Borehole and water filtration quotes in Cape Town
Cape Town’s relationship with groundwater changed during the 2015–2018 drought, when the prospect of “Day Zero” pushed many households and businesses to drill. The metro sits above three aquifers the City itself names: the sandy Cape Flats Aquifer between False Bay, Brackenfell and Milnerton, the Atlantis Aquifer on the West Coast, and the far larger Table Mountain Group fractured-rock system. Which one lies under a property shapes depth, yield and water chemistry. The City also regulates private boreholes closely, from written notice before drilling to registration, metering and signage afterwards.
Local considerations installers weigh here: Whether the stand sits on Cape Flats sand or fractured Table Mountain Group rock; the City’s 14-day written notice before drilling and registration afterwards; metering and records kept for inspection; no interconnection with municipal-fed plumbing; rig access on narrow or sloping suburban erven; neighbouring boreholes drawing on the same aquifer; a lab test before any thought of household use.
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George · Constantia · Bishopscourt · Tokai · Bergvliet · Kenilworth (Cape Town) · Newlands (Cape Town) · Rondebosch · Claremont · Pinelands · Noordhoek · Durbanville · Bellville · Welgemoed · Plattekloof · Brackenfell · Kraaifontein · Table View · Milnerton · Melkbosstrand · Somerset West
Sources & notes
Local facts on this page are drawn from the sources below; supply conditions and municipal rules change, so confirm current requirements with City of Cape Town. City of Cape Town — Register a borehole or wellpoint · City of Cape Town — Groundwater extraction (the city’s aquifers) · City of Cape Town Water By-law, 2010 (as amended) — FAOLEX copy · Frontiers in Sustainable Cities — Groundwater governance for city water resilience in Cape Town (2023)
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Frequently Asked Questions
Do I have to tell the City of Cape Town before drilling a borehole?
Yes. The City’s Water By-law requires at least 14 days’ written notice before a borehole or wellpoint is sunk, and the City asks owners to register the borehole once it has been installed.
What should a Cape Town borehole water test cover?
Ask the lab for a full chemical and microbiological analysis, including iron, manganese, pH, conductivity, nitrate and bacteria. Treatment stages are then chosen to match what the report actually shows.
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