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 1861
[Report of the Medical Officer of Health for London, City of ]
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No. XII.—Composition of the Water of the City Pumps, as compared with that of the New River Company and the Thames at London Bridge, during the first half of the Year.
| Locality of Pump and Supply | Grains per Imperial Gallon of 70,000 Grains | Locality of Pump and Supply | Grains per Imperial Gallon of 70,000 Grains | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Total Solid Matter. | Organic Matter. | Total Solid Matter. | Organic Matter. | ||||||||||
| New River Company | Max. | Min. | Mean. | Max. | Min. | Mean. | Great, St. Helens | Max. | Min. | Mean. | Max. | Min. | Mean. |
| 20.3 | 15.5 | 18.3 | 2.3 | 0.7 | 1.2 | 53..3 | 45.1 | 49.3 | 4.4 | 3.0 | 3.5 | ||
| Thames at London Bridge | 30.2 | 21.7 | 25.4 | 5.5 | 2.3 | 3.3 | Gutter Lane | 66.0 | 43.7 | 56.4 | 6.4 | 4 '0 | 5.3 |
| Aldgate | 88.6 | 70.4 | 77'8 | 5.6 | 4.2 | 4.8 | Guildhall Buildings | 30.3 | 28.0 | 29.1 | 3.1 | 2. 0 | 2.5 |
| Aldgate High Street | 117.5 | 70.7 | 103.7 | 9.6 | 7.1 | 8.1 | Guildhall Yard | 33.3 | 32.2 | 32.8 | 3.2 | 2 .6 | 2.9 |
| Bartholomew Lane | 78.5 | 72.3 | 75.4 | 4.7 | 4.4 | 4.6 | Half Moon Passage | 73.0 | 64.5 | 69.3 | 4.0 | 2.7 | 3 .5 |
| Basinghall Street | 83.3 | 75.0 | 80.0 | 7.9 | 4.9 | 6.3 | Herald's College | 97.7 | 90.5 | 94.1 | 9.8 | 3 .0 | 6.4 |
| Bell Yard | 80.0 | 78.4 | 79.2 | 8.2 | 8.0 | 8.1 | Honey Lane Market | 55.3 | 41.0 | 46.8 | 4.2 | 2.1 | 3 2 |
| Bishopsgate Street, by Church | 89.0 | 86.5 | 877 | 8 0 | 5.3 | 6.2 | Idol Lane | 78.5 | 78.1 | 78.3 | 4.7 | 4.6 | 4.6 |
| Bishopsgate Street, by Dunning's Alley | 1 27.3 | 105.2 | 114.8 | 10.7 | 6.4 | 9.1 | Ironmonger Lane | 86.7 | 76.2 | 81.4 | 8.8 | 5.7 | 7.2 |
| Leailenhall Market | 132.0 | 90.4 | 111.2 | 7.3 | 4 .4 | 5.8 | |||||||
| Bow Churchyard | 84.5 | 80.3 | 82.7 | 5.9 | 5.2 | 5.4 | Little Britain | 89.0 | 83.0 | 86.0 | 8.4 | 8.2 | 8.3 |
| Bowlina Square | 77.4 | 64.9 | 71..1 | 5.7 | 4.5 | 4.9 | Milton Street | 138.4 | 132.1 | 135.2 | 8.3 | 0.0 | 6.9 |
| Bride Lane | 104.6 | 84.7 | 95.1 | 8.8 | 4.0 | 6.9 | Minories | 98.3 | 96.2 | 97.2 | 6.6 | 0.4 | |
| Cannon Street West | 73.7 | 69.3 | 71.0 | 6.7 | 2. 8 | 6.1 | Mitre Square | 53.1 | 32.8 | 42.9 | 6.2 | 2.0 | 4.2 |
| Chequer Yard, Dowgate Hill | 81.1 | 66.2 | 73.5 | 8.0 | 6.4 | 7.0 | Newgate Market | 75.7 | 68.5 | 72.1 | 7.3 | 6.6 | 6.9 |
| Cock and Hoop Yard | 89.2 | 65.0 | 77.8 | 6.9 | 3.7 | 5.6 | Old Jewry | 63.2 | 61.3 | 62.2 | 5.9 | 4.8 | 5 .4 |
| Cornhill | 78.0 | 68.7 | 73.8 | 6.0 | 4.5 | 54 | St. Mary Axe | 88.7 | 86.7 | 87.7 | 5 .4 | 4.4 | 4.9 |
| Cree Church Lane | 51.7 | 44.3 | 47.8 | 3.0 | 2.1 | 2.6 | St. Nicholas Olave | 139.7 | 119.2 | 129.4 | 6.6 | 5.9 | 6.2 |
| Fenchurch Street | 88.7 | 83.1 | 85.9 | 8.1 | 6.6 | 7.2 | St. Paul's Churchyard | 69.5 | 65.4 | 67.2 | 4.4 | 3.9 | 4.0 |