Đánh giá chất lượng nước sông hậu khu vực thành phố long xuyên theo chỉ số chất lượng môi trường nước WQI

TRlT^NG DAI HOC AN GIANG KHOA KY THUAT - CONG NGHE •, MOI TRlTONG Dl/ONG THI KIM ANH DANH GIA CHAT LlTONG NlT6c SONG HAU KHU VlTC THANH PHO LONG XUYEN THEO CHI SO CHAT Ll/ONG MOI TRI/CING Nl/dC (WQI) TRU^iNG DAI HQC AN GIANG TH^VIEN KHOA LUAN TOT NGHIEP GVHD: Ths TRAN NGQC CHAU An Giang, 05/2013 LOT CAM ON Be hoan tot khda luan nay, em da nlian dupe rat nhieu sir ho trp, giup va chi bao tan tinh tir gia dinh, thay co, ban be va nhung ngubi xung quanh Lai dau tien, em xin gdi ldi cam on din cac thay co khoa Ky thuat Cong nghe - Moi Tnibng va Bo mon Moi trufrng va phat trien ben virng da giang day va trang bi cho em nhung kien thuc co so va chuyen mon suot nhimg nam hoc d truong Nhung kien thiic dupe hoc da giup em rat nhieu viec hoan tot luan van va se la tai san vo gia giup em virng buoc tren dudng tuong lai Em cung xin gdi ldi cam on chan thanli dSn c6 Tran Ngpc Chau, ngudi da tan tinh chi bao em suot thdi gian lam khoa luan Co da chi bao em rat nhieu ve kien thuc chuyen nganh, cung nhu da truyen dat rat nhieu kien thiic bo ich v^ kinh nghiem thuc t cho em dk co the hoan khoa luan tot nhat kha nang co th^ ciia em Cam on cac th^y c6 Khu thi nghiem truong Bai hoc An Giang da tao dieu kien dS em co th^ tifin hanh thi nghiem thu thap thong tin hoan khoa luan Em xin cam on Trung tarn Quan trie va Ky thuat Tai nguyen - Moi truong tinh An Giang da cung cip thong tin, s6 lieu co lien quan din de tai tCr em moi co the hoan tot khoa luan Minh gdi ldi cam on tdi nhung ngudi ban tot da ho trp minh viec tim kiim tai lieu, thong tin va trao ddi kiin thuc Cudi cung, xin kinh chuc moi ngudi siic khde va cdng viec tot TRlTONG DAI HOC AN GIANG KHOA KY THUAT - CONG NGHE - MOI TRlTCJNG Be tai: BANH GIA CHAT LLTONG Ntf6C SONG HAUKHU VtTC THANH PHO LONG XUYEN THEO CHI SO CHAT LLTCJNG NU*6c (^QI) NHAN XET CIJA GIANG VIEN Hl/CJNG DAN Sinh vien thuc hien de tai: Duang Thi Kim Anh Lai nhan xet cua giang vien hudng dan: LongXuyen, ngay4^r thang Q^ GVHD I Aam TRU^NG DAI HOC AN GIANG KHOA KY THUAT - CONG NGHE - MOI TRlTCJNG Bg tai: DANH GIA CHAT LlTONG NtfGC SONG HAU KHU VHC THANH PHO LONG XUYEN THEO CHI SO CHAT LlTGNG NlTGC (WQI) NH^N XET CUA GIANG VIEN PHAN BIEN Sinh vien thuc hien de tai: Duong Thi Kim Anh Ldi nhan xet cua giang vien phan bien: LongXuyen, ngay^thang ^"nam2013 GVPB TRtfONG D^I HQC AN GIANG KHOA KY THUAT - C6NG NGHE - MOJ TRl/ONG Be tai: BANH GIA CHAT LtTpNG NlTGC SONG HAU KHU VlTC THANH PHO LONG XUYEN THEO CHI SO CHAT LLfQNG NlTOC (WQI) NHAN XET CUA GIANG VIEN PHAN BIEN Sinh vien thirc hien de tai: DuoTig Thi Kim Anh Loi nhan xet cua giang vien phan bien: LongXuyen, !5" thing ^ nam 2013 GVPB TOM TAT Ciing vdi suphdt trien nhanh ve dan so thi chat lupng mc&c mat a song Hau ngdy cdnggidm sut Van de dat hien laphdi ddnh gid dupe chat lupng nude a hien tai de cd nhung bien phdp qudn ly phii hpp nham tri chat lupng nude mat on dinh dam bdo cho suphdt trien ben vicng tai ngicyen nude Be ddnh gid hien trang chat lupng moi trudng nude mat song Hau khu vice thdnh Long Xuyen, de tai sic dung chi so chat lupng moi trudng nude (WQI) cua Viet Nam (Quyit dinh 879/QB-TCMT) vd cua T6 chicc Ve sinh qudc gia Hoa Ky (NSF) Thong qua ddnh gid khd nang su dung phii hpp cua hai chi so WQI ddnh gid chdt lupng nude mat song Hau Kit qua gid tri NSF - WQI dao dpng khodng tic 45-57 tuomg duang vdi mice chdt lupng nude tie xdu din trung binh Vd gid tri WQI (Quyet dinh 879/QD TCMT) dao dpng tic 62 - 88, chdt lupng nudcphii hpp cho muc dich tudi tieu (mice III) vd cap nude sinh hoat nhicng can ede bien phdp xic ly phii hpp (mice TV) Vi tri S6 cd gid tri WQI chi dat mice III vd thdp nhdt cd hai dot khdo sat chiu dnh hudng cua nude thai cdng nghiep Tuy nhien, vi tri SI vdo thai diem trieu cu&ng cd chdt lupng nude dat mice IV vd mice III trieu kiet, day Id vi tri cd chdt lupng nude tot nhdt cd hai dot khdo sat Cd sic tuang ddng giica ede gid tri WQI hai each tinh ciing mot vi tri khdo sat Nhung chdt lupng nude ddnh gid theo thang diem ciia NSF — WQI thdp han WQI (Quyet dinh 879/QB-TCMT) Cdn cd them nhung nghien cicu ddnh gid su thay ddi chdt lupng nude mat giica ede miia (mica khd va mica mica); hudng ddng chdy khdc nhau; qua nhieu nam hay ede die bdo vi chdt lupng nude tuang lai di cd each nhin khdeh quan han ve chdt lupng nude mat song Hau khu vice thdnh Long Xuyen vd cd the dua ede bien phdp qudn ly chdt lupng nudcphii hpp cho hien tai vd tuang lai ABSTRACT The more population increase, the more water quality ofHau River decrease The question how to evaluate water quality in the moment to give some suitable methods maintain sustainable development of water resource The reseach applied the water quality index (WQI) of Vietnam (Decision 879/QDTCMT) and the Organization American National Sanitation (NSF) to assess the status of water quality of Hau River in Long Xuyen city Then we can assess appropriate application of the WQI in water quality ofHau River The calculation results showed that WQI values (NSF) were from 45 to 57 This was equivalent the water quality from bad to average And WQI values (Decision 879/QD-TCMT) was from 62 to 88, the water quality was suitable for irrigation (level III) and domestic water, but need treatment before using (the TV) In S6 the water quality was the lowest and WQI value was level HI because of it was influenced by industrial wastewater Both the highest and the lowest tidal, the water quality in SI was the best in the others There was similar to WQI (NSF) and WQI (Decision 879/QD-TCMT) values in the same collected position But the water quality was different When the water quality based on WQI (Decision 879/QB-TCMT) was better than WQI (NSF) In the future, we must have some researches such as assess to change the water quality in dry and rainy season, flow direction, etc MUC LUC TOM TAT.i ABSTRACTii MUC LUCiii DANH SACH BANGvi DANH SACH HINHvii DANH SACH CHU" VIET TATix Chirong 1: MO BAU1 Chirong 2: LlTOC KHAO TAI LIEU:2 2.1.T6ng quan vS Long Xuyen2 2.1.1.BiSu kien tu nhien2 2.1.2.Hien trang kinh te xa hoi5 2.2.Tai n guy en nude mat6 2.2.1 Khai niem vS nude mat6 2.2.2.Vai trd cua nguon nude doi vdi ddi song ngudi6 2.2.3.Cac nguon gay nhiem nguon nude8 2.3.Tong quan vl chi s6 chat luong nude (WQI - Water Quality Index) 2.3.1.Tong quan ve chi so moi trudng9 2.3.2.Chi s6 cMt luong moi trudng nude (Water Quality Index - WQI) 10 2.3.3.Chi sd chdt luqng moi trudng nude (WQI) d mot s6 qudc gia11 2.4.Tong quan ve tinh hinh nghien ciiu12 2.4.1.Cac nghien ciiu ngoai nude12 2.4.2.Cac nghien ciiu nude17 2.5.T6ng quan vS quan ly tai nguyen nude23 2.5.1.Quan ly tai nguyen nude23 2.5.2.Mot sd cong cu qu^n ly tai nguy^n nude23 2.5.3.Quan ly tong hop tai nguyen nude27 2.5.4.Co c^u to chiic quan ly tai nguyen nude27 iii 2.6 Diln M6n chat lugng nuoc mat song Hau nam 2010 - 201230 Chirong 3: PHU"O"NG TIEN VA PHlTONG PHAP NGHIEN ClTU37 3.1.Doi tirang nghien cihi37 3.2.Thol gian nghien ciru37 3.3.Muc ti^u nghien ciru37 3.4.Noi dung nghien ciru37 3.5.Phuwng tien va vat lieu nghien ciru 38 3.6.Phuung phap nghien ciru38 3.6.1.Phuang phap thu thap, phan tich va tong hop tai lieu38 3.6.2.Phuang phap khao satva dieutrathuc dia38 3.6.3.Phuang phap lay mau, phan tich chat lupng nuac38 3.6.4.Phuang phap tinh toan chi s6 chat hrong nuac43 3.6.5.Phuang phap tong hap, so sanh va danh gia so lieu49 Chuong 4: KET QUATHAO LUAN50 4.1.Danh gia Men trang chat liromg nuoc song Hau Long Xuyen vao mua kho nam 2013 thong qua QCVN 08:2008/BTNMT50 4.1.1.Gia tri pH50 4.1.2.Ham luong tdng chit rin la lung51 4.1.3.Nong oxy hoa tan52 4.1.4.Nhu cauoxy sinhhoc53 4.1.5.Nhu ciu oxy hoa hoc54 4.1.6.Nong amoni55 4.1.7.N6ngdpN-NO3"56 4.1.8.N6ng dp photphat57 4.1.9.Ham lupng coliform58 4.2.Danh gia Men trang chat lupng nude song Hau khu vuc Long Xuyen thong qua chi so chat lupng nuo'c (WQI)60 4.2.1 Danh gia Men trang chat lupng nude song Hau khu vuc Long Xuyen thong qua chi s6 chit lupng nude WQI theo To chtrc Ve sinh qu6c gia Hoa Ky (NSF - WQI)60 iv 4.2.2 Danh gia hien trang chit lucmg nude song Hu khu vuc ph6 Long Xuyen thong qua chi s6 chit hrqng nude WQI theo Quyit dinh 879/QD - TCMT63 4.3.So sanh hien trang chit luwng niro'c mat song Hau thong qua chi si WQI (NSF) - WQI (Quyet dinh 879/QD-TCMT) va danh gia kha nang ling dung phii hop cua hai chi so WQI danh gia chat luong nu'6'c mat song Hau66 4.3.1.So sanh hien trang chit lucmg nude mat song Hau thong qua chi s6 WQI (NSF) - WQI (Quy6t dinh 879/QD-TCMT)66 4.3.2.Danh gia kha nang ung dung phu hop ciia hai chi s6 WQI danh gia chat luqng nuac mat song Hau69 4.4.De xuat Men phap quan ly chat luong nude mat song Hau khu vuc phi Long Xuyen70 4.4.1.Giai phap phap ly70 4.4.2.Giii phap kinh ti70 4.4.3.Giai phap k^ thuat71 4.4.4.Giai phap giao due c6ng dong71 Chuo-ng 5: MET LUAN VA KIEN NGHI73 5.1.Kit Man73 5.2.Kiin nghi74 PHU LUC PHU LUC PHU LUC PHU LUC PHU LUC PHU LUC TAI LIEU THAM KHAO PHU LUC KET QUA PHAN TICH Miu sau liy (lucre phan tich tai Phong thi nghiSm Khu trang tarn Trucrag dai hoc An Giang Ket qua phan tich duac trinh bay bang PL4.1 Bang PL4.1: Ket qua phan tich QCVN SI S2 S3 S4 ss S6 S7 Al A2 - - 6,93 6- 6- •7,52 8,5 8,5 20 30 - - >5 >6 10 15 0,1 0,2 0,1 0,2 Nhietdd Dl 28 28 28 28 28 28 fC) D2 29 29- 29 " 29 29 •29 Dl 7,18 7,42 7,52 7,58 7,5 6,53 D2 7,53 7,57 7,54' 7,62 TSS (mg/I) Dl 15 22 18 25 22 22 20 D2 22 27 • 22 30' 24 27 30 Dd Sue Dl 17,22 30,78 49,76 2,31 21,29 89,09 55,19 (NTU) D2 56,54 54,74 "72,82 51,12 DO (mg/l) Dl 5,13 4,28 5,49 4,73 5,54 4,08 4,18 D2 4,68 4,53 4,83 4,78 4,38 ; 4,48 5,44" BOD; Dl 5 (mg/l) D2 '5 6, 5- COD Dl 13 21 16 21 (mg/I) 02 21 28 • 26 N-NH/ Dl 0,46 0,37 0,64 (mg/l) D2 0;8 0,74 P-POt Dl 0,13 0,26 0,14 0,27 (mg/l) B2 0,39 0,50^ N-NOi Dl 0,25 0,22 pH 7,46' 7,48 ; 123,44- 125,25 28 29." 80,95s 5 19 14 14 25 20 • 23 25 0,34 0,96 0,74 0,89 0,61 1,23 1,04 0,34 0,24 0,27 0,35' 0,35 • 0,38 0,28 0.49 0,31 0,25 0,51 0,22 0,10 '1,35 0,55 ' ã 08:2008 vii (mg/l) â2 0,32' 0,46" 0,34, "0,40 ^ Coliforms ©1 909 2772 1681 ©2 500' KPH •454 ' (MPN /100ml) 590 KPH.' 0,58 • 0,-29 0,18 590 772 636 '727 636 •818 ' 2500 5000 Glti chu: -Bl.datl -B2:dot2 - KPH: khongphathien viii PHU LUC KET QUA TINH TO AN WQI Phirong phap tinh WQI theo T6 chiic Ve sinh qu6c gia Hoa Ky BangPLS.l : Ket qua cdc thong so sic sung de tinh NSF WQI SI S2 S3 S4 S5 S6 S7 28 28 28 28 28 29 • • 29 29 6,53 6,93 7,46 ! 7,52 Nhiel ^d Botl 28 28 fQ B^t2 29 ,, -29 Botl 7,18 7,42 7,52 7,58 ,6 912 7,53 7,57 7;54 7,62 ' Boll 15 22 18 Bot2 • 22 •27 Bdauc Botl 17,22 30,78 49,76 ' (NTU) Bot2 56,54 54,74 72,82 DObSo i,ia Botl 66,42 55,42 (%) Bot2 61,75 Botl Bfft2 29 " 29 7,5 pH • 25 7,48 •• 22 22 20 27 30 TSS(mgA) • 22 ' ' 30 "••24 ; 2,31 21,29 89,09 55,19 51,12- 123,44' 125,'25 80;95 ; 71,08 61,24 71,73 52,83 54,12 59,77 63,73 63,07 • 57,79.- 59,11 71,78- , 5 4 '•' ' •4 0,441 0,812 5 • 5 •6 1,048 0,748 0,818 1,070 " 1,155 ' 0,849 1,495 1,112 2,236 0,983 0,430 2,555 l;302 0,790 •: BODS (mg/l) ' Botl 0,408 Bot2 1,189^ Botl 1,089 0,961 1,386 B^^t2 1,430 "2,046 , J,492_ POf (mg/l) 0,791 1,523 ' 1,076 NO/ (mg/l) '' 1,789 ' Dira vao phuong phap tinh da duoc trinh bay tai Chicong 3, phan 3.6.4 muc a, ta co: Tinh todn chi si chit litffttg nude vi triSl: "5t Tinh todn chi so phu cdc thong so: Can or vao thi Hinh 3.2 ta co cac chi so phu cua cac thong s6 tai vi tri SI nhusau: Bang PL5.2: Chi sdphu cdc thong sd ttfi vi tri SI Thong sd Nhiet PH Co TSS (mg/1) Do DObSohda BOD5 NO3" PO43+ (%) (mg/1) (mg/1) (mg/1) due (mg/1) Kit qua thi 28 7,18 15 17,22 66,42 1,089 0,408 12 92 83 64 69 61 96 70 0,1 0,11 0,07 0,08 0,17 0,11 nghiem Chi si phu m Trpng si (Id 0,1 '^ Tinh todn WQI: NSF WQI = = 12 x 0,1 + 92 x 0,11 + 83 x 0,07 + 64 x 0,08 + 69 x 0,17 + 61 x 0,11 + 96 x 0,1 + 70 x 0,1 = 57 Voi gia tri WQI = 57 thi ta co kSt luSn la ngu6n nude tai vi tri SI co chat lurong trung binh Tirong tir voi nhiing vi tri lai ta co ket qua duoc trinh bay cac bang sau: Bang PL5.3: Kit qua tinh todn NSF WQI dqt Trong Sl S2 S3 S4 55 56 S7 12 12 12 12 12 12 12 0,1 pH 92 93 92 92 93 73 86 0,11 TSS 83 84 84 84 84 84 84 0,07 64 52 39 92 60 22 36 0,08 BO 69 51 76 59 77 48 49 0,17 BOB5 61 56 51 61 56 56 56 • 0,11 NO3- 96 96 96 96 94 96 97 0,1 PO/- 70 47 66 46 39 48 46 0,1 57' 51 '55 56 55 ' 46 48 Nhiet CM Bo sd due sd phu WQI XI Bang PL5.4: Kit qua tinh todn NSF WQI dot SI S2 S3 S4 S5 S6 Trong S7 A so Nhiet 11 11 11 11 11 11 11 0,1 pH 93 92 92 92 93 93 92 0,11 TSS 84 84 84 85 84 84 85 0,07 35 36 28 38 5 25 0,08 DO 60 57 63 62 54 56 77 BOD5 61 56 56 61 56 56 51 0,11 NO3 96 95 96 95 92 96 96 0,1 PO43" 36 31 38 39 32 45 31 0,1 50 48 50 51 47 51 CM Do so due Phu WQI '45 0,17 xu Tinh toan WQI theo Quyit dinh 879/QD - TCMT Bang PL5.5: Kit qua cdc thong so sir sung de tinh WQI SI S2 S3 S4 SS S6 S7 Botl 28 28 28 28 28 28 28 Bfft2 29 29 ' 29 • 29 Botl 7,18 7,42 7,52 7,58 B^tZ 7,53 7,57 7,54 7,62 - Botl 15 22 18 B^t2 22 -27 " 22 ' Botl 17,22 30,78 Bot2, 56,54 54,74 72,82 • 51,12 Botl 66,42 55,42 71,08 61,24 B*2 61,75 59,77 63,73 Botl 5 Bat! Botl 13 21 B^2 21 28 " Botl 0,459 0,367 0,644 0,336 (mgd) Bot2 0,859 0,736 ^ 1,351 p-pof- Botl 0,133 0,258 0,144 Bot2 0,388 0,497 • 0,351 Botl 909 2112 1681 Bot2 500 KPH ,454 Nhletdp •' 29 \ ' '29 • 29 7,5 6,53 6,93 7,48 7,46 7,52 25 22 22 20 30 24 27 30 2,31 21,29 89,09 55,19 125,25 80,95 ' 71,73 52,83 54,12 63,07 57,79 59,11 71,78 5 •4 - 5 16 21 19 14 14 26 ,25 20 23 25 0,951 0,736 0,890 0,551 '• 0,613 1,228 1,044 0,265 0,342 0,244 0,267 ' 0,349 •0,377 0,277 0,488,- 590 772 636 , 727 636 -818 PH TSS (mg/l) Boituc (NTU) BO^ -49,76 ' 123,44 BOB; (mg/l) ' 6, COB (mg/l) N-NH4* (mg/l) Coliforms 590 • (MPN /100ml) ,.KPH : Dura vao phucmg phap tinh da diroc trinh bSy tai Chicomg 3, plidn 3.6.4 muc b ta co: Tinh todn chi sd ch&t luffne nw&c vi triSl: Tinh todn WQI cdc thong sd: BOD5, COD, N-NH/, P-PO43', due, TSS, tdng coliform WQIB0Ds = 100 = 65 l75-5o' (0,5 - 0,459) + 50 = 53,417 ioo - 751 02Q1 (0,2 - 0,133) + 75 = 91,75 P^+i - Cv) + I1+1 =(20 - 17,222) + 75 = 79,63 WQITSS = 100 WQIcoliform = 100 ^- Tinh todn WQI thong sd DO -Gia tri DO bao hoa: O^o hba = 14,652 - 0,410227 + 0,0079910T2 - 0,000077774T3 = 14,652 - 0,41022 x 28 + 0,0079910 x 282 - 0,000077774 x 283 = 7,72 -Gia tri DO % bao hoa: DO^ohba =* x 100 =^Hx 100 = 66,42 UUbao hba' >' ^ t^S)7^50^+ = 66' •^ Tinh todn WQI thong sdpH WQIpH = 100 ^ Tinh todn WQI xiv a=l 100 [66,42 + 100 + 65 + 53,417 + 91,75 79,63 + 100i1/3 = Tool5X2Xl0l = 88 ' ^r Kit luan Vdi gia tri WQI = 88 nen ta co k^t luan la ngudn nude tai vi tri Sled thl sit dung cho muc dich cSp nude sinh hoat nhung cln cac bien phap xu ly phu hop, the hien la xanh la cay Tucrng tu vdi nhiing vi tri lai ta cd ket qua dugc trinh bay cac bang sau: Bang PL5.6: Ket qua tinh todn WQI theo Quyet dinh 879/QD - TCMT dot WQI SI S2 S3 S4 55 56 S7 pH 100 100 100 100 100 100 100 DO 66,42 55,42 71,08 61,24 71,73 52,83 54,12 BOD5 100 87,5 87,5 100 87,5 87,5 87,5 COD 65 85 73,33 65 68,33 80 80 N-NH4+ 53,417 61,083 42,8 63,667 29,25 38,2 30,5 p-po33- 91,75 60,5 89 58,75 44,75 64 58,25 TSS loo 95 100 87,5 90 95 100 Do due 79,63 49,512 37,648 100 71,775 9,730 34,258 100 97,28 100 100 100 100 100 88 72 79 70 75 ' thong sd T6ng Coliform WQI 79 ' , 87- XV Bang PL5.7: Ket qua iinh todn WQI theo Quyit dinh 879/QD - TCMT dot WQI SI S2 55 S4 S5 56 S7 PH 100 100 100 100 100 100 100 DO 61,75 59,77 63,73 63,07 57,79 59,11 71,78 BOD5 100 87,5 75 100 87,5 87,5 75 COD 55 60 56,67 60 63,33 56,67 66,67 N-NH4+ 32,05 38,2 22,894 47,45 44,35 23,632 24,736 P-PO33 39 25,375 43,625 43,875 27,875 55,75 26,5 TSS 95 82,5 95 75 90 82,5 75 B6duc 33,413 34,538 22,744 36,8 1 16,24 100 100 100 100 100 100 100 ' 72 " 68 68 71 63, 62 62 don vi T6ng Collform WQI \, XVI TAI LIEU THAM KHAO Tai liSu nird'c: Chi cue th6ng ke ph6 Long Xuyen 2012 Men giam thong ke 2011 Dang Dinh Bach, Nguyen Van Hai 2006 Giao trinh hoa hoc moi trudng Ha Npi NXB Khoa hoc va Ky thuat Dang Kim Chi 1999 Hoa hoc moi trudng tap NXB Khoa hoc cong nghe Ha Npi Lam Minh Triit 1007 Ky thuat moi trudng NXB Dai hoc qudc gia TP.H6 Chi Minh Nguyln Thi Thu Thuy 1999 Xu ly nude cip sinh hoat va cong nghiep NXB Khoa hoc Ky thuat Ha Noi Nguyln Van Phudc, Nguyin Thi Van Ha 2006 Giao trinh Quan ly chit luong moi tnrong Ha Npi NXB Xay dung : Pham Ngpc Dung, Nguyen Due Quy, Nguyen Van Dung Giao trinh Quan ly ngu6n nuoc Ha Npi Truong Dai hoc Nong Nghiep I Pham Ngpc H6, Trinh Thi Thanh, D6ng Kim Loan 2006 Co so moi truong khong va nude Ha Npi NXB Dai hoc Qu6c gia Ha Npi QuySt dinh ban hanh Chuong trinh dlu tu phat trign kit ciu tang kinh ti - xa hoi ph6 Long Xuyen giai doan 2011 - 2015 2012 UBND ph6 Long Xuyen Tong cue moi truong, Trung tarn quan trac moi truong 2010 Phuong phap tinh toan chi s6 chit luong nuoc (WQI) Ha Npi Trinh Bich Lien 2011 Phan tich danh gia chit luong nude hd Thiin Quang, Ha Npi Trudng Dai hoc Khoa hoc tir nhien Trinh Quang Huy 2010 Giao trinh quan trie moi trudng NXB Nong nghiep Ha Npi Ton Thit Lang va cong su 2008 Xay dung chi so chat luong nude de danh gia va quan ly chit luong nude he thing song D6ng Nai Trudng Cao ding Tai nguyen va Moi trudng TP Ho Chi Minh Trin Van Nhan, Ngo Thi Nga 2006 Giao trinh Cong nghe xii ly nude thai NXB Khoa hoc Ky thuat Ha Npi Sd Tai nguyen va Moi trudng tinh An Giang 2010 Bao cao hien trang moi trudng tinh An Giang nam 2009 Sa Tai nguyen va Moi trudng tinh An Giang 2010 Bao cao hien trang moi trudng tinh An Giang nam 2010 So Tai nguyen va Moi trudng tinh An Giang 2011 Bao cao hien trang moi trudng tinh An Giang nam 2011 So Tai nguyen va Moi truong tinh An Giang 2012 Bao cao hien trang moi truong tinh An Giang nam 2012 Vo Thi Lanh 2010 Bao cao (hue tap cuoi khda Khao sat hru lupng, phu sa va hien trang moi truong nguon nude mat d luu vuc song Hau tinh An Giang Bai hoc An Giang Vu Thi Hong NghTa 2011.Nghien cuu quan ly chat luong nuoc song Cau tren dia ban tinh Thai Nguyen Truong Bai hoc Khoa hoc tu nhien Tai lieu nud"c ngoai: Ashok Lumb, Boug Halliwell and Tribeni Sharma 2006 Application of CCME water quality index to monitor water quality: A case of the Mackenzie river basin, Canada Environmental monitoring and assessment Chuong trinh Nude va Bat ngap nude, IUCN Khu vuc Chau A 2013 Quan tri nude — Nghien cuu hien trang tai Campuchia, Lao va Viet Nam - Chuong trinh B6i thoai nude khu vuc song MeKong Martin Wills and Kim N.Irvine 1996 Application of the national sanitation foundation water quality index in the Cazenivia Creek, NewYork, pilot watershed management project Middle States Geographer Olexiy Solohubenko.2012 Ngu6n nude phan b6 khong dgu tren thS gidi BBC News Engr Zaki Zainudin 2010 Benchmarking river water quality in Malaysia Jurutera ... chiso WQI T ^ Loai nguon nuac Kyhleu mau Chisd WQI Xanh dtrang < WQI < 10 Khong nhiim Lam < WQI < nhiem rat nhe Luc < WQI < nhiem nhe Vang < WQI < Onhilm trung binh Da cam 1