Water Shortage A-Z: 10 May 2017 Sub-Council 20: Alphen Hall, Constantia

Current Situation

Dam Levels as at 10 May (updated weekly)

Dam levels by year

Cont. Graph Format

Provincial Distribution

Water Use by Sector Houses Flats & complexes Informal Settlements Category Percentage Houses 55.6% Flats & complexes 9.2% Informal Settlements 4.7% Retail and Offices 11.0% Industry 3.9% City owned facilities & CCT Departments 5.1% Other 10.5% TOTAL 100%  

Aggregate of dam levels over the past 5 years

Historical combined storage and drought periods

Rainfall distribution per dam in catchment: 01-07 May

Management of Drought Crisis

Current Short Term Drought Management Measures Water Restrictions: - Droughts are short term periods of very little rainfall that cannot be predicted, with consequent short term reduction in water supply - Water restrictions are required in dry years to ensure water demands can be substantially met from the reduced water supply system - Level 3b was a new level of water restriction created by Council in late January which came into effect from 01 February 2017 - Level 4 restrictions and tariffs are being finalized and will go to Council shortly Other Measures - Fines - Further reduction in distribution system pressures in certain areas (DMZ’s) Lowering bulk reservoir levels to reduce overall system pressure - Diving to excavate dam floors to attempt to use last 10% - Media awareness and sustained advertising campaign

Move from Level 3 to Level 3B Water Restrictions Watering/irrigation (with drinking water from municipal supply) of gardens, lawns, flower beds and other plants, vegetable gardens, sports fields, parks and other open spaces allowed only if using a bucket or watering can. No use of hosepipes or automatic sprinkler systems allowed. Watering times are not restricted, however, residents are urged to limit their watering to the mornings and evenings.   Watering/irrigation (with municipal drinking water) of flower beds, lawns, vegetables and other plants, sports fields, parks and other open spaces allowed only on Tuesdays and Saturdays before 09:00 or after 18:00 for a maximum of one hour per day per property and only if using a bucket or watering can. No use of hosepipes or any sprinkler systems allowed. No watering/irrigation within 24 hours of rainfall that provides adequate saturation. (Facilities/customers making use of boreholes, treated effluent water, spring water or wellpoints are not exempt.) No watering/irrigation within 48 hours of rainfall that provides adequate saturation. (Facilities/customers making use of boreholes, treated effluent water, spring water or wellpoints are not exempt.) Washing (using potable water) of vehicles and boats only allowed if using a bucket. No washing of vehicles or boats, including taxis at transport interchanges, using municipal drinking water. Vehicles and boats must be washed with non-potable water or washed at a commercial carwash. Further to the above, no more irrigation using potable water will be allowed at City facilities, and no increase of the indigent water allocation over and above the free 350L a day will be granted, unless through prior application and permission for specific events such as burial ceremonies Appointent Level 5/8’s Salary: R128 947 per annum x 116 = R14 957 852 Monthly Salary: R10 745 net How this will be made up: R1 200 000 from Sub-Council Catering Budget R300 000 from Portfolio Meeting Catering Budget R13 457 852 from Finance Once – Off Captial Set Up Costs R3 818 720 Finance to fund this

Use of Boreholes Due to the current severe drought (being experienced not just in the Western Cape, but in other wide-spread parts of the country as well) and low dams levels, residents are encouraged to shift to using alternative water sources, such as groundwater and greywater. National government is the custodian of water resources, and is responsible regulating and controlling/restricting use directly from the resource.   Residents are reminded that groundwater must be used in accordance with the requirements of the National Water Act, 1998, or any other relevant legislation.    We are also strongly urging residents to apply the same restrictions on use for piped-water to bore-holes to protect the water table. We cannot however, enforce this.

Disaster Declaration The Executive Mayor has declared a local Disaster in terms of S55 of the Disaster Management Act The declaration of a local disaster allows the City to implement emergency procurement procedures which may entail shorter bidding processes and in some cases direct purchases to speed up the delivery of goods and equipment in emergencies.    Extraordinary measures and arrangements for dealing with the crisis can be introduced, eg the release of all available resources of the Municipality to deal with the disaster, reprioritization of the budget, emergency procurement procedures and enacting of by-laws and emergency regulations to deal with the disaster at hand.

Medium to Long Term Shortage Mitigation Measures

Immediate Solutions until the rains arrive Immediate Measures - Emergency Supply Schemes & Lifeline Water Supply - Further reduction in distribution system pressures in certain areas (DMZ’s) - Lowering bulk reservoir levels to reduce overall system pressure - Diving to excavate dam floors to attempt to use last 10% - Media awareness and sustained advertising campaign Water Restrictions: - Water restrictions are required in dry years to ensure water demands can be substantially met from the reduced water supply system - Level 3b was a new level of water restriction created by Council in late January which came into effect from 01 February 2017 - Level 4 restrictions and tariffs are being finalized and will go to Council shortly

Medium to Long Term Plans

Pressure Valve Reduction (PVR) We have fast tracked our efforts to reducing leakage level by managing pressure more aggressively during off peak. Currently we have identified 22 existing PRV zones which we will conduct aggressive pressure management on over the next two months. To date 6 of the 22 listed PRV have undergone the first phase of optimisation with the second phase commenced on the 16th of January 2017. The first 6 pressure management zones have been listed below and have yielded a flow reduction of 350 m3/hr: ·        Retreat ·        Fisantekraal ·        Lavender Hill ·        Plumstead ·        Grassy Park ·        Masiphumelele The three zones which would have a large impact on the current consumption is the Mitchells Plain, Khayelitsha and Gugulethu Pressure Management Zones. Bulk water are also investigating the possibility of doing the same on the bulk mains.