Kehtna Valla Ühisveevärgi Ja –Kanalisatsiooni Arendamise Kava Aastateks 2020-2032

Kehtna Valla Ühisveevärgi Ja –Kanalisatsiooni Arendamise Kava Aastateks 2020-2032

Töö nr: 08-04-20-ÜVK Kehtna valla ühisveevärgi ja –kanalisatsiooni arendamise kava aastateks 2020-2032 Tellija: Kehtna Vallavalitsus Töö koostaja: OÜ Alkranel Tartu 2020 SISUKORD SISSEJUHATUS .................................................................................................................................................. 6 1. OLEMASOLEVA OLUKORRA ISELOOMUSTUS ........................................................................................... 7 1.1 ÜLDANDMED ........................................................................................................................................ 7 1.2 SOTSIAAL -MAJANDUSLIK ÜLEVAADE ........................................................................................................... 7 1.2.1 Elanikkonna iseloomustus ....................................................................................................... 7 1.2.2 Majandus ja tööhõive .............................................................................................................. 9 1.3 KESKKONNAÜLEVAADE .......................................................................................................................... 10 1.3.1 Kaitsealused objektid ............................................................................................................ 10 1.3.2 Geoloogiline ehitus ja hüdrogeoloogia.................................................................................. 11 1.3.3 Ehitusgeoloogia ..................................................................................................................... 15 1.3.4 Pinnavesi ............................................................................................................................... 17 1.3.5 Muud loodusvarad ................................................................................................................ 17 1.4 VEE -ETTEVÕTTE ISELOOMUSTUS ............................................................................................................. 18 1.5 KOHALIK OMAVALITSUS ......................................................................................................................... 19 2. OLEMASOLEVA VEE- JA KANALISATSIOONISÜSTEEMI OLUKORRA KIRJELDUS ....................................... 21 2.1 ÜHISVEEVÄRGI PUURKAEV -PUMPLAD ....................................................................................................... 21 2.2 KEHTNA VALLA VEETOODANG JA –TARBIMINE NING REOVEE KOGUSED ............................................................ 21 2.3 JÄRVAKANDI ALEV ................................................................................................................................ 25 2.3.1 Veevarustussüsteemide kirjeldus .......................................................................................... 25 2.3.2 Tuletõrje veevarustussüsteemide kirjeldus............................................................................ 27 2.3.3 Joogivee kvaliteet .................................................................................................................. 28 2.3.4 Kanalisatsioonisüsteemide tehniline kirjeldus ....................................................................... 29 2.3.5 Järvakandi alevi reovee reostuskoormus .............................................................................. 30 2.3.6 Järvakandi alevi reoveepumplad ........................................................................................... 30 2.3.7 Järvakandi alevi purgla.......................................................................................................... 30 2.3.8 Järvakandi alevi reoveepuhasti ............................................................................................. 31 2.4 KEHTNA ALEVIK ................................................................................................................................... 33 2.4.1 Veevarustussüsteemide kirjeldus .......................................................................................... 33 2.4.2 Tuletõrje veevarustussüsteemide kirjeldus............................................................................ 35 2.4.3 Joogivee kvaliteet .................................................................................................................. 35 2.4.4 Kanalisatsioonisüsteemide tehniline kirjeldus ....................................................................... 35 2.4.5 Kehtna aleviku reovee reostuskoormus................................................................................. 36 2.4.6 Kehtna aleviku reoveepumplad ............................................................................................. 37 2.4.7 Kehtna purgla ........................................................................................................................ 38 2.4.8 Kehtna aleviku reoveepuhasti ............................................................................................... 38 2.5 KAEREPERE ALEVIK ............................................................................................................................... 40 2.5.1 Veevarustussüsteemide kirjeldus .......................................................................................... 40 2.5.2 Tuletõrje veevarustussüsteemide kirjeldus............................................................................ 42 2.5.3 Joogivee kvaliteet .................................................................................................................. 42 2.5.4 Kanalisatsioonisüsteemi tehniline kirjeldus ........................................................................... 42 2.5.5 Kaerepere aleviku reovee reostuskoormus............................................................................ 43 2.5.6 Kaerepere aleviku reoveepumplad ........................................................................................ 43 2.5.7 Kaerepere aleviku reoveepuhasti .......................................................................................... 44 2.6 KEAVA ALEVIK ..................................................................................................................................... 44 2.6.1 Veevarustussüsteemide kirjeldus .......................................................................................... 44 2.6.2 Tuletõrje veevarustussüsteemide kirjeldus............................................................................ 45 2.6.3 Joogivee kvaliteet .................................................................................................................. 46 2.6.4 Kanalisatsioonisüsteemi tehniline kirjeldus ........................................................................... 46 2.6.5 Keava aleviku reovee reostuskoormus .................................................................................. 47 2.6.6 Keava aleviku reoveepumplad .............................................................................................. 47 1 2.6.7 Keava aleviku reoveepuhasti ................................................................................................. 48 2.7 EIDAPERE ALEVIK ................................................................................................................................. 50 2.7.1 Veevarustussüsteemide kirjeldus .......................................................................................... 51 2.7.2 Tuletõrje veevarustussüsteemide kirjeldus............................................................................ 52 2.7.3 Joogivee kvaliteet .................................................................................................................. 52 2.7.4 Kanalisatsioonisüsteemi tehniline kirjeldus ........................................................................... 53 2.7.5 Eidapere aleviku reovee reostuskoormus .............................................................................. 53 2.7.6 Eidapere aleviku reoveepumplad .......................................................................................... 54 2.7.7 Eidapere aleviku reoveepuhasti ............................................................................................ 55 2.8 LELLE ALEVIK ....................................................................................................................................... 56 2.8.1 Veevarustussüsteemide kirjeldus .......................................................................................... 57 2.8.2 Tuletõrje veevarustussüsteemide kirjeldus............................................................................ 58 2.8.3 Joogivee kvaliteet .................................................................................................................. 58 2.8.4 Kanalisatsioonisüsteemi tehniline kirjeldus ........................................................................... 59 2.8.5 Lelle aleviku reovee reostuskoormus ..................................................................................... 59 2.8.6 Lelle aleviku reoveepumplad ................................................................................................. 60 2.8.7 Lelle aleviku reoveepuhasti ................................................................................................... 60 2.9 LOKUTA KÜLA ...................................................................................................................................... 62 2.9.1 Veevarustussüsteemide kirjeldus .......................................................................................... 62 2.9.2

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