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79 Table J24: Depanment of Water Affairs and Forestry flow gauging stations in NatallKwaZulu, 1993 (south to north) (continued). Department of Water Affairs Site and place name Co-ordinates and Forestry station number latitude S longitude E T5R002 Singisi Dam (Singisi River) 30°15' 29°31' U2R001 Midmar Dam (Mgeni River) 29°29' 30°12' U2R002 Nagle Dam (Mgeni River) 29°35' 30°37' U2R003 Albert Falls Dam (Mgeni River) 29°25' 30°25' U2R004 Inanda Dam (Mgeni River) 29°42' 30°52' U2ROO5 Henley Dam (Msunduze River) 29°37' 30°14' U3ROO1 Hazelmere Dam (Mdloti River) 29°36' 31 °02' U6R001 Shongweni Dam (Mlazi River) 29°51' 30°43' U7R001 Umgababa Dam (Umgababa River) 30°08' 30°48' U7R002 Nungwane Dam (Nungwana River) 30°00' 30°44' U8R001 Mzinto Dam (Mzinto River) 30°18' 30°35' V1R001 Spioenkop Dam (Tugela River) 28°40' 29°31' V1R002 Driel Barrage (Tugela River) 28°45' 29°17' V1R003 Woodstock Dam (Tugela River) 28°45' 29°14' V1R004 Kilburn Dam (Mnjaneni River) 28°35' 29°06' V2R001 Craigieburn Dam (Mnyamvubu River) 29°09' 30°17' V3R001 Chelmsford Dam (Ngagane River) 27°57' 29°56' V3R002· Amcor Dam (Ncandu River) 27°44' 29°59' V3R003 zaaihoek Dam (Slang River) 27°26' 30°03' V7R001 Wagendrift Dam (Bushmans River) 29°02' 29°51' W1R001 Goedertrouw Dam (Mhlatuze River) 28°46' 31 °28' W1R002 Eshowe Dam (Mlalazi River) 28°52' 31 °27' W1ROO3 Lake Nsezi 28°45' 31 °57' W1ROO4 Lake Mzingazi 28°46' 32°04' W2ROO1 Klipfontein Dam (White Mfolozi River) 27°50' 30°47' W3R001 Hluhluwe Dam (Hluhluwe River) 28°07' 32°10' W3R002 Lake St Lucia 27°58' 32°23' W4ROO1 Pongolapoort IJozini) Dam (Pongola River) 27°25' 32°04'
80 Table J24: Department of Water Affairs and Forestry flow gauging stations in Natal/KwaZulu, 1993 (south to northl (continuedl. Department of Site and place name Co-ordinates Water Affairs and Forestry latitude longitude station number S E W7AOO1 Lake Sibayi 27°25' 32°41' W7AOO2 Lake Mgobezeleni 27°32' 32°39' W7AOO3 Kosi Lake (Kuhlange) at Maklangula jetty 26°57' 32°49' W7AOO4 Lake Makhawulani (middle of Kosi Lake) at 26°55' 32°51' KwaMazambane Source: (il After Anonymous, 1990. List of hydrological gauging stations July 1990, VOL 1: gauging stations in flowing water, Hydrological Information Publication No. 15, Directorate of Hydrology, Department of Water Affairs, Pretoria, 443 p. (iil After Anonymous, 1990. List of hydrological gauging stations July 1990, VOL 2, Part 1: gauging stations in stored/standing water, 177 p., and Part 2: meteorological stations, 153 p., Hydrological Information Publication No. 15, Directorate of Hydrology, Department of Water Affairs, Pretoria. (iiil After the Department of Water Affairs and Forestry, Durban, 1993. Note: (il Only the primary installation at a given site is listed. Readers requiring older data are referred to publications outlined elsewhere in this chapter. T5 (iil The following stations were closed at various times (up to and including 19931. Specific dates of closure for each station can be obtained from the Department of Water Affairs and Forestry, P 0 Box 1018, Durban, 4000, or Private Bag X313, Pretoria, 0001. See also, Source (il above. Station closed Station closed T5HOO6 V2H013 Ul U1H001 - U1HOO4 V3 U1HOO7 U2 V2H010 - V2H011 V2H017 - V2H018 V3HOO1 U2HOO1 - U2HOO4 V3HOO8 V3H003 - V3HOO6
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A WATER RESOURCES AND SANITATION SY
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Contents 1 11111111111:1&11 CHAPTER
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lillllllllllll.'. Tables (continued
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11111111];11,,11. 10.1 Introduction
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Table J2: Water budgets for Natal/K
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Table J4: Overall gradient distribu
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13 111.IJJ1111111 (when runoff: rai
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Table J7: 15 Hi) A small part of Kw
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17 1\11••111;[11. Table J7: App
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19 TableJ8: Hydrological Research U
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21 11111••111111111 TableJ9: Cr
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23 Table J10: Areas. mean annual pr
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25 1111III1I11,rllll Table J10: Are
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27 Table J10: Areas. mean annual pr
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Page 40: 37 Table J10: Areas. mean annual pr
Page 43 and 44: IlfllllllllllJJilll 40 Table J12: K
Page 45 and 46: 10.6 Runoff models 42 Models are no
Page 47: 111I111'llll1JII 10.9 The variabili
Page 52 and 53: 49 lil11l1tllll;lllll Table J20: Es
Page 54 and 55: 51 Table J20: Estimated annual wate
Page 56 and 57: 53 Table J22: Estimated annual wate
Page 58 and 59: 55 Ijlllltl1llflll (ii) Considerabl
Page 60 and 61: 57 large catchments data. The Centr
Page 62 and 63: 59 1111111111111' KwaDlangezwa, 283
Page 64 and 65: Other reports 61 Research Unit, Dep
Page 66 and 67: 63 1IIIIIE1111Elfl Id} The rest of
Page 68 and 69: 65 Table J24: Department of Water A
Page 84 and 85: 81 Station closed Station closed U2
Page 86 and 87: 83 Station Drainage region Station
Page 88 and 89: 85 Table J25: Number of stations wi
Page 90 and 91: 87 iI11J111!!ltllllil equal share i
Page 92: 89 Source: liI After Anonymous, 198
Page 95: 111111111111111 92 boards (discusse
Page 98 and 99: Table J28: Some relevant data on se
Page 101 and 102: IDIIIIIDII':1111 98 (ii) The co-ord
Page 103 and 104: 100 the respective departments at P
Page 105 and 106: 1IIIIIIJIII.i1 102 Table J31: Categ
Page 107 and 108: 104 10.16.2 Environmental impacts o
Page 109 and 110: Table J32: 106 A simplified form of
Page 111 and 112: 1111111111111 108 Table J33: Action
Page 113 and 114: 110 There is a growing South Africa
Page 115 and 116: 112 Attention has also been focused
Page 117 and 118: 114 10.17 Some legal aspects of wat
Page 119 and 120: 116 time (mean exceedance flow), du
Page 121 and 122: IIII.IIWIIIII 118 10.17.4 Use of wa
Page 123 and 124: 1[lIlIIIIIIJ. 120 Government dams,
Page 125 and 126: 10.18.4 River diversions 122 Depart
Page 127 and 128: 124 10.18.6 Irrigation districts an
Page 129 and 130: 111(11111:41m'l 126 Table J36: Irri
Page 131 and 132: Table J37: Irrigation boards in Nat
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Tabla J37: Irrigation boards In Nat
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133 Table J38: Some urban areas in
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135 Table J38: Some urban areas in
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Table J38: 137 Some urban areas in
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139 Source: (i) After Ardington, E.
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141 i111_1illll1l noted above!. are
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143 (ii) The Directorate of Land an
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145 1111111111111 the Board will as
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147 Table J40: Administrative regio
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149 111II1.llllIf:J Government Noti
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151 111I.lIllllil1 Government agenc
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153 Table J43: Joint Services Board
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156 Source: (i) After Jenkin, F. (e
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158 Chief Directorate: Administrati
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Source: See also: Note: 160 Afterth
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162 off low - responsible inter ali
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11111.'.111:11111 164 If it became
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tlll••••I:IB11 NOTES: 166
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Contents 167 CHAPTER 11: GROUNDWATE
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Tables 169 Table K1: Some geologica
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174 Bate, 1992}*. The use of water
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176 X313, Pretoria, 0001; as well a
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179 a particular site, then a stati
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181 111...1[111 of streams and rive
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183 good. with a total dissolved so
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(iii) Holocene sands lQuaternary) 1
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187 Table K1: Some geological forma
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189 fault-bounded blocks, although
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191 11.6.4 Aquifer characteristics
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193 coarse and the latter, fine and
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195 111.BIII!I!111 The yields of bo
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11...,].11 198 11.7 Methods of grou
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201 11...11111 Table K3: Methods of
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203 boreholes are drilled for both
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205 1111111111'.1 3838. The borehol
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207 11.11 Standards applicable to t
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(a) Gravity springs 209 Gravity spr
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Table K4: Spring discharge in the V
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214 Table K5: The number of ephemer
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JJI...lllJll 218 (h) Some of the wa
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i'•••liDl Group E: Pure water
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222 Bond, Van Wyk proposed the foll
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1[11....11.,1 224 (b) Chlorides are
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226 Source: Edwards, T.J., 1989. Pe
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228 also obtainable from the Ground
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Ill1••lll1l 230 • Hofkes, EH.
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232 • Vegter, J.R., 1995. Groundw
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234 • Meyer, R. and Godfrey, l.,
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Springs 236 • Africa Co-operative
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NOTES: 238
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239 CHAPTER 12: WATER SUPPLY PLANNI
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12.1 Introduction 241 111'1&111111
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243 rilliltl.'ll water consumption
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Table L2: Cattle 245 study of reduc
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Note: (j) (ii) (iii) 247 Animal wat
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249 111111:llllltJI Source: After A
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1111111118.1 252 Table L4: Some per
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lillll.'.II' 254 high income. Iow d
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* 256 to obtain. Difficulties inclu
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1111...11 (iii) 258 Home Glasson Pa
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260 Table L6: Some typical domestic
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* ** 262 are in agreement with cons
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Table L7: Some South African indust
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Table L7: 267 Some South African In
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Table L7: 269 Some South African in
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Table L7: 271 Some South African In
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Note: (i) (ii) (iii) (iv) (v) (vi)
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276 concentrate on the provision of
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278 Table L8: RSA-KwaZulu Developme
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Table L9: 281 RSA-KwaZulu Developme
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Table L9: 283 RSA-KwaZulu Developme
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286 the Green book, namely, Anonymo
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IIIRlmlllillS 12.4.2 Durban Metro W
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291 design phase of projects. Any a
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294 Table L12: Some extant water wh
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11111111111911 296 • Energy Resea
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299 11111111111111 Table l13: Speci
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301 Table L13: Specific training ag
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304 Road and Umlazi (Durban); Pinet
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307 Table L14: A spatial typology o
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310 Table L15: A typology of social
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1111111..11 312 Table L15: A typolo
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315 114,[llll1\'1 Table L16: Some s
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317 Table L18: Mean household size
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319 Illil;JJtllllll Table L19: Exis
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321 Table L19: Existing housing del
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323 1IIIi!:lil.'11 a month, and a s
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NOTES: 325
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