Water supply and treatment covers the abstraction, treatment and distribution of drinking and bulk water, including treatment works, service reservoirs, water towers, boreholes and rural water points.
The Capability Development Index tracks the events that move a capability — operational use, technical breakthroughs, procurement decisions and the industrial base behind them — and places each on the record with the date it happened.
Recent developments cover the current period. Historical developments are the inflection points that produced Water Supply & Treatment as it stands today.
Statements developed in 1992 led to the creation of several policies elevating the importance of water and steering urban water system management towards sustainable development. These provided the policy framing within which supply networks were subsequently planned.
The Australian study found that grey water contains less nitrogen and fewer faecal pathogenic organisms than sewage, and that its organic content decomposes more rapidly. The findings supported the case for grey water reuse as a component of sustainable urban water supply.
The General Assembly acknowledged that clean drinking water and sanitation are essential to the realisation of all human rights. The recognition reframed water supply provision as a rights obligation rather than a discretionary service, informing how states and utilities approach coverage of unserved populations.