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81 Station closed Station closed U2H008 - U2H010 V3HOll U2H015 V3H02l U2H038 - U2H040 V3H025 U2H044 - U2H046 V3H030 U2H050 - U2H052 V3H032 U3 V5 U3HOOl - U3HOO2 V5HOOl U3HOO4 V6 U4 V6HOOl U4HOOl V6HOO5 U4H003 - U4HOO8 V6HOO7 U6 V7 U6HOOl U6H004 - U6HOO6 U7 V7HOOl - V7HOO2 V7HOO5 - V7HOO6 V7H008 - V7HOO9 U7H002 - U7HOO6 V7H013 - V7H015 U7H010 - U7HOll US W1 U8H002 - U8HOO3 V1 V7H024 V1HOOl W1H014 W1HOOl - W1HOO3 W1H007 - W1H010 V1HOO4 - Wl H018 - Wl H022 V1HOll - V1H014 V1H016 - V1H019 W2 V1H027 V1H029 - V1H030 WlH024 - Wl H027 W2HOOl - W2HOO4 W2HOO8 V1H032 . W2H010 V1H034 V1H036 W2H012 W2H02l Illl_fllSIIII V1H048 W2H023 . V1H050 W2H026 - W2H027
IflBlIEilllllll 82 Station closed Station closed V1H052 - V1H053 W3 V1H055 - V1H056 W3H001 - W3H002 V1H059 W3H010 - W3H013 V1H063 W3H016 - W3H018 V2 W4 V2HOO1 W4H001 - W4H002 V2H003 W4H007 - W4H008 V2H008 W4H010 (iii) Three stations were opened after 1990, as indicated. Station opened Co-ordinates latitude longitude S E U2 Slangspruit at 29°38' 30°21 ' U2H057 Pietermaritzburg (Umgeni Water station 15/6/1992) U4 Mvoti River at Melville 29°23' 31 °15' U4H009 (2712119921 W2 Pipeline from Klipfontein 30°47' 21°21' W2H031 Dam (1/3/1993) (iv) The following secondary drainage region codes apply to the stations listed in Table J24:
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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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Page 32 and 33:
Page 34 and 35: 31 Table J10: Areas. mean annual pr
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 82 and 83: 79 Table J24: Depanment of Water Af
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
Page 133: 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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