSERVATION BEST MANAGEMENT PRACTICES.

  • 4 W W W. L A N D S C A P E H AWA I I . O R G 5 LANDSCAPE INDUSTRY COUNCIL OF HAWAII

    – Graphic courtesy of Rain Bird Corporation.

  • 6 W W W. L A N D S C A P E H AWA I I . O R G 7 LANDSCAPE INDUSTRY COUNCIL OF HAWAII

    Sprinkler without check valve Sprinkler with check valve

    Fixed Spray

    Bubblers

    Microspray

    Precision Spray

    Rotating Stream

    Impact Rotors

    Gear Rotors

    Drip Systems

    TYPICAL PRECIPITATION RATE RANGES

    Precipitation Rate in Inches per hour

    0.0 0.5 1.0 1.5

    Low Moderate High

  • 8 W W W. L A N D S C A P E H AWA I I . O R G 9 LANDSCAPE INDUSTRY COUNCIL OF HAWAII88888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888888 WW W WW W WWW W WWW W W.W W WW W WW W WW W WWWWW .WWW WWW WW WWW WWW WW W WW W WW W WW W WW W W.W WW W WW WW W WWWW W WWWW W W.W W W.W WW WWWWWWWWWW WW WWWWWW W W.W W WWW W WWWW W WW W W.W W WW W WW W WW W WW WWWWWWW W WW WWWWWWWW WWWWWWWWWWWWWWW WWWW WW W WWWWWWWW WWWW WW WW WWW WWWWWW W W.W W WWW W W.WW W WWWWWWWWWWWWWW W WW.W W WW W W.W W WWWW WWWWW WW WW W WW WW W WWW WWWWWWWWWWWWWWW W WWW W WWWWWW W WWWW WW W WW WW WWW W W.W W.W WWW WWWWWWWWWWWWWWWW W WWWW W WWW WWWWWWWWW WWW WW WWWW WW WW WW W WWWW WWWWWWWWWWWWWWWWWWWWWWWW WWWWW W W.W W W.WWWWWW WWWW WWWWWWWW W WWWWWW W WWWWWW W WWW W WWWW WWW WWWWWW WWWWWWWWWWW.WWWWWWWWWWWWWW W WWWWWWWW WW W WWWWWWWW WWWWW WW WW W WW W WW WW WWW W WWWWWW.W W WWW W WW W WWWW WW WW WW WWWWWW WWWWWW WW W WWWWW W WWW.WWWWWWWWWWW WW WWWWWWWWW WW WWWWW W WW W WWW W WW WWW W WWWWW W WWWWW WWWWWWW WWWWWWW WWWW WW WW WWWWW W W.W W WWWWW W.W W WW W WWW WWWW WWWWWWWWW WW W WWWWWWWW W WW W WW WW WWWWWWWWWWWWWW WW WWWWW W WW WWWWWWWWWWW WWWWWWWWWWWWWWWW WWW WWWW WWWWWWWW WWWWW WWW WWWWWWWWWWWWWWWW WW WWWWWW W WWWWWWWWWW WWWWWWWWW WWWWWWWWWWWW WWWW WWWWWWW W WW WWWWWWWWWWWWW WWW WWWWWWWWWWWWWW WWWW WWWWWWWW WWWWWWWWW.WWWWWWWWW WWWWW WWW LLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLLL A NAA N DN D SA N D SSAA DA N DA N DA N DNN DNNN DAAA N DDN DA N DN DDD SDDA N D SA NA N D SN DN D SNAA N DA N D SA N D SA SAAAAA NA NA N D SA N D SA N D SA N DNNNN DNA N DNA N DA N DA N DA N D SDN D SD SA N DN DD SDDA N DA N D SN D SA N D SA N D SD SN D SD SSSSA N D SAAAAA N DA N D SA N D SAAA N DA N DN D SNNA N DNNA N DN DA N DNA NA NA N DA N DDDDD SSSSSD SSD SSSSSSSNAAAA N DA NA N D SA N DAAAA N DA N DN D SN D SA N DA NA NNNNN D SDA N DA N DDDN DDDN D SN D SA N D SSN D SN D SN D SSSAAAAA N DA N DAA N DNNN D SNA N DA NNNA N DNNN DA N D SA N DDA N DDDDA N DD SSD SN D SSSSSSAAAA N DNN DA NNA N D SSSSN D SSSSAAAA N DA N DA N DA NN DN DNNNNNA N DDN DDDA N DD SSSSSSSSSSSAA N D SNN DN DA N DD SA N D SSSSSSSNN D SNN DA NNN D SA N DN DN DD SSSSSSA N DA N DA NA N D SNN DDDD SDDA N DN D SA N D SSSSA N D SSA N D SSA N DD SSSSSSA NAAAA N D SA N D SSA NA N DAAA N DN DNNNA N D SDD SSN D SSSSAA N DD SSSAAAAAA N D SN D SN D SNNN DDD SSSSAAAAA N D SN D SNNA N DDDD SSSSSSSSAAAAA N DA N D SNNNNA N DD SN D SSSSSSA N DAAAA N DNN DD SSA NNNNN D SNNN D SSSSNNNNN DDDDA NNNNN DDDD SNN C AC A PCCCCC A PCCC AAA PPPA PAC A PC A PA PA PPA PACC A PC A PC A P EECCCC ACC AA PAAA PC AAAAC AA PC AA PA PC A PPC A P EEEEEEECC AA PA PAAA PC AC AAAC A PAA PPPPC A P EEEEEEEEECCCCC A PC A PAA PA PAAAC AA PPPPC A PPP EEEEEC A PC AA PAAA PC AC AAA PPA PPA P EEEECCC AAAAAAAAA PAAAAAA PPP EEEECCCCC AAAA PAA PA PA P EA P EAAAAA PA PA PPA PA P EEEEEEEC AAA P EAAA PPPA PA P EEECCCCCCC A PAAA P EAAAAA PA P EEEEEECCCCCCCC AAA PA P EAAAAA P EA P EAAAAA PPPPPPPA P EEEEEEEECCC A PAAA PA P EAA PA PPPP EEEECCCCC AAA P EAAAA PA PPPPPC A PPPP EEEEEECCCCCC AAAAAAAAAAA PPA PPC A PPC A PP EEEEEEEEECCCCCC AAA P EA P EA PAC A PPPP EEEEEEEECCCCCCCCCCCCC A P EAAAAAA PPPC A PPPPA P EEEECCCCCCCCCCCC AA PA P EAAAC AAAAAA PPPPPPPA PA P EEEEECCCCCCCCCCCC AAAAAAA PA PPPPPPA PA P ECCCCCCCC AAAAAA PPPP ECC A PCCCC AAAAAAA PPPPPA P ECCCCC AAAAAA PPP EC AAAAA PPP EEE HHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHHH AWAWAWAWAWAWAAWAWAWAWAWAWAWWAWWAAWWWWAAAWAAAAAWAAWAWAWWWWWWWWWWWAWAWAAAAWAAAWAWAWAWAAWAWWAWWWWWWWWWAWAAAAAAAWAWAWAWAWAAWAWAWAWAWAWWWAWWWWWWWWWWAAAAAWAAWAAAAAWAAAAWAWWWWWWWWWWWWWAAAAAAWAAAAAAWAWAAAAAWAWWWWWAWAWWWWWAAAAAAAWAAAWAAAAAAWAWAAAAAAAWWWWWWWWWWAWWWWWAWAAAAWAAAAAAAAAAAAWAAWAAWAAAAWWWWWWWAWWWWWWWWWAAAWAWAAAAWAWAAAAWAAWAWAAWAAAWAAWWWWWWWWAWAWWWWWAWAAAWAAAAAAAAAAWAAAAAAWAAAAAWWWAWWWWWWWWAAAAAAAAAWAAAAAAAAAAAAAAAWWWWWWWAAAAWAAAAAAAAAAAAAAWWWWWWWAAAAAWAAAAAAAAWAWWAWWWWWWWWWAWAAAAAAAWWWWWWWWWAAAAAAWAAWWWWWWWWWWWWWWWWWAAWAAWAAAAAWWWWWWWWWWWWAAAAAAAWWWWWWWWAWAAWWWWWWWWWWWWAAAAAAAAWWWWWWWWWWAWWWAWWWAAAAAAWWWWWWWWWWWAAAAAAAAAAWWWWWWWWWWWWWWWWWWAAAAAWWWWWWWWWWWWWWAA II IIII IIII II II IIII IIII III IIII IIII II II IIIIII IIII III II III O R G. O R G. O R GO R G. O R G. OOO R GOO R GO R GOO R GO R G. O R G. O R G. O R GO R GO R GGGGO R GO R GOO R G. O. O R GOO. O R GGG. O R GGGGO RO R GGGGGGR GGGO R GO R G. O R GOOO R GO R GO R GO R GGGGO R GO R G. O R GO R GOO R GO R GGGGOOO RRO R GGGGGGGO R GR GGGGGGGGGGGGO R GGGGGGGO R GGO R GGR GGO R GO R GGGO GO R GGOO R GG8 W W W. L A N D S C A P E H AWA I I . O R G

    Rain Garden

    Rain gardens retain water on site and recharge our aquifers.ddd rerere recchacchacha gergergerge ouou our ar ar aquiquiquiferfefers.

  • 11 LANDSCAPE INDUSTRY COUNCIL OF HAWAII10 W W W. L A N D S C A P E H AWA I I . O R G

    Season Irrigation Run Time Days per Week

    Summer 15 minutes Every other day (June to Aug.)

    Transition Periods 7 minutes Every other day (Fall: Sept. to Nov. and Spring: Mar. to May)

    Winter 5 minutes Twice per week (Dec. to Feb.)

    TYPICAL SEASONAL IRRIGATION SCHEDULE FOR HAWAII

    00 W W W. L A N D S C A P E H AWA I I . O R G

    10MAINTENANCE BEST MANAGEMENT PRACTICES Photo courtesy Honolulu Board of Water Supply

    Run times shown for spray head zones. Rotor zones should be double run times shown.

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