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Water quality<h2 class="sectHeading">​​​​​​​​​​​​​​Water quality checks</h2><p>We fully support and comply with strict water quality checks as prescribed by the national government’s Department of Water and Sanitation (DWS)<i class="icon link-external"></i>. This rigorous process means that water quality is closely monitored via a large number of water samples analysed according to the stringent South African National Standards (SANS 241:2015) requirements. Read this page to find out more about the quality of Cape Town’s water, and the processes we use to ensure water quality.</p><p>To ensure the excellent quality of our water, our laboratory tests over 5 700 samples of water each year. We draw water from sampling points throughout the water system, and we test these samples on a weekly or bi-weekly basis.</p><p> <strong>Our water samples are taken from:</strong></p><ul><li>raw water (from dams and boreholes);</li><li>water after it has been treated at the treatment plants;</li><li>water from reservoirs; and</li><li>water from pipework (taken from designated sampling points around Cape Town).</li></ul> <span> <h2 class="sectHeading">​​​​​​​​​​Water quality table</h2></span> <p>Our weekly checks of water samples allow us to measure our compliance with SANS 241 water quality requirements. Our water compliance has consistently exceeded our own internal targets. </p><p> <strong>The table below shows the percentage compliance achieved for Cape Town’s drinking water:</strong><br> </p><table> <caption></caption> <thead><tr><th rowspan="1" colspan="7">Drinking water quality in Cape Town - percentage summary ​ ​ ​ ​ ​ ​​<br></th></tr><tr><th></th><th>2013 - 2014</th><th colspan="1">2014 - 2015​</th><th colspan="1">2015 - 2016​</th><th colspan="1">2016 - 2017​</th><th rowspan="1" colspan="1">2017 - 2018</th><th rowspan="1" colspan="1">2018 - 2019​</th></tr></thead><tbody><tr><th rowspan="1" colspan="1">Quarter 1</th><td>99.1</td><td colspan="1">100.0</td><td colspan="1">99.8</td><td colspan="1">​99.6</td><td>99.6<br></td><td colspan="1">​99.1 <br></td></tr><tr><th rowspan="1" colspan="1">Quarter 2</th><td>99.1</td><td colspan="1">​99.8</td><td colspan="1">​99.7</td><td colspan="1">​99.7</td><td>99.4</td><td colspan="1">​99.0<br></td></tr><tr><th rowspan="1" colspan="1">Quarter 3</th><td>99.0</td><td colspan="1">​99.8</td><td colspan="1">​99.7</td><td colspan="1">​99.7</td><td>99.3</td><td colspan="1">​99.0<br></td></tr><tr><th rowspan="1" colspan="1">​Quarter 4 </th><td rowspan="1">​99.8</td><td rowspan="1" colspan="1">​99.8</td><td rowspan="1" colspan="1">​99.7</td><td rowspan="1" colspan="1">​99.7</td><td rowspan="1">​99.1</td><td rowspan="1" colspan="1">​99.1<br></td></tr></tbody></table> <br> <p>To see the latest water quality test results, view our water analysis report in English and Afrikaans. We update this report quarterly (March, June, September, December), and it is available two months after the end of each quarter.</p><p> Water Quality Analysis Report 1 July - 31 December 2019 ( <a href="https://resource.capetown.gov.za/documentcentre/Documents/City%20research%20reports%20and%20review/Water_Quality_Analysis_Report_Jul19_Dec19_English.pdf" target="_blank">English</a> | <a href="https://resource.capetown.gov.za/documentcentre/Documents/City%20research%20reports%20and%20review/Water_Quality_Analysis_Report__Jul19_Dec19_Afrikaans.pdf" target="_blank">Afrikaans</a>)</p> <span> <h2 class="sectHeading">​​​​​​​​​​How we ensure water quality​​​​​​​</h2></span> <p>We use our Quality Management System to ensure the high water quality of domestic and industrial water supplies, and to ensure that our rivers, public amenities, and environment remain unpolluted. Our Quality Management System covers three Scientific Services laboratories: the Water, Analytical and Biological Sciences Laboratories. </p> <span> <div class="notification with-heading white-copy blue bg-navy"><div class="graphic no-border">​ <i class="info wellrun">​​​</i> </div><div class="desc"><h4>Did you know?</h4><p> <b>A Well-run City:</b> The City has been awarded many Blue Drop Certificates by the Department of Water and Sanitation (DWS) for its water quality and water quality management systems. Cape Town also received the Platinum Blue Drop Award for its consistent excellent performance over a number of years. </p></div></div></span> <p>Find out more about how we go about our testing and quality assurance in our handbook below: </p><p> <a href="https://resource.capetown.gov.za/documentcentre/Documents/Graphics%20and%20educational%20material/Water%20quality%20-%20assurance%20through%20testing%20.pdf.pdf" target="_blank">Water Quality: Assurance Through Testing Handbook​</a>​​​​​</p>GP0|#17dde936-00f2-43db-bbf5-d064edf7eefa;L0|#017dde936-00f2-43db-bbf5-d064edf7eefa|Water quality;GTSet|#ef3a64a2-d764-44bc-9d69-3a63d3fadea1;GPP|#b7d85630-8bda-4b28-adc9-6def4cb10e31;GPP|#a3964d56-b74d-4d64-95c1-ff381a88a277;GPP|#245ec7aa-a528-4cd3-bcac-597c292db711;GP0|#d5967b1b-26a1-43a3-bd05-5f296f510aef;L0|#0d5967b1b-26a1-43a3-bd05-5f296f510aef|Water quality;GPP|#dc7d603c-ae6b-49eb-8ff7-8f48e6169510;GPP|#99fac000-f3ac-4774-9ffd-e5e59a130e21;GPP|#e88ff549-973f-4e3c-a46c-cfbe61bd6a24Learn about Cape Town’s water quality, and the methods we use to check and ensure water quality.

 

 

Water Analysis Report July 2016 - 30 June 2017 (Afrikaans)214219GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2016-07-01T10:00:00Z
Water Analysis Report July 2016 - 30 June 2017 (English)207291GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2016-07-01T10:00:00Z
Water Quality Analysis Report 1 July 2015 - 30 June 2016175597GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2016-06-29T22:00:00Z
Water Quality Analysis Report 1 July 2017 - 30 June 2018 (Afrikaans)214973GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2017-06-30T22:00:00Z
Water Quality Analysis Report 1 July 2017 - 30 June 2018 (English)207762GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2017-06-30T22:00:00Z
Water Quality Analysis Report 1 July 2019 - 31 December 2019 (Afrikaans)212512GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2019-06-30T22:00:00Z
Water Quality Analysis Report 1 July 2019 - 31 December 2019 (English)234012GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2019-06-30T22:00:00Z
Water Quality Analysis Report July 2018 - June 2019 (Afrikaans)218801GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2019-07-30T22:00:00Z
Water Quality Analysis Report July 2018 - June 2019 (English)234075GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2019-07-30T22:00:00Z
Water Quality Analysis Report July 2019 - June 2020 (Afrikaans)207576GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2020-06-29T22:00:00Z
Water Quality Analysis Report July 2019 - June 2020 (English)211946GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2020-06-29T22:00:00Z
Water Quality Analysis Report July 2020 - June 2021 (Afrikaans)139791GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2021-10-24T10:00:00Z
Water Quality Analysis Report July 2020 - June 2021 (English)62744GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2021-10-23T22:00:00Z
Water Quality Analysis Report July 2020 - June 2021 (isiXhosa)59964GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2021-10-24T10:00:00Z
Water Quality Analysis Report June 2013 – May 2014 (English)167512GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2013-05-31T22:00:00Z
Water Quality Analysis Report June 2014-May 2015 (Afrikaans)212005GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2015-05-30T22:00:00Z
Water Quality Analysis Report June 2014-May 2015 (English)200691GP0|#83069cc2-4cc3-46b3-b49a-980fa268cd0e;L0|#083069cc2-4cc3-46b3-b49a-980fa268cd0e|Analysis report;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#74dbb0ce-0b0a-42e0-958b-10ee25e7fefd;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2015-05-30T22:00:00Z
Water Quality: Assurance Through Testing Handbook823242GP0|#dcc8214b-489e-4c99-a7e9-6bc8bda6e154;L0|#0dcc8214b-489e-4c99-a7e9-6bc8bda6e154|Handbook;GTSet|#f1e8889f-f7d7-4d5b-a3f5-af0ca2e076ea;GPP|#d8892104-ce90-493e-b813-93c488f4b1d3;GPP|#0972c695-fd19-46c4-ab5d-9601f17b780e2015-12-31T22:00:00Z

 

 

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