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Highwater supply

Kowloon Reservoir

Kowloon · Kowloon · Kowloon catchments

Capacity

1.578 hm³

Coordinates

22.353°N, 114.150°E

Operator

Water Supplies Department (WSD)

84.6% full

Data older than 14 days — last reading 2026-08-16. Shown for reference; it may not reflect current levels.

Current fill

84.6%
High

vs 7 days ago

0.0%

stable

vs 1 year ago

+0.4%

year-over-year

7-day trend

stable

Catchment Weather

Past 30 days + 14-day forecast · Open-Meteo

Technical specifications

Total capacity1.578 hm³
Usable capacity1.578 hm³
Year built1910
Primary usewater supply
OperatorWater Supplies Department (WSD)
ProvinceKowloon
Autonomous communityKowloon
River basinKowloon catchments
Data source:WSD·Last reading: 2026-08-16

Satellite imagery: Esri, Maxar, Earthstar Geographics. 22.353, 114.150 · Open in Google Maps

About Kowloon Reservoir

As of August 16, 2026, Kowloon Reservoir is filled to 84.6% of its total capacity, holding roughly 1 hm³ of water out of a maximum 2 hm³. At this level the reservoir is high.

Over the most recent week on record the fill level has held broadly steady (+0.0 pts), and it sits close to where it was a year earlier.

Across the readings we hold for Kowloon Reservoir — 181 data points between January 16, 2019 and August 16, 2026 — the level has ranged from a low of 25.6% (June 1, 2021) to a high of 100.0% (October 1, 2025). On average the reservoir is fullest around October and at its lowest around May.

The dam at Kowloon Reservoir was completed in 1910. It is operated by Water Supplies Department (WSD) primarily for water supply. It lies within the Kowloon catchments basin at 22.353°N, 114.150°E.

Key facts

Current fill level
84.6%
Water stored
1 hm³
Total capacity
2 hm³
7-day change
No change
Year-on-year
▲ 0.4 pts
Primary use
Water supply
River basin
Kowloon catchments
Year completed
1910
Operator
Water Supplies Department (WSD)
Coordinates
22.353°N, 114.150°E
Last updated
August 16, 2026

Recent readings

DateFill levelVolume (hm³)
16 Aug 202684.6%1
1 Aug 202699.5%2
16 Jul 202686.3%1
1 Jul 202684.2%1
16 Jun 202686.8%1
1 Jun 202668.8%1
16 May 202661.2%1
1 May 202658.2%1
16 Apr 202657.1%1
1 Apr 202656.5%1
16 Mar 202656.2%1
1 Mar 202652.0%1

Frequently asked questions

What is the current water level of Kowloon Reservoir?

As of August 16, 2026, Kowloon Reservoir is at 84.6% of its capacity, holding approximately 1 hm³ of water, according to WSD data.

Is Kowloon Reservoir reservoir full?

No. As of August 16, 2026, Kowloon Reservoir is high at 84.6% of its capacity, so it is not full.

Is the water level at Kowloon Reservoir rising or falling?

The level at Kowloon Reservoir has been broadly stable over the latest week on record (0.0 points).

How much water can Kowloon Reservoir hold?

Kowloon Reservoir has a total capacity of 2 hm³.

Where is Kowloon Reservoir reservoir located?

Kowloon Reservoir is located in Kowloon, Hong Kong, within the Kowloon catchments basin (coordinates 22.353°N, 114.150°E).

When was Kowloon Reservoir dam built?

The dam at Kowloon Reservoir was completed in 1910.

What is Kowloon Reservoir used for?

Kowloon Reservoir is used primarily for water supply, and is managed by Water Supplies Department (WSD).

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