Where your tax goes

Drainage Services Department

The 2026-27 estimate for this head (Head 39) is HK$4.1 billion p.1. That is HK$124.7 million (3.2%) more than the 2025-26 revised estimate of HK$3.9 billion p.1 (our calculation).

Spending by year

p.1

  1. 2026-27 Estimate HK$4.1bn
  2. 2025-26 Revised estimate HK$3.9bn
  3. 2024-25 Actual HK$3.7bn

Of HK$1,120 in tax, about HK$5.4 corresponds to this department's spending. p.1 p.12

This is a split by budget share. Taxes are not set aside for particular uses. How we split it

Staff and policy areas

How many staff?

The establishment goes from 2,028 posts on 31 March 2026 p.1 to 1,983 posts on 31 March 2027 p.1 (down 45, our calculation).

Which policy areas does it serve?

  • Environmental Protection, Conservation, Power and Sustainable Development (part of the Environment and Food group)
  • Water Supply, Drainage and Slope Safety (part of the Infrastructure group)

A department may work in a policy area only in part. We never add department spending into group totals: the Government publishes totals by group only. Index of Policy Areas (PDF)

Read the Estimates for Head 39 (PDF) · All departments