[Report of the Medical Officer of Health for St. Marylebone, Metropolitan Borough] page 33

Marylebone 1964

[Report of the Medical Officer of Health for St. Marylebone, Metropolitan Borough]

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TABLE 6.— Nuisances Remedied.

Nuisance Abated or Defect Remedied	Number
Houses damp, dirty or dilapidated	189
Doors, windows, floors, ceilings, sash cords, grates and flues, etc., defective	293
Drain, water-closet and waste pipe stoppages	88
Drains, water-closets and waste pipes defective	78
Insufficient or unsuitable W.C. accommodation	23
Yard, area and wash-house defects	21
Roofs, gutters and rainwater pipes defective	146
Insufficient water supplies	21
Water cisterns dirty or defective	25
Ashpits, dustbins, etc., defective	78
Rubbish accumulations	70
Animal nuisances	6
Miscellaneous	33
Total	1,071

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TABLE 7.—Chemical Examination of Water supplied to St. Marylebone—Average Results.

Milligrammes per Litre (unless otherwise stated)

Analysis data	Source of Supply
Analysis data	Hampton	Ashford Common
No. of samples	53	53
Ammoniacal Nitrogen	0.041	0.066
Albuminoid Nitrogen	0.075	0.088
Nitrate Nitrogen	5.0	4.4
Chlorides as Cl.	34	33
Oxygen abs. from KMn04 4 hrs. at 27°C.	1.06	1.16
Turbidity units	0.1	0.2
Colour (Burgess) scale	11	11
Hardness (total)	268	272
Hardness (non-carbonate)	64	64
pH. Value	7.6	7.7
Phosphate as PO4	1.4	1.3
Silicate as SiO2	9	7
Sulphate as SO4	60	62
Natural Fluoride as F	0.25	0.25
Magnesium as Mg.	5	5
Surface active material as manoxol OT	0.09	0.09
Electrical Conductivity (micro-ohms)	560	550

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TABLE 8.— Bacteriological Examination of Water supplied to St. Marylebone-Average Results after Treatment.

Source of supply	Number of samples	Agar plate count per ml.		Coliform count	E. coli count
Source of supply	Number of samples	20-24 hours at 37°C.	3 days at 22°C.	Per cent. samples negative in 100 ml.	Per cent. samples negative in 100 ml.
Hampton	1,109	13.4	-	100.0	100.0
Ashford Common	773	16.3	-	99.87	100.0