| 1982 | 1,830 | 1,281 | 549 | .. |
| 1983 | 1,840 | 1,375 | 465 | .. |
| 1984 | 2,057 | 1,588 | 469 | .. |
| 1985 | 2,048 | 1,606 | 442 | 15,934 |
| 1986 | 2,255 | 1,620 | 635 | 18,605 |
| 1987 | 2,381 | 1,672 | 709 | 20,488 |
| 1988 | 2,550 | 1,850 | 700 | 21,711 |
| 1989 | 2,325 | 1,697 | 628 | 23,742 |
| 1990 | 2,402 | 1,885 | 517 | 25,424 |
| 1991 | 2,376 | 1,914 | 462 | 26,850 |
| 1992 | 3,068 | 2,057 | 1,011 | 29,634 |
| 1993 | 3,160 | 2,212 | 948 | 31,000 |
| 1994 | 2,366 | 1,982 | 473 | 33,000 |
| 1995 | 2,579 | 2,115 | 464 | 33,752 |
| 1996 | 2,468 | 2,035 | 432 | 37,782 |
| 1997 | 2,739 | 2,353 | 386 | 37,990 |
| 1998 | 2,909 | 1,997 | 912 | 39,416 |
| 1999 | 3,459 | 1,660 | 1,799 | .. |
| 2000 | 3,641 | 1,930 | 1,711 | 39,618 |
| 2001 | 3,641 | 2,025 | 1,616 | 47,493 |
| 2002 | 3,207 | 1,764 | 1,443 | 51,696 |
| 2003 | 3,165 | 1,870 | 1,295 | 36,312 |
| 2004 | 3,146 | 1,882 | 1,264 | 36,472 |
| 2005 | 4,128 | 2,384 | 1,744 | 54,061 |
| 2006 | 4,352 | 2,568 | 1,784 | 55,492 |
| 2007 | 4,340 | 1,920 | 2,420 | 56,966 |
| 2008 | 4,291 | 1,975 | 2,316 | 58,004 |
| 2009 | 4,842 | 1,496 | 3,346 | 58,929 |
| 2010 | 3,867 | 926 | 2,941 | 59,441 |
| 2011 | 3,909 | 1,786 | 2,123 | 59,996 |
| 2012 | 5,547 | 2,188 | 3,359 | 60,583 |
| 2013 | 5,122 | 1,769 | 3,352 | 62,072 |
| 2014 | 4,686 | 1,783 | 2,902 | 63,329 |
| 2015 | 3,288 | 1,401 | 1,887 | 64,356 |
| 2016 | 3114 | 2275 | .. | .. |
| 2017 | .. | 1897 | .. | .. |
| 2018 | .. | 1980 | .. | .. |
| 2019 | .. | 1947 | .. | .. |
| 2020* | .. | 1357 | .. | .. |
| *Data available for January to October | | | | |
| .. Not available for a specific reference period | | | | |
| Note: unaccounted for water according to the World Bank was 52% and 47% in 1999 and 2000 respectively. In 2003, accounts that were inactive and duplicated were deleted from the system. In 2006, the meter for Theobalds T. Plant was Faulty. In 2010, a drought spell and hurricane Tomas in October 2010 left the meter for Canaries faulty for the year. | | | | |
| Source: Water and Sewage Company Inc. (WASCO) | | | | |
| Last updated: 23/05/2021 by Olympia Joseph | | | | |