London's Pulse: Medical Officer of Health reports 1848-1972
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Hints from the Health Department. Leaflet from the archive of the Society of Medical Officers of Health. Credit: Wellcome Collection, London
City of London 1870
[Report of the Medical Officer of Health for London, City of]
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| Gallons per Day. | Number of Houses supplied. | ||
|---|---|---|---|
| Total. | Per Head. | ||
| October, 1870 | 104,073,197 | 31.9 | 482,565 |
| November ,, | 101,063,124 | 30.9 | 482,880 |
| December ,, | 97,371,249 | 29.8 | 482,982 |
| January 1871 | 102,824,606 | 31.5 | 485 328 |
| February ,, | 100,782,216 | 30.9 | 483,566 |
| March ,, | 101,557,556 | 31.2 | 484,969 |
| April ,, | 103,593,573 | 31.8 | 485,734 |
| May | 108,692,357 | 33.3 | 487,198 |
| June ,, | 111.292,104 | 34.1 | 487,692 |
| July | 112,107,697 | 34.4 | 489,331 |
| August ,, | 116,799,067 | 35.8 | 489,545 |
| September ,, | 114,354,087 | 3.53 | 490,332 |
| Average | 106,209,236 | 32.5 | 486,010 |
So that the quantity has ranged from 97,371,249
gallons per day in December, 1870, to 116,799,067
gallons per day in August, 1871—the average for
the whole year being 106,209,236 gallons per day,
or 32.5 gallons per head of the population. The
average number of houses supplied has been 486,010,
and therefore a little more than 218 gallons have
been delivered to each house daily. About six million
gallons of each of the day's supply has been
derived from the Thames, four million gallons from
the New River and the River Lea, and the remainder,
about seven million gallons, from the chalk