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
Wandsworth 1905
[Report of the Medical Officer of Health for Wandsworth, Metropolitan Borough]
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108
Report of the Medical Officer of Health.
SOUTHWARK DISTRICT WATER. (Parts per 100,000.)
| Month. | Total Solid Matters | Ammonia. | Album inoid Ammonia. | Nitrogen as Nitrates. | Total Combined Nitrates. | Organic Carbon. | Organic Nitrogen. | Oxygen required to oxidise. | Chlorine. | Colour. | Quality. | Compared with Kent averages 9 years ending 1876 taken as unity. | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 hours at 80° F | 1 hour at 122°F. | Kent. | Southwark. | |||||||||||
| January | 33.70 | .0 | .0075 | .278 | .294 | .180 | .016 | .083 | .090 | 1.85 | Very pale yellow | Good | 0.8 | 3.3 |
| February | 32.78 | .0 | .0055 | .301 | .318 | .149 | .017 | .062 | .068 | 1.85 | Do. do. | Do. | 1.0 | 2.8 |
| March | 29.70 | .0 | .008 | .223 | .239 | .167 | .016 | .081 | .087 | 1.8 | Do. do. | Do. | 0.9 | 3.1 |
| April | 30.04 | .0 | .0095 | .196 | .213 | .165 | .017 | .100 | .107 | 1.75 | Do. do. | Do. | 1.1 | 3.1 |
| May | 25.92 | .0 | .0075 | .168 | .185 | .155 | .017 | .068 | .074 | 1.7 | Do. do. | Do. | 0.9 | 2.9 |
| June | 26.18 | .0 | .0085 | .161 | .179 | .144 | .018 | .088 | .094 | 1.7 | Do. do. | Do. | 0.8 | 2.7 |
| July | 26.00 | .0 | .009 | .147 | .166 | .174 | .019 | .092 | .099 | 1.70 | Do. do. | Do. | 0.7 | 3.3 |
| August | 26.02 | .0 | .0075 | .144 | .157 | .147 | .013 | .072 | .077 | 1.85 | Do. do. | Do. | 0.7 | 2.7 |
| September | 27.14 | .0 | .007 | .168 | .187 | .160 | .019 | .070 | .075 | 1.80 | Do. do. | Do. | 0.7 | 3.0 |
| October | 28.24 | .0 | .0065 | .223 | .238 | .132 | .015 | .064 | .070 | 1.8 | Do. do. | Do. | 1.1 | 2.5 |
| November | 30.88 | .003 | .010 | .226 | .261 | .273 | .032 | .106 | .116 | 1.9 | Pale yellow | Fair | 1.0 | 5.2 |
| December | 32.78 | .0 | .009 | .247 | .269 | .238 | .022 | .115 | .124 | 1.95 | Very pale yellow | Good | 0.9 | 4.4 |