Cape Town’s rivers are open streams of sewage, yet the City is not spending its budget
Water in the Black River is as dirty as untreated sewage
Some of Cape Town’s rivers and canals are so polluted they are essentially open streams of sewage, and although the City of Cape Town is aware of this, the water and waste directorate has vastly underspent its budget for the past two financial years.
Participants in the annual Peninsula Paddle, an event organised by scientists and environmentalists to paddle the interlinked waterways from Muizenberg to Paarden Eiland, were taken aback by the state of the rivers when they kayaked on 8 September.
The plastic waste was the worst they had seen in ten years of the event, said Dr Kevin Winter of UCT’s Future Water Institute, who helps coordinate the Peninsula Paddle.
The worst affected waterways were the Steenberg Canal and the Black River, which flows past Observatory and northwards along the M5, to exit to sea at Paarden Eiland.
The Steenberg canal was filled not only with plastic trash, but dead dogs and cats, and electronic goods. And in the Black River, the paddlers were surprised by a floating island of plastic trapped by hyacinth. Water samples taken in the Black River for E.coli – a microbiological indicator species – revealed colony forming unit (cfu) counts of up to, and in places over, a million per 100ml. According to national guidelines for intermediate contact with water (such as kayaking) anything over 4,000 cfu per 100ml is unacceptable. Winter said counts of a million are consistent with untreated sewage.
The pollution the paddlers found in the Black River was in spite of a citizen-led mass cleanup of the river in May this year.
“As paddlers we shouldn’t even have been on the water,” Winter said.
There are an average of 400 sewage spills in the city daily, according to reports tabled in the City’s Water and Waste Portfolio Committee meeting on 5 September. Unless contained, these drain into waterways.
Yet the water and sanitation department has vastly underspent its capital expenditure budget for the past two financial years.
Reports tabled in the Committee meeting note that only R1.5bn out of a water and sanitation department capital expenditure budget of R2.3bn had been spent in the 2018-19 financial year ending 30 June. That is only 64.5% of the budget.
In the previous financial year, only 55% of the capital expenditure budget was spent.
And spending does not seem to have improved so far this financial year. In July, the first month of the 2019-20 financial year, only R7.1m of the capital expenditure allocation of R36.6m for that month had been spent. Expenditure figures for August were not presented. The department believes expenditure will increase to reach the 90% spend target over the next 11 months.
Only 10.1km of sewer mains were replaced in the 2018/19 financial year. The target was 23.6km.
The maintenance and replacement of the sewerage network is sorely needed. The committee reports note there are 7,000 to 12,000 sewage spills across the metro every month.
Work on replacing water mains went better, with the department replacing 15.9km of piping out of a target of 20.5km.
The solid waste department’s operating budget — which could be used for cleaning the waterways — was also being underspent, with just R181m or 67.5% of the July allotment of R268.2m having being spent.
The department noted there were 1,067 vacancies out of a staff establishment of 8,366.
Reasons for underspending given by the water and sanitation department over the past financial year include
slower than anticipated progress for groundwater exploration due to delays such as not getting access to properties;
delays caused by suppliers;
delays in awarding tenders due to lack of responses and appeals against awarded tenders; and
delays in land acquisitions, obtaining approvals, as well as contractor performance.
Inland water quality results were also discussed in the portfolio committee meeting, and although full reports and data sets were not provided, results presented reveal that over half, or 55.5%, of the City’s inland waterways are polluted to the point that intermediate contact with the water is a risk, with 40% of them labelled as “unacceptable risk”. Of the inland water bodies, 21% are at the most extreme pollution category provided in the national water quality guidelines, which is “category 3”.
The data presented reveals that the City is well aware that samples from the Black River show more than 100,000 E.coli cfu per 100ml, which places the river in “category 3”.
This means there are “chronic ongoing or extreme pollution incidents”, that “urgent management intervention to trace the source of the contamination is necessary”, and that extra funding is likely to be required.
The other “category 3” polluted waterways are the Khayelitsha stormwater system and the Big and Little Lotus Rivers.
Although the City has water quality data updated monthly for inland water bodies and fortnightly for coastal waters, it does not tell the public the results of the water quality tests. No results have been presented at subcouncil meetings since 2013 and the last data set available to the public is from 2016. A promised new report showing the results of the water quality tests across the metro has been delayed for almost a year, with no reason given other than the report has to proceed through council.
In response to questions sent on Wednesday morning, the City told GroundUp it would not be able to meet a 5pm deadline. City comment will be added when it is received.
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