[Report of the Medical Officer of Health for Bromley] page 119

Bromley 1965

[Report of the Medical Officer of Health for Bromley]

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BACTERIOLOGICAL RESULTS — YEARLY AVERAGES, 1965 OF WATER SUPPLIED TO THE LONDON BOROUGH OF BROMLEY

Source of supply	BEFORE TREATMENT							AFTER TREATMENT
	Number of samples	Agar plate count per ml.		Coliform count		Escherichia coli		Number of samples	Agar plate count per ml.		Coliform count	E. coli
		Agar plate count per ml.		Coliform count		count			Agar plate count per ml.		Coliform count	count
		20-24 hours at 37°C.	3 days at 22°C.	Per cent. samples negative in 100 ml.	Count per 100 ml.	Per cent. samples negative in 100 ml.	Count per 100 ml.		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.
All Thames-derived								3,888	7.3	—	99.92	100.0
Eynsford No. 1	191	0.2	10	53.40	3.7	99.48	—	240	0.6	3	99.58	100.0
Eynsford No. 2	123	0.0	1	96.75	0.1	99.19	—	240	0.6	3	99.58	100.0
HortonKirbyNo. 1	189	0.0	11	93.12	0.2	96.83	—	256	0.0	2	100.0	100.0
HortonKirbyNo.2	237	0.2	3	96.20	0.4	97.89	0.1	256	0.0	2	100.0	100.0
Jewels Wood	51	0.0	23	98.04	—	100.0	—	53	0.0	2	98.11	100.0
Lullingstone No. 1	130	0.0	1	100.0	—	100.0	—	255	0.0	9	100.0	100.0
Lullingstone No. 2	120	0.2	3	99.17	—	99.17	—	255	0.0	9	100.0	100.0
North Orpington No. 1	189	1.8	54	5.82	32.	24.34	7.2	257	0.5	6	100.0	100.0
North Orpington No. 2	164	2.3	49	3.66	40.	31.10	11.	257	0.5	6	100.0	100.0
Orpington	264	0.0	39	98.37	0.1	98.78	—	252	0.1	40	100.0	100.0
Shortlands No. 1	166	0.2	24	100.0	—	100.0	—	252	0.1	8	100.0	100.0
Shortlands No. 2	193	0.0	1	99.48	—	100.0	—				100.0	100.0
Shortlands No. 3	109	0.0	3	99.08	—	99.08	—				100.0	100.0
Sundridge No. 1	54	0.0	2	98.15	—	98.15	—	253	0.1	8	99.60	100.0
Sundridge No. 2	51	0.0	1	100.0	—	100.0	—
Sundridge No. 3	116	0.1	2	100.0	—	100.0	—
Sundridge No. 4	105	0.0	2	100.0	—	100.0	—
West Wickham	239	0.0	7	99.58	0.1	99.58	—	242	—	1	100.0	100.0