Kohila Valla Ühisveevärgi Ja –Kanalisatsiooni Arendamise Kava Aastateks 2016-2027

Kohila Valla Ühisveevärgi Ja –Kanalisatsiooni Arendamise Kava Aastateks 2016-2027

KOHILA VALLA ÜHISVEEVÄRGI JA –KANALISATSIOONI ARENDAMISE KAVA AASTATEKS 2016-2027 Tellija: OÜ Kohila Maja Töö nr: 208-14 (KO8) Projekti juht: H. Metspalu Tallinn, september 2015 Muudetud detsember 2017 Kohila valla ühisveevärgi ja –kanalisatsiooni arendamise kava aastateks 2016-2027 1 SISSEJUHATUS ............................................................................................................................... 7 2 ARENDAMISE KAVA KOOSTAMISEKS VAJALIKUD LÄHTEANDMED ....................... 9 2.1 ÕIGUSLIK BAAS ........................................................................................................................................ 9 2.1.1 Riigisisesed õigusaktid ............................................................................................................ 9 2.1.2 Euroopa Liidu direktiivid ...................................................................................................... 10 2.1.3 Omavalitsuse olulisemad õigusaktid ............................................................................... 11 2.2 LÄÄNE-EESTI VESIKONNA VEEMAJANDUSKAVA ................................................................................... 11 2.3 KOHILA VALLA ARENGUKAVA 2012-2025.......................................................................................... 12 2.4 KOHILA VALLA ÜLDPLANEERING AASTANI 2015 ................................................................................. 12 2.5 KOHILA VALLA ÜVK ARENGUKAVA 2007-2018.............................................................................. 12 2.6 KOHILA REOVEEKOGUMISALA VEEMAJANDUSPROJEKT ........................................................................ 13 2.6.1 Kohila reoveekogumisala veemajandusprojekt ........................................................... 13 2.6.2 Keskkonnaprogrammist rahastatud ja teostatud projektid 2007-2013 ............ 14 2.7 VEE ERIKASUTUSLUBA ......................................................................................................................... 14 3 SOTSIAAL-MAJANDUSLIK ÜLDISELOOMUSTUS ........................................................... 16 3.1 ÜLEVAADE .............................................................................................................................................. 16 3.2 ELANIKKOND .......................................................................................................................................... 16 3.3 LEIBKONNA SISSETULEK JA MAKSEVÕIME ........................................................................................... 17 3.3.1 Tariifide jõukohasus ja taluvusanalüüs .......................................................................... 18 3.4 ETTEVÕTLUS ........................................................................................................................................... 18 3.5 KOHILA VALLA EELARVE ......................................................................................................................... 19 3.6 KOHILA VALLA FINANTSVÕIMEKUSE ANALÜÜS ..................................................................................... 19 4 KESKKONNASEISUND ............................................................................................................... 21 4.1 REOVEEKOGUMISALAD .......................................................................................................................... 21 4.2 GEOLOOGILINE EHITUS ......................................................................................................................... 27 4.3 PINNAVESI .............................................................................................................................................. 27 4.4 PÕHJAVESI.............................................................................................................................................. 29 4.5 LOODUSKAITSEALAD .............................................................................................................................. 30 5 ÜHISVEEVARUSTUS .................................................................................................................... 32 5.1 VEETOODANG JA VEETARBIMINE ........................................................................................................... 32 5.2 ÜHISVEEVARUSTUSE RAJATISED ........................................................................................................... 38 5.2.1 Kohila vald ................................................................................................................................. 38 5.2.2 Aespa alevik .............................................................................................................................. 40 5.2.3 Hageri alevik ............................................................................................................................. 40 5.2.4 Kohila alev ................................................................................................................................. 40 5.2.5 Prillimäe alevik......................................................................................................................... 41 5.2.6 Salutaguse küla ....................................................................................................................... 42 5.2.7 Sutlema küla ............................................................................................................................ 43 5.2.8 Vilivere küla .............................................................................................................................. 43 5.3 PUURKAEVUDE VEE KVALITEET.............................................................................................................. 44 5.4 JOOGIVEE KVALITEET ............................................................................................................................. 44 5.5 VEEVÕRK ................................................................................................................................................ 45 5.6 TULETÕRJE VEEVARUSTUS ..................................................................................................................... 46 5.6.1 Aespa alevik .............................................................................................................................. 46 5.6.2 Hageri alevik ............................................................................................................................. 46 5.6.3 Kohila alev ................................................................................................................................. 47 5.6.4 Prillimäe alevik......................................................................................................................... 49 5.6.5 Salutaguse küla ....................................................................................................................... 50 5.6.6 Sutlema küla ............................................................................................................................ 50 5.6.7 Vilivere küla .............................................................................................................................. 50 5.7 VEEVARUSTUSE PÕHIPROBLEEMID ........................................................................................................ 50 AS Infragate Eesti 2 September 2015, muudetud detsember 2017 Kohila valla ühisveevärgi ja –kanalisatsiooni arendamise kava aastateks 2016-2027 6 KANALISATSIOON ...................................................................................................................... 52 6.1 ÜLEVAADE .............................................................................................................................................. 52 6.2 REOVEE VOOLUHULGAD KÄESOLEVAL AJAL JA PERSPEKTIIVSELT ....................................................... 52 6.3 OLEMASOLEVAD KANALISATSIOONIEHITISED ...................................................................................... 58 6.3.1 Kanalisatsioonivõrk ................................................................................................................ 58 6.3.2 Kanalisatsioonipumplad........................................................................................................ 58 6.3.3 Reovee puhastusseadmed .................................................................................................. 61 6.4 KANALISATSIOONI PÕHIPROBLEEMID ................................................................................................... 66 7 SADEMEVEE KANALISATSIOON JA PINNASEVEE ÄRAJUHTIMINE ...................... 67 7.1 SADEMEVEE SÜSTEEME REGULEERIVAD TÄHTSAIMAD PÕHIMÕTTED .................................................. 67 7.1.1 HELCOM soovitused ............................................................................................................... 67 7.1.2 Ühiseesvooludega seotud õiguslikud alused ................................................................ 68 7.2 OLEMASOLEV OLUKORD ......................................................................................................................... 70 7.2.1 Eesvoolude kirjeldus .............................................................................................................. 71 7.2.2 Sademeveekanalisatsiooniga kaetud alad .................................................................... 71 7.2.3 Sademeveesüsteemide põhiprobleemid .......................................................................

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