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 1907
[Report of the Medical Officer of Health for Wandsworth, Metropolitan Borough]
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Report of the Medical Officer of Health.
133
TABLE LXI.
SOUTHWARK DISTRICT WATER.
(Parts per 100,000.)
| Month. | Total Solid Matter | Ammonia. | Albuminoid Ammonia. | Nitrogen as Nitrates. | Total Combined Nitrogen. | Organic Carbon | Organic Nitrogen. | Oxygen required to oxidise. | Chlorine. | Colour. | Quality. | Compared with Kent averages 9 years ending 1876 as unity. | |||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4 hours at80o F | 1 hour at 1220 F. | Kent. | Southward | ||||||||||||
| January | 31.00 | .0015 | .013 | .284 | .326 | .436 | .041 | .138 | .152 | 1.7 | Brown | Bad | 0.8 | 8.1 | |
| February | 33.4 | .o | .007 | .351 | .366 | .159 | .015 | .091 | .°99 | 1.75 | Very pale yellow | Good | 1.1 | 2.9 | |
| March | 31.14 | .0 | .008 | .261 | .282 | .185 | .021 | .091 | .098 | 1.9 | Do. | do. | Do | 1.1 | 3.5 |
| April . | 31.64 | .o | .008 | .266 | .287 | .195 | .021 | .099 | .107 | 1.85 | Do. | do. | Do | 0.9 | 3.7 |
| May | 29.48 | .0 | .009 | .236 | .255 | .218 | .019 | .099 | .111 | 1.8 | Do. | do. | Do | 0.8 | 4.0 |
| June | 29.51 | .o | .008 | .206 | .229 | .200 | .023 | .088 | .096 | 1.8 | Do. | do. | Do | 0.7 | 3.8 |
| July | 28.20 | .o | .008 | .188 | .207 | .186 | .019 | .074 | .030 | 1.75 | Do. | do. | Do | 0.8 | 3.5 |
| August | 27.12 | .o | .0075 | .170 | .189 | .160 | .019 | .074 | .082 | 1.65 | Do. | do. | Do | o.9 | 3.0 |
| September | 35.78 | .o | .006 | .148 | .163 | .145 | .015 | .065 | .073 | 1.7 | Do. | do. | Do | 0.7 | 2.7 |
| October | 27.00 | .o | .0055 | .192 | .204 | .107 | .012 | .067 | .073 | 1.7 | Do. | do. | Do | o.8 | 2.0 |
| November | 32.74 | .001 | .009 | .225 | .251 | .275 | .025 | .114 | .123 | 1.65 | Pale yellow | Do | 0.9 | 5.1 | |
| December | 28.74 | .0 | .011 | .154 | .178 | .229 | .024 | .144 | .154 | 1.75 | Very pale yellow | Do | o.8 | 4.3 | |
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