Kohila Valla Ühisveevärgi Ja –Kanalisatsiooni Arengukava

Kohila Valla Ühisveevärgi Ja –Kanalisatsiooni Arengukava

Kohila valla ühisveevärgi ja –kanalisatsiooni arengukava 1 SISUKOKKUVÕTE ..................................................................................... 5 2 SISSEJUHATUS ....................................................................................... 13 3 SOTSIAAL-MAJANDUSLIK ÜLDISELOOMUSTUS ................................ 15 3.1 Üldist........................................................................................................................15 3.2 Elanikkond..............................................................................................................15 3.3 Vee- ja kanalisatsiooniteenuste kulu leibkonna keskmise sissetuleku suhtes...16 3.4 Kohila valla eelarve................................................................................................17 3.5 Vallavalitsuse laenukohustused ............................................................................17 3.6 Vallavalitsuse laenuvõime analüüs.......................................................................18 3.7 Vee-ettevõtlus..........................................................................................................18 3.7.1 OÜ Kohila Maja...............................................................................................18 4 KESKKONNASEISUND............................................................................ 23 4.1 Geograafiline asend ja territoorium.....................................................................23 4.2 Geoloogia ja pinnamood........................................................................................23 4.3 Veekogud.................................................................................................................23 4.4 Põhjavesi .................................................................................................................23 4.5 Kaitstavad loodusobjektid Kohila vallas .............................................................24 4.6 Kaitsealad Kohila vallas ........................................................................................25 4.7 Mets .........................................................................................................................26 5 ÜHISVEEVARUSTUSE OLEMASOLEV OLUKORD................................ 27 5.1 Üldist........................................................................................................................27 5.1.1 Aespa................................................................................................................27 5.1.2 Hageri...............................................................................................................27 5.1.3 Kohila...............................................................................................................28 5.1.4 Lohu .................................................................................................................28 5.1.5 Masti.................................................................................................................28 5.1.6 Prillimäe...........................................................................................................28 5.1.7 Salutaguse ........................................................................................................29 5.1.8 Sutlema.............................................................................................................29 AS Eesti Veevärk Konsultatsioon 1 Tallinn 2006 Kohila valla ühisveevärgi ja –kanalisatsiooni arengukava 5.1.9 Urge................................................................................................................. 29 5.1.10 Vilivere............................................................................................................ 30 5.2 Ühisveevarustuse puurkaevpumplad .................................................................. 30 5.2.1 Aespa............................................................................................................... 32 5.2.2 Hageri.............................................................................................................. 32 5.2.3 Kohila.............................................................................................................. 33 5.2.4 Lohu................................................................................................................. 38 5.2.5 Masti................................................................................................................ 38 5.2.6 Prillimäe .......................................................................................................... 38 5.2.7 Salutaguse........................................................................................................ 39 5.2.8 Sutlema............................................................................................................ 40 5.2.9 Urge................................................................................................................. 41 5.2.10 Vilivere............................................................................................................ 41 5.3 Vee kvaliteet........................................................................................................... 41 5.3.1 Vee kvaliteet puurkaevpumplates ................................................................... 41 5.3.2 Vee kvaliteet tarbijapunktis............................................................................. 47 5.4 Veetöötlus............................................................................................................... 55 5.5 Ühisveevõrk............................................................................................................ 56 5.6 Veebilanss. Perspektiivne veevajadus.................................................................. 58 5.7 Põhiprobleemid ühisveevarustussüsteemis ......................................................... 64 6 ÜHISKANALISATSIOONI OLEMASOLEV OLUKORD.............................67 6.2 Reovee vooluhulgad............................................................................................... 68 6.3 Ühiskanalisatsioonivõrk........................................................................................ 73 6.4 Reoveepumplad ..................................................................................................... 75 6.5 Reoveepuhastus ..................................................................................................... 77 6.6 Reovee analüüsid ................................................................................................... 80 6.7 Sademeveekanalisatsioon...................................................................................... 87 6.8 Probleemid ühiskanalisatsioonisüsteemis ........................................................... 88 7 INVESTEERINGUPROJEKTIDE EESMÄRGID JA LAHENDUSALTERNATIIVID...............................................................................91 7.1 Investeeringuprojektide lahendusalternatiivid .................................................. 92 7.1.1 Aespa............................................................................................................... 92 7.1.2 Hageri.............................................................................................................. 92 AS Eesti Veevärk Konsultatsioon 2 Tallinn 2006 Kohila valla ühisveevärgi ja –kanalisatsiooni arengukava 7.1.3 Kohila...............................................................................................................93 7.1.4 Lohu .................................................................................................................94 7.1.5 Masti.................................................................................................................94 7.1.6 Prillimäe...........................................................................................................94 7.1.7 Salutaguse ........................................................................................................98 7.1.8 Sutlema...........................................................................................................100 7.1.9 Vilivere...........................................................................................................100 7.2 Alternatiivide hindamine.....................................................................................101 7.3 Investeeringuprojektide kirjeldus ......................................................................102 7.3.1 Aespa..............................................................................................................102 7.3.2 Hageri.............................................................................................................104 7.3.3 Kohila.............................................................................................................107 7.3.4 Lohu ...............................................................................................................112 7.3.5 Masti...............................................................................................................113 7.3.6 Prillimäe.........................................................................................................114 7.3.7 Salutaguse ......................................................................................................117 7.3.8 Sutlema...........................................................................................................120 7.3.9

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