Aeroton Reservoir
A reservoir in Johannesburg Water's Soweto system. What Johannesburg Water (JW) reported about it, from March 2025.
Latest JW report
JW reported supplying, with poor pressure expected in places on 29 September 2026 at 20:30. The board read “On bypass. Supplying fairly. Poor supply may occur.” JW put it on its website 1 October 2026 at 13:40. JW's page for this board ↗ · JW's image of the board ↗
Live updates during the day: Johannesburg Water ↗ and OurPower ↗. This page keeps the history.
- Capacity
- 21,000 kilolitres
- Demand
- 13,304 kilolitres a day
- Storage
- 38 hours
- JW's page
- Aeroton Reservoir ↗
Suburbs it supplies
JW links 2 suburbs to Aeroton Reservoir. Most also draw on other supplies.
Up the supply chain
On 29 September 2026, JW reported Aeroton Reservoir supplying, with poor pressure expected in places
Where the water comes from, top to bottom, and what JW reported for each part on 29 September 2026. A suburb draws on every supply listed at once; JW does not say which street each one reaches.
Showing 29 September 2026, the last day in the record. Other days: 18 July 2026, 5 May 2026.
Bulk supply
JW's boards carry no status for Rand Water's stations.
Feeds Aeroton Reservoir: stated by JW source ↗System
JW reported 2 of 19 supplies in it short of water; 6 had no report.
Supply
JW reported supplying, with poor pressure expected in places, on bypass.
As printed: “13:10 On bypass. Supplying fairly. Poor pressure may occur.”; “20:30 On bypass. Supplying fairly. Poor supply may occur.”
In the Soweto system: listed on a JW page source ↗ Fed from Eikenhof Pump Station (Rand Water): stated by JW source ↗JW's reported status of the reservoir or tower, not measured water at taps. Boards from March 2025.
Source: Johannesburg Water's System Update boards and notices, read by us. How this record is made.
Cite this figure
watersearch (2026). “On 29 September 2026, JW reported Aeroton Reservoir supplying, with poor pressure expected in places”. Data release 2026-09-29-318d9dca. https://watersearch.co.za/reservoir/aeroton-reservoir#fig-chain
The data as a table
| Part | What it is | Feeds | How we know | On 29 September 2026 |
|---|---|---|---|---|
| Eikenhof Pump Station (Rand Water) | Rand Water station | Aeroton Reservoir | stated by JW | No JW status for it |
| Soweto system | System | JW's system page | 2 of 19 supplies short of water; 6 with no report | |
| Aeroton Reservoir | Reservoir | JW's page or notice | supplying, with poor pressure expected in places |
Aeroton Reservoir over time
In 2026 so far, JW reported Aeroton Reservoir short of water on 6 days
What JW reported each day, 3 March 2025 to 29 September 2026, one row a month; the number at the right is the month's days short of water. Based on 221 days with a JW report. A day counts as short of water when JW's worst report for it that day was “poor pressure to no water” or “critically low”. Gaps: Aeroton Reservoir: no report from 6 June 2025 to 15 March 2026.
- water as normal
- supplying fairly
- JW warned
- low, or weak in places
- short of water
- critically low
- shut for the night
- not on the scale
- no JW report
- still filling in
JW's reported status of the reservoir or tower, not measured water at taps. Boards from March 2025.
Source: Johannesburg Water's System Update boards and notices, read by us. How this record is made.
Cite this figure
watersearch (2026). “In 2026 so far, JW reported Aeroton Reservoir short of water on 6 days”. Data release 2026-09-29-318d9dca. https://watersearch.co.za/reservoir/aeroton-reservoir#fig-year
The data as a table
| Month | Days reported | Days in record | Adequate or fair | Poor pressure in places, or low | Warning: no water may occur | Poor pressure to no water | Critically low | Overnight closure |
|---|---|---|---|---|---|---|---|---|
| March 2025 | 18 | 29 | 18 | 0 | 0 | 0 | 0 | 0 |
| April 2025 | 16 | 30 | 16 | 0 | 0 | 0 | 0 | 0 |
| May 2025 | 12 | 31 | 12 | 0 | 0 | 0 | 0 | 0 |
| June 2025 | 3 | 30 | 3 | 0 | 0 | 0 | 0 | 0 |
| July 2025 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 |
| August 2025 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 |
| September 2025 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 |
| October 2025 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 |
| November 2025 | 0 | 30 | 0 | 0 | 0 | 0 | 0 | 0 |
| December 2025 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 |
| January 2026 | 0 | 31 | 0 | 0 | 0 | 0 | 0 | 0 |
| February 2026 | 0 | 28 | 0 | 0 | 0 | 0 | 0 | 0 |
| March 2026 | 13 | 31 | 12 | 0 | 0 | 0 | 0 | 0 |
| April 2026 | 29 | 30 | 29 | 0 | 0 | 0 | 0 | 0 |
| May 2026 | 30 | 31 | 27 | 2 | 0 | 1 | 0 | 0 |
| June 2026 | 29 | 30 | 0 | 29 | 0 | 0 | 0 | 0 |
| July 2026 | 29 | 31 | 0 | 22 | 2 | 0 | 5 | 0 |
| August 2026 | 22 | 31 | 0 | 21 | 1 | 0 | 0 | 0 |
| September 2026 | 20 | 29 | 0 | 15 | 5 | 0 | 0 | 0 |
From April to September 2026 (six months), JW reported Aeroton Reservoir short of water on 6 of 159 reported days
Days per month short of water, stacked: critically low at the base. The tick is the median supply in the city that month. The strip under each bar is the share of days with a JW report; a month with none says gap. 3 March 2025 to 29 September 2026.
In 2026 so far: 6 days short of water for Aeroton Reservoir, from 172 days with a report. The median supply in the city: 4 days.
JW's reported status of the reservoir or tower, not measured water at taps. Boards from March 2025.
Source: Johannesburg Water's System Update boards and notices, read by us. How this record is made.
Cite this figure
watersearch (2026). “From April to September 2026 (six months), JW reported Aeroton Reservoir short of water on 6 of 159 reported days”. Data release 2026-09-29-318d9dca. https://watersearch.co.za/reservoir/aeroton-reservoir#fig-days
The data as a table
| Month | Days short of water | Days reported | Days in record | City median |
|---|---|---|---|---|
| March 2025 | 0 | 18 | 29 | 0 |
| April 2025 | 0 | 16 | 30 | 0 |
| May 2025 | 0 | 12 | 31 | 0 |
| June 2025 | 0 | 3 | 30 | 0 |
| July 2025 | gap | 0 | 31 | 0 |
| August 2025 | gap | 0 | 31 | |
| September 2025 | gap | 0 | 30 | |
| October 2025 | gap | 0 | 31 | |
| November 2025 | gap | 0 | 30 | |
| December 2025 | gap | 0 | 31 | |
| January 2026 | gap | 0 | 31 | |
| February 2026 | gap | 0 | 28 | 0 |
| March 2026 | 0 | 13 | 31 | 0 |
| April 2026 | 0 | 29 | 30 | 0 |
| May 2026 | 1 | 30 | 31 | 0 |
| June 2026 | 0 | 29 | 30 | 0 |
| July 2026 | 5 | 29 | 31 | 1 |
| August 2026 | 0 | 22 | 31 | 0 |
| September 2026 | 0 | 20 | 29 | 0 |
On Aeroton Reservoir, half of its last 6 outages were over within 9 hours
This is not a forecast. It is how long past outages lasted. Each dot is one past outage, placed by its length: the last 6 outages on Aeroton Reservoir. A hollow dot with an arrow had no reported end: JW's reports stopped before it ended, or it was still going at JW's last report. Either way it lasted at least that long (0 of 6).
JW's reported status of the reservoir or tower, not measured water at taps. Boards from March 2025.
Source: Johannesburg Water's System Update boards and notices, read by us. How this record is made.
Cite this figure
watersearch (2026). “On Aeroton Reservoir, half of its last 6 outages were over within 9 hours”. Data release 2026-09-29-318d9dca. https://watersearch.co.za/reservoir/aeroton-reservoir#fig-base-rate
The data as a table
| Started | Length | Ended |
|---|---|---|
| 22 July 2026 | 8 hours | 22 July 2026 |
| 21 July 2026 | 4 hours | 21 July 2026 |
| 20 July 2026 | 11 hours | 20 July 2026 |
| 19 July 2026 | 8 hours | 19 July 2026 |
| 18 July 2026 | 11 hours | 18 July 2026 |
| 5 May 2026 | 23 hours | 6 May 2026 |
JW's notices gave 1 end time for Aeroton Reservoir. By the stated time, JW's boards showed the water back on none of the 1 that have passed
For 1 of the 1, JW's boards have not shown the water back since. Each row is one end time a JW notice stated for one supply, in date order (hollow dot), against the first board on which JW reported the supply supplying fairly or better and off bypass (filled dot). This asks more than the end of an outage, which comes at JW's first report better than “poor pressure to no water” or “critically low”. An arrow: no such board yet. From 1 notice.
JW's reported status of the reservoir or tower, not measured water at taps. Boards from March 2025.
Source: Johannesburg Water's System Update boards and notices, read by us. How this record is made.
Cite this figure
watersearch (2026). “JW's notices gave 1 end time for Aeroton Reservoir. By the stated time, JW's boards showed the water back on none of the 1 that have passed”. Data release 2026-09-29-318d9dca. https://watersearch.co.za/reservoir/aeroton-reservoir#fig-stated
The data as a table
| Notice | Supply | Reason JW gave | Stated end | First board showing recovery | Against the stated time |
|---|---|---|---|---|---|
| 12 May 2026 | Aeroton Reservoir | Conduct investigations to identify the source of water leaks and undertake the necessary repair. | 13 May 2026 06:00 | not yet reported recovered |
In words
2026 so far: JW reported it at “poor pressure to no water” or “critically low” on 6 days. JW published a report for it on 172 of the 272 days in the record; the other 100 days have no report, and we do not count them as normal. The median supply in the city had 4 such days.
2025: JW reported it at “poor pressure to no water” or “critically low” on 0 days. JW published a report for it on 49 of the 304 days in the record; the other 255 days have no report, and we do not count them as normal. The median supply in the city had 1 such day.
The last 6 outages JW reported on this supply lasted a median of 9 hours; the longest 23 hours. This is a record of the past, not a forecast.
JW's boards first named Aeroton Reservoir on 3 March 2025 and last on 29 September 2026: 355 statuses on 355 boards, over 221 days. 0 of those statuses announced a scheduled overnight closure, which we count apart, never as an outage.
Month by month
Days JW reported Aeroton Reservoir at “poor pressure to no water” or “critically low”, out of the days it reported it at all. A month with few reported days says little.
| Month | Days short of water | Days with a report | Same month a year earlier |
|---|---|---|---|
| March 2025 | 0 | 18 | |
| April 2025 | 0 | 16 | |
| May 2025 | 0 | 12 | |
| June 2025 | 0 | 3 | |
| July 2025 | No JW report this month | ||
| August 2025 | No JW report this month | ||
| September 2025 | No JW report this month | ||
| October 2025 | No JW report this month | ||
| November 2025 | No JW report this month | ||
| December 2025 | No JW report this month | ||
| January 2026 | No JW report this month | ||
| February 2026 | No JW report this month | ||
| March 2026 | 0 | 13 | Too few reports to compare |
| April 2026 | 0 | 29 | 0 of 16 days |
| May 2026 | 1 | 30 | Too few reports to compare |
| June 2026 | 0 | 29 | Too few reports to compare |
| July 2026 | 5 | 29 | Too few reports to compare |
| August 2026 | 0 | 22 | Too few reports to compare |
| September 2026 | 0 | 20 | Too few reports to compare |
Recent JW reports
The last 20 statuses JW printed for Aeroton Reservoir, newest first.
JW reported supplying, with poor pressure expected in places on 29 September 2026 at 20:30. The board read “On bypass. Supplying fairly. Poor supply may occur.” JW put it on its website 1 October 2026 at 13:40. JW's page for this board ↗ · JW's image of the board ↗
JW reported supplying, with poor pressure expected in places on 29 September 2026 at 13:10. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 1 October 2026 at 13:41. JW's page for this board ↗ · JW's image of the board ↗
JW reported supplying, with poor pressure expected in places on 28 September 2026 at 13:50. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 1 October 2026 at 13:42. JW's page for this board ↗ · JW's image of the board ↗
No JW report since 25 September 2026. JW reported supplying, with poor pressure expected in places on 25 September 2026 at 19:15. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 28 September 2026 at 10:32. JW's page for this board ↗ · JW's image of the board ↗
No JW report since 25 September 2026. JW reported supplying, with poor pressure expected in places on 25 September 2026 at 13:25. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 28 September 2026 at 10:31. JW's page for this board ↗ · JW's image of the board ↗
No JW report since 23 September 2026. JW reported supplying, with poor pressure expected in places on 23 September 2026 at 18:05. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 25 September 2026 at 10:41. JW's post ↗ · JW's image of the board ↗
No JW report since 23 September 2026. JW reported supplying, with poor pressure expected in places on 23 September 2026 at 11:25. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 25 September 2026 at 10:40. JW's post ↗ · JW's image of the board ↗
No JW report since 22 September 2026. JW reported supplying, with poor pressure expected in places on 22 September 2026 at 10:45. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 22 September 2026 at 15:41. JW's post ↗ · JW's image of the board ↗
No JW report since 21 September 2026. JW reported supplying, with poor pressure expected in places on 21 September 2026 at 19:20. The board read “On bypass. Supplying fairly. Poor supply may occur.” JW put it on its website 22 September 2026 at 14:09. JW's post ↗ · JW's image of the board ↗
No JW report since 21 September 2026. JW reported a warning that poor pressure to no water may occur on 21 September 2026 at 15:05. The board read “On bypass. Critically low; poor pressure may occur”. JW put it on its website 22 September 2026 at 14:08. JW's post ↗ · JW's image of the board ↗
No JW report since 18 September 2026. JW reported a warning that poor pressure to no water may occur on 18 September 2026 at 18:25. The board read “On bypass. Critically low; poor pressure may occur”. JW put it on its website 21 September 2026 at 09:06. JW's post ↗ · JW's image of the board ↗
No JW report since 18 September 2026. JW reported supplying, with poor pressure expected in places on 18 September 2026 at 10:50. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 21 September 2026 at 09:04. JW's post ↗ · JW's image of the board ↗
No JW report since 17 September 2026. JW reported supplying, with poor pressure expected in places on 17 September 2026 at 20:10. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 18 September 2026 at 10:41. JW's post ↗ · JW's image of the board ↗
No JW report since 17 September 2026. JW reported supplying, with poor pressure expected in places on 17 September 2026 at 10:40. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 18 September 2026 at 10:40. JW's post ↗ · JW's image of the board ↗
No JW report since 16 September 2026. JW reported a warning that poor pressure to no water may occur on 16 September 2026 at 15:15. The board read “On bypass. Critically low; poor pressure may occur”. JW put it on its website 16 September 2026 at 15:56. JW's post ↗ · JW's image of the board ↗
No JW report since 16 September 2026. JW reported supplying, with poor pressure expected in places on 16 September 2026 at 11:10. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 16 September 2026 at 15:52. JW's post ↗ · JW's image of the board ↗
No JW report since 15 September 2026. JW reported supplying, with poor pressure expected in places on 15 September 2026 at 17:00. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 16 September 2026 at 10:17. JW's post ↗ · JW's image of the board ↗
No JW report since 15 September 2026. JW reported a warning that poor pressure to no water may occur on 15 September 2026 at 11:15. The board read “On bypass. Critically low; poor pressure may occur”. JW put it on its website 16 September 2026 at 10:11. JW's post ↗ · JW's image of the board ↗
No JW report since 14 September 2026. JW reported supplying, with poor pressure expected in places on 14 September 2026 at 10:25. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 15 September 2026 at 11:24. JW's post ↗ · JW's image of the board ↗
No JW report since 11 September 2026. JW reported supplying, with poor pressure expected in places on 11 September 2026 at 20:20. The board read “On bypass. Supplying fairly. Poor pressure may occur.” JW put it on its website 15 September 2026 at 11:21. JW's page for this board ↗ · JW's image of the board ↗
Past outages
Each row is one outage: a stretch of time JW reported Aeroton Reservoir at “poor pressure to no water” or “critically low”, newest first. An outage has no reported end when JW's reports stopped before it ended, or when it was still going at JW's last report; its length is then a minimum.
| Start | End | Length |
|---|---|---|
| 22 Jul 2026, 10:35 | 22 Jul 2026, 18:45 | 8 hours |
| 21 Jul 2026, 15:02 | 21 Jul 2026, 18:50 | 4 hours |
| 20 Jul 2026, 10:08 | 20 Jul 2026, 21:00 | 11 hours |
| 19 Jul 2026, 11:25 | 19 Jul 2026, 19:35 | 8 hours |
| 18 Jul 2026, 10:20 | 18 Jul 2026, 20:55 | 11 hours |
| 5 May 2026, 20:27 | 6 May 2026, 19:03 | 23 hours |
What JW's boards cannot tell you
- Whether water reaches your street or your tap.
- Which streets lose water first: JW warns of higher-lying areas but does not name the streets.
- Why a supply ran low, unless a JW notice gives a reason.
- Pipe bursts, tankers and valve work, which are not on the boards.
Source: JW's System Update boards and notices, read by us. The full list, and how this record is made.