Is there a water shortage in Cape Town? Update 2026

Current snapshot: Dam levels

The numbers paint a clear picture of a system under growing stress. Cape Town's combined dam storage (WCWSS) is now 49.2% and continues to fall. The system dropped by 1.2 percentage points in the past week alone and is far below the same period last year (66.5%).

Cape Town System

↓ Was 66.5% this time last year

Combined level of the 6 major dams (WCWSS), week of 23 Mar 2026.

Theewaterskloof Dam

↓ Was ~74% last year

The largest dam in the system continues to decline.

City Water Outlook

Not in crisis — but concerning

Rated by MMC Badroodien (early Feb 2026).

While 49% is not at the catastrophic "Day Zero" levels of 2018 (when dams fell below 20%), the trend is worrying. Over the past week, the WCWSS stored volume dropped by about 10,900 ML — a loss of roughly 1,560 million litres per day. Recent rainfall has been minimal, with many monitoring stations recording 0 mm through late February and March. This water must supply Cape Town as well as communities in the Overberg, Boland, West Coast and Swartland until the winter rains arrive — typically from May or June.

Individual dam breakdown

All six major dams are showing substantial deficits compared to the same week in 2025. The faint blue bar shows last year's level for comparison.

Dam	23 Mar 2026	23 Mar 2025	Change
Theewaterskloof	47.8%	~74%	−26.2%
Berg River	44.8%	~74%	−29.2%
Steenbras Upper	60.9%	~95%	−34.1%
Steenbras Lower	41.8%	~65%	−23.2%
Voëlvlei	54.1%	~73%	−18.9%
Wemmershoek	54.2%	~67%	−12.8%

Source: City of Cape Town Weekly Water Dashboard, week of 23 Mar 2026. Live updates: capetowndata.com/dam-levels

The consumption problem

The City has set a collective summer usage target of less than 975 million litres per day (MLD). The latest weekly dashboard shows average total daily use at 1,073 MLD. About 70% of the city's water is used by households.

Current Daily Use

1,073

Million Litres / Day

↑ 98 MLD above the 975 MLD target

Per Person Use

183 L

Litres / Person / Day

Global average: 120–160 L/day

The consumption trend has remained stubbornly high throughout summer:

10 Dec 2025

1,029 MLD · Dams at 77%

22 Dec 2025

1,039 MLD · Dams at ~73%

31 Dec 2025

1,025 MLD · Dams at 70.5%

5 Jan 2026

1,048 MLD · Dams at 69.1%

~27 Jan 2026

1,062 MLD · Dams at 62.2%

23 Feb 2026

1,073 MLD · Dams at 55.4%

11 Mar 2026

Dams at 51.8% amid heatwave

23 Mar 2026

Dams at 49.2% · −1.2% week-on-week

The City also estimates it loses roughly 23% of its water through leaks and unaccounted-for use — a structural issue that compounds the demand problem.

Why is this happening?

🌧️

Below-average winter rainfall (2025)

Last year's winter delivered less rain than needed. Dams were never fully replenished, meaning Cape Town entered summer with a smaller buffer. In October 2025 the City moved to "Early Drought Caution" — its first-tier warning.

🔥

Hot, dry summer

Sustained heatwaves in December, January and March pushed household consumption higher while also increasing evaporation from reservoirs. Since late January, most catchments have recorded zero rainfall.

📈

Growing population & rising demand

Cape Town's approximately 5 million residents use about 183 litres per person per day — above global averages. Per-capita use has crept back up since the post-drought lows, when residents briefly reached 50 L/day.

🔧

Infrastructure gaps

Around 23% of water is lost through leaks. The New Water Programme — desalination, groundwater, reuse — aims to add 300 million litres per day but remains years from full delivery.

What happens next?

MMC Zahid Badroodien rated the City's short-term water outlook at 4 out of 10 on 5 February. Here is what officials and experts are saying:

Key takeaways (March 2026)

The provincial government confirms Cape Town should have sufficient water heading into winter — the city is "still in the green zone".
However, consumption is well above the allocated draw. A 10% reduction in household use alone would bring the city back under target.
If conditions do not improve, water restrictions could be introduced as early as June — the City warns this decision could come well ahead of the originally flagged November date.
Climatologists warn that under worst-case scenarios, dam levels could reach 40% by May.
Longer-range forecasts suggest the Western Cape may receive below-average rainfall this winter — though forecast confidence remains limited.

No formal water restrictions are currently in force — the Department of Water and Sanitation's most recent Annual Operating Analysis (November 2025) concluded none were needed. However, the City retains the right to impose restrictions based on its own assessments. Water inspectors targeting heavy users are expected as part of the next enforcement phase.

The Day Zero crisis: What happened last time

Cape Town has been here before — and much worse. The Day Zero crisis of 2017–2018 remains one of the most dramatic urban water emergencies in modern history. Here is how it unfolded:

2015–2017

Three consecutive years of poor winter rainfall steadily depleted the Western Cape dam system. By late 2017, combined storage had dropped below 30%.

Jan 2018

The City declared Level 6 water restrictions — 87 litres per person per day.

Feb 2018 — "Day Zero"

Restrictions tightened to Level 6B: just 50 litres per person per day. The City published a countdown to "Day Zero" — the date when municipal taps would be largely shut off and residents would queue for daily water rations. Dams hovered around 20%.

Mar–May 2018

Day Zero was initially projected for April but was repeatedly pushed back as Capetonians slashed usage by nearly 60% compared to 2015. Emergency agricultural water releases from Eikenhof Dam also helped.

Jun–Sep 2018

Winter rains arrived. By September, dams were back near 70% and restrictions began easing.

2019–2020

Good rains broke the drought entirely. Dams reached 95% capacity by mid-2020.

2021–2024

Levels fluctuated with normal seasonal patterns. Water consciousness gradually faded; per-capita use crept back up.

2025–2026

Below-average 2025 winter rainfall combined with high summer demand brings the system back under pressure. Dams at 49.2% — not a crisis, but the trend echoes early warning signs of the Day Zero buildup.

Frequently asked questions

How long will the water last?

At the current draw-down rate of roughly 1.2% per week, and with no significant inflows before winter rains (typically starting May–June), dams could reach the low 40s by late April or early May. That is tight but still above the critical 30% threshold where severe restrictions become unavoidable. Everything hinges on the 2026 winter rainy season.

Are we heading for another Day Zero?

Not yet. The current situation (49.2%) is concerning but nowhere near the 20% crisis levels of 2018. However, if 2026 winter rainfall is significantly below average — as happened in the three years leading up to Day Zero — the outlook could worsen rapidly. The City's water outlook rating currently sits at 4 out of 10.

When will water restrictions start?

The City has warned restrictions could begin as early as June 2026, well ahead of the originally flagged November date, if consumption does not drop and winter rains disappoint. Water inspectors targeting heavy users may be deployed before formal restrictions are announced.

What does this mean for residents?

Expect possible water restrictions from mid-2026. Start conserving now — fix leaks, take shorter showers, and avoid peak-hour usage (17:00–21:00). The City is asking for a 10% reduction in household use. During the Day Zero crisis, Capetonians proved they could cut usage by 60% — a 10% reduction is very achievable.

What does this mean for tourists?

Cape Town remains a safe and fully functional destination. Be mindful of water use in accommodation — take short showers, reuse towels — as you would in any water-conscious city. There are currently no restrictions affecting visitors.

What does this mean for property owners?

Water security increasingly affects property values in Cape Town. Areas with private boreholes, rainwater harvesting systems, or greywater recycling may command a premium. If restrictions are introduced, properties without alternative water sources could see higher running costs.

Molteno Reservoir vulnerability

One particular piece of infrastructure remains a weak point: the Molteno Reservoir in Oranjezicht. In December 2025, the City issued urgent warnings as this historic service reservoir — which feeds the City Bowl and Atlantic Seaboard — was strained by peak-hour consumption.

The Molteno issue is a distribution problem, not a bulk-supply failure. When residents draw water faster than the trunk mains can refill the reservoir, pressure drops and air can enter the system, causing localised outages. Earlier in 2025 (May), mechanical failures at pumps and valves also left the system more vulnerable.

While the acute December alert has eased, the underlying vulnerability remains. If system-wide dam levels continue to fall, any localised demand spike can still overwhelm the Molteno system.

Areas most vulnerable to pressure drops

These suburbs are served by the Molteno Reservoir system and remain most at risk of localised supply disruptions during periods of high demand.

City Bowl	City BowlUpper City BowlVredehoekOranjezichtGardensHiggovaleTamboerskloofSchotsche KloofBo-Kaap
Atlantic Seaboard	FresnayeBantry BayBakovenCamps Bay

Map: Distribution vulnerability zone

Molteno Reservoir and surrounding City Bowl / Atlantic Seaboard suburbs

Open in Google Maps →

Action plan: What you can do right now

💧 The City is asking every household to cut usage by 10%

Short showers: 2 minutes max. Use the stop-and-start method — wet, lather, rinse.
No hosepipes: Do not water gardens or wash cars with municipal water. Only water before 09:00 or after 18:00.
Pools off: Do not top up swimming pools manually or via automatic fill systems.
Fix leaks: A dripping tap can waste 30+ litres per day. Report burst pipes: 0860 103 089.
Full loads only: Only run washing machines and dishwashers when full.
Peak hours: Avoid heavy water use between 17:00 and 21:00.

Standing water by-laws apply in Cape Town at all times — even without formal restrictions in place. Full regulations are available on the City of Cape Town's ThinkWater website.

For visitors: Cape Town remains a fully functional city with reliable tap water. Being water-conscious — especially in hotels, guesthouses and holiday rentals — is appreciated and expected.

📊 Track dam levels — updated weekly

Monitor all six major dams, consumption data and restriction status in one place.

View Live Dam Levels