Nyob rau hauv xyoo tas los no, tag nrho cov khoom siv dej tau khaws cia li ntawm 50 billion cubic meters, uas yog 51.342 billion cubic meters nyob rau hauv 2011, ntawm cov dej ntau lawm yog 15.965 billion cubic meters, accounting rau 31.09 feem pua ntawm cov dej tag nrho; Cov dej hauv tsev yog 24.765 billion cubic meters, suav txog 24.765 billion cubic meters ntawm cov dej. 48.24 feem pua ntawm tag nrho. Xyoo 2011, qhov ntev ntawm kuv lub teb chaws cov kav dej hauv nroog tau mus txog 570,{16}} mais, 1.5 npaug ntawm qhov kawg ntawm "Kaum Tsib Xyoo" lub sijhawm. Txawm li cas los xij, qhov teeb meem ntawm cov dej xau ntawm lub network hauv ntau lub nroog thiab cov nroog yog qhov hnyav heev, thiab cov pa xau yog siab li 25 feem pua -30 feem pua. Cov yeeb nkab yas yog corrosion-resistant, PVC yeeb nkab system adopts saj zawg zog kev twb kev txuas, thiab PE yeeb nkab system txais vuam, yog li cov nyhuv los tiv thaiv yog pom tseeb heev. Yog li ntawd, nrog rau txoj kev loj hlob thiab kev vam meej ntawm cov kav dej yas nyob rau hauv lub tshav pob ntawm cov dej sab nraum zoov, nws yog ib qho inevitable qauv uas ntau thiab ntau cov kav dej yas siv nyob rau hauv lub nroog cov dej network. Tam sim no, 37 feem pua ntawm cov kav dej tseem ceeb hauv kuv lub teb chaws cov dej hauv nroog muaj teeb meem kev laus loj, thiab 32.8 feem pua muaj cov khoom siv tsis zoo. Cov yeeb nkab network ntawm cov dej hauv nroog yog qhov qub, puas thiab puas ntsoog. Qhov nruab nrab qhov poob ntawm cov dej yog 20 feem pua, thiab cov khoom pov tseg yog loj. Yog li ntawd, muaj qhov xav tau loj heev rau kev kho cov dej xau thiab hloov cov kav dej hauv nroog.
