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Table J23: Types of gauging stations/points maintained by the Depanment of Water
Affairs and Forestry Icontinuedl.
Type Example of number
ROl V3H021 - ROl
(indicates a water quality sampling point for raw water
only, for example, at a water purification works)
501 V3H021 - 501
{indicates a water quality sampling point for treated water
only, for instance, at a water purification works!
UOl None in Natal/KwaZulu
(indicates a slope survey section with respect to floods)
VOl U8HOOl - VOl
(indicates a velocity measurement section, measured using
current meters!
WOl U4H005 - WOl
(indicates float velocity measurements using floats!
ZOl V1R002 - ZOl
(indicates combined flow data for several stations/points)
Source: Ii! After Zietsman, D.P. and Schutte, J.M., 1981. The availability of
quantitative and qualitative hydrological data, In: Hattingh, W.H.J.
led), Water Year + 10 and Then?, Technical Report No. TR 114,
Department of Water Affairs, Forestry and Environmental
Conservation, Pretoria, p. 156 - 217.
liil After the Department of Water Affairs and Forestry, Durban, 1993.
See also: Iil Lotriet, H.H. and Rooseboom, A., 1995. River discharge
measurement in South African rivers: the development of improved
measuring techniques, WRC Report No. 442/2/95, Water Research
Commission, Pretoria, various pages.
(iil McDonald, R.D., 1989. Nuwe nommers vir meetstasies, meetpunte
en stelsels sowel as vir data en inligting, Technical Report No.
TR 141, Department of Water Affairs, Pretoria, 43 p. + app.
liiil Rossouw, J., Rooseboom, A. and Wessels, P., 1995. Laboratory
calibration ofcompound sharp-crested and crump weirs, WRC Report
No. 442/1/95, Water Research Commission, Pretoria, 53 p. + app.
Iivl Van Heerden, J.J., Van der Spuy, D. and Le Roux, P.J., 1986.
Manual for the planning, design and operation of river gauging
stations, Technical Report No. TR 126, Department of Water Affairs,
Pretoria, 153 p. + app.