What is Water positive?
Water positive is a voluntary corporate pledge to replenish more water to basins than the company consumes, usually by a stated year, through on-site cuts and off-site replenishment projects.
Who makes the pledge
Technology, beverage, consumer goods and industrial companies make most water positive pledges, and they cover data centers, plants, offices and campuses. No regulator or standards body defines the term, so each company publishes its own boundary, baseline year and counting method, and readers have to check those before comparing two claims.
Why the location of each site matters
A liter saved in a stressed basin counts for more than one saved where water is plentiful. WRI Aqueduct 4.0 found that 25 countries, home to a quarter of the world's population, face extremely high water stress, so credible pledges report consumption and replenishment basin by basin rather than as one global total.
The on-site half of the ledger
Replenishment happens off site and Aqueduct does not measure it. The consumption half is where measured data matters: withdrawals by source at the main supply, reuse flow, RO recovery and STP efficiency on the water twin, and a weather-normalized baseline, so a reduction claimed for a site is the measured delta against expected use.