Western Cape Province State of Dams on 2011-02-14

Dam Levels 2011 02 14

# Means latest available data
FSC is full storage capacity in million cubic meters

Dam River FSC This Week Last Week Last Year
Berg River dam Berg River 127.1 77.3 80.2 95.8
Brandvlei Dam Lower Brandvlei River 284.3 52.9 54.8 61.9
Buffeljags Dam Buffeljags River 4.6 100 100.6 44.3
Bulshoek Dam Olifants River 4.9 83.8 87.6 77
Calitzdorp Dam Nels River 4.9 56.6 55.5 32.9
Clanwilliam Dam Olifants River 121.8 54.7 58.9 62.8
Duiwenhoks Dam Duiwenhoks River 6.2 99.1 99.8 24.5
Eikenhof Dam Palmiet River 28.9 67.1 70.2 63.4
Elandskloof Dam Elands River 11 40.8 44.5 57.9
Ernest Robertson Dam Groot Brak R 0.5 100.3 100.5 80.1
Floriskraal Dam Buffels River 50.3 23.7 10.1 64.5
Gamka Dam Gamka River 1.9 0 0 0
Gamkapoort Dam Gamka River 36.3 103.5 106.6 38.4
Garden Route Dam Swart River 10 100 100 26.5
Haarlem Dam Groot River 4.7 100.5 101.1 24.9
Hartebeestkuil Dam Hartenbos River 7.2 23.8 24.1 50.2
Kammanassie Dam Kammanassie River 34.4 6.8 6.8 12
Keerom Dam Nuy River 9.8 66.2 67.6 82.7
Klipberg Dam Konings River 2 33.2 34.7 69.7
Korentepoort Dam Korinte River 8.1 81.1 82.9 28.6
Kwaggaskloof Dam Doorn River 173.9 50.5 52.3 59.1
Lakenvallei Dam Sanddrifskloof River 10.3 86.2 86.8 94.8
Leeugamka Dam Leeu River 14.1 68 53.5 2.6
Miertjieskraal Dam Brand River 1.6 0 0.2 0
Misverstand Dam Berg River 6.5 102.3 101.9 101.7
Oukloof Dam Cordiers River 4.2 8.4 6.4 60.4
Pietersfontein Dam Pietersfontein River 2 65 65.5 87.4
Poortjieskloof Dam Groot River 9.8 44.5 44.4 69.7
Prinsrivier Dam Prins River 2.3 19.7 10.8 32.6
Roode Els Berg Dam Sanddrifskloof River 7.8 25.7 30.1 56.2
Steenbras Dam-Lower Steenbras River 33.9 43.5 41.5 63.4
Steenbras Dam-Upper Steenbras River 31.9 91.9 96.6 66.7
Stettynskloof Dam Holsloot River 14.8 66.1 70.8 64.2
Stompdrift Dam Olifants River 49.6 15.9 11.8 11.7
Theewaterskloof Dam Riviersonderend 480.2 66 68 80.1
Voelvlei Dam Voelvlei River 158.6 75.1 77.6 76.5
Wemmershoek Dam Wemmers River 58.8 81.3 83.1 69.5
Wolwedans Dam Groot Brak River 25.3 73.6 74.2 32.4

Beaufort West dam

In Beaufort-Wes is die dam kurkdroog.

TUINROETE NUUS – Wat reënval betref is George in 2010 slegter daaraan toe as in 2009, maar te danke aan die Eden- en George-munisipaliteite se proaktiewe optrede, is die watersituasie in die stad veel meer rooskleurig as verlede jaar.
Die rioolsuiweringsaanleg verskaf daagliks 10Ml water en die damvlak staan op ‘n gesonde 50%.

George word reeds vir vyf maande as ‘n groen dorp geklassifiseer wat beteken dat die Tuinroetedam vir ses maande plus water kan verskaf al sou dit nie ‘n druppel reën nie.
En dis ‘n goeie ding, want geen noemenswaardige reënbuie word vir die volgende drie maande voorspel nie, tradisioneel ons natste tyd.
Daar sal egter na verwagting eersdaags ‘n 10% verslapping in plaaslike waterbeperkings wees en mense sal weer hulle tuine met gieters kan natmaak.

Hoewel die situasie in George onder beheer is, lyk die watersekerheid vir die res van die Eden-streek beroerd.
Ten spyte van die goeie reën in Junie en Julie het die vloei van al die riviere in die streek drasties gedaal. As gevolg van die droogte is afloop ook minder, omdat die droë grond water vinnig opslurp.

In Mosselbaai word daar kliphard gespook om die ontsoutingsaanleg teen Februarie te voltooi en in Oudtshoorn is streng waterbeperkings en ‘n 50% tariefverhoging aangekondig.
In Beaufort-Wes is die dam kurkdroog en in Hessequa is die boorgatwater brak.

Die Le Grangedam in Kannaland se damwal is onstabiel en kan sodoende nooit genoeg opgaar nie.
Eden-rampbestuurder Gerhard Otto het verlede Vrydag ’n dringende vergadering met al die rolspelers in Ladismith bygewoon om oplossings vir die probleem te soek.

Otto sê die dorp is ekonomies erg afhanklik van die suiwelreus Parmalat, wat sy aanleg juis in die dorp gevestig het omdat hy verseker van water sou wees. Verstommend genoeg gebruik die mense steeds leiwater.
Volgens Otto laat die departement van waterwese tans vir Mosselbaai, George, Knysna, Bitou, Hessequa en Beaufort-Wes toe om slegs 60% van hul gerigistreerde water te gebruik.

“Hierdie beperkings gaan nou ook na Oudtshoorn en Kannaland uitgebrei word.
“In Mosselbaai word water van die Hartbeeskuildam vir verbruik gepomp, maar weens die klein uitlaat is die hoeveelheid maar beperk.”

Otto sê anders as Knysna en Mosselbaai kan Oudtshoorn en die ander binnelandse dorpe nie staatmaak op ontsoutingsaanlegte nie en sal daar baie kretief gedink moet word oor oplossings.
“Die boere in die Suid-Kaap kry baie swaar, maar die boere in die Wolwedansdam se opvangsgebied gee hulle volle samewerking. Sommige boere het selfs hulle eie meters ingesit het om te bewys hulle onttrek nie meer water as wat hulle mag nie.”

R50 miljoen is deur die rampfonds aangevra om boere in die Suid-Kaap van veevoer te voorsien en Otto is hoopvol dat die bedrag goedgekeur sal word.

Volgens gerugte is daar ook vir Mosselbaai ‘n taamlike groot rampfonds-meevallertjie op pad en as daar gekyk word na die weerpatrone van 2006 en 2007 wat nou weer kop uitsteek, is ‘n vloedjie of twee dalk ook in die lug.

Artikel: Ilse Schoonraad

Good progress is being made with the borehole project to augment the Mossel Bay Municipality’s water supply. The yield to date is three million litres of water a day.

Phase one of the project commenced in May 2010 and entailed the drilling of seventeen boreholes. A second phase, which involves the drilling of 21 boreholes at this stage, has commenced.  It is expected to be completed towards the end of November 2010.

Two of the boreholes, one with a recommended yield of 11 litres per second at Kleinbos near Friemersheim, and the second, with a recommended yield of 4 litres per second at the Dana Bay reservoir, have already been equipped and tied into the municipal water supply system.

Two more boreholes, another at Kleinbos, with a recommended yield of 6 litres per second, and the other, at the Barnyard, with a recommended yield of 10 litres per second are due to be commissioned soon.

PetroSA, which, together with the Municipality, is a major user of water from the Wolwedans Dam, contributed R10 million to the cost of the borehole programme. The estimated total cost is R12 million.

Water has been struck in a fifth borehole at Dana Bay. It had a blow yield of 10 litres per second but the water is brackish and may be of limited use.

The borehole project is one of several projects which the Municipality launched to ensure that Mossel Bay has enough water should its main source of water, the Wolwedans Dam, run empty. The dam was 15,7 per cent full at the beginning of the week and is expected to run empty within the next few months if it does not rain enough before then.

The other projects include the waste water reclamation project at Hartenbos that was commissioned at the end of June 2010 to supply five million litres of water a day to PetroSA’s synthetic fuels plant in exchange for an equal share from the company’s quota from the dam.

Another is the seawater desalination project, which is designed to produce 15 million litres of water a day, and is scheduled to be completed in February 2011. The Municipality will be entitled to 10 million litres of its daily production. PetroSA will be entitled to the rest as the company is a co-funder of the project.

The water from the Hartebeeskuil Dam is also brackish but can be purified to an acceptable quality at the Municipality’s water treatment works at Little Brak River. The project will be completed this week and will initially supply approximately three million litres of water a day. The water shortage has justified the cost of pumping water from this dam into the municipal water supply system.

Source – Mossel Bay Municipality

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A typical Rainwater Harvesting system, installed by Water Rhapsody.

Rainwater Harvesting is fast becoming a necessity to survival in some parts of South Africa.  It’s the best way of going green and being kind to the environment.   The Garden Route is currently going through the worst drought in 153 years, with heavy water restrictions imposed in Mosselbay.

Today it was confirmed that Beaufort West is experiencing its worst drought in over 100 years.  Water levels of the Gamka dam reached an all-time low of minus nine percent last week. The town now  rely on borehole water.

South Africa’s dams can no longer supply the volume of water required by ever growing population.  There is not a single river left in the Western Cape that can be dammed anymore.   We simply have no other options.

Water Conservation including Rainwater Harvesting and Greywater re-use, is the only long term sustainable solution to South Africa’s water crises. Continue reading »

Wolwedans Dam

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Water consumption in Mossel Bay, Garden Route, South Africa has dropped to its lowest level over the past three years in August 2010 when it averaged 12,75 million litres a day for the month compared to 31,9 million litres a day in August 2009 and 25,4 million litres a day in August 2008. The saving compared to last year is 60 per cent.

The situation, however, remains very serious and the level of the Wolwedans Dam stood at 16,8 per cent on Wednesday, 8 September 2010. Continue reading »

MOSSEL Bay’s water situation is “becoming bleaker by the day” and the municipality has called on residents to pray for rain every Wednesday at noon.

The Wolwedans Dam, the town’s main supply of drinkable water, dropped to 18,5% this week and is set to run out of water by January if there is no rain before then.  If the dam level dropped to 10% or less, the Water Affairs Department said, only the municipality would be able to extract water. PetroSA’s gas-to-liquids refinery also extracts from the dam. Continue reading »

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