Transactions of the American Society of Civil Engineers, vol. LXXII, June, 1911 / Water Purification Plant, Washington, D. C. Results of Operation. - American Society of Civil Engineers; E. D. Hardy

Table 9.
(A) Number of Deaths from Typhoid Fever, by Months, in the District of Columbia for the Last Fourteen Fiscal Years.
Fiscal year.	July.	August.	September.	October.	November.	December.	January.	February.	March.	April.	May.	June.	Total.
1896‑97	8	15	25	25	18	16	13	4	4	4	6	9	147
1897‑98	10	16	18	10	9	18	8	4	2	9	6	20	130
1898‑99	24	22	22	28	21	16	10	4	7	6	3	6	169
1899‑1900	9	38	30	28	27	26	17	6	8	10	5	12	193
1901‑02	16	33	28	21	22	16	19	8	12	9	13	9	206
1902‑03	21	39	25	32	19	20	9	5	9	6	6	3	194
1903‑04	17	26	18	19	8	14	5	5	6	10	8	8	144
1904‑05	16	22	25	14	11	9	11	1	5	7	1	3	125
1905‑06[¹]	15	30	23	26	14	6	6	4	5	4	10	9	152
1906‑07	21	32	21	25	17	4	7	6	4	6	7	2	152
1907‑08	10	18	17	19	11	7	4	1	1	8	8	3	107
1908‑09	15	13	23	17	16	13	16	8	3	8	7	7	146
1909‑10	12	12	17	12	12	2	3	4	7	5	5	4	95

Average	15.3	25.5	22.9	21.5	16.6	13.1	9.6	4.4	5.8	6.7	6.4	7.5	155.4

Table 9—(*Continued.*)
(B) Number of Deaths from Typhoid Fever Reduced to Death Rates per 100,000 Inhabitants per Year.
Fiscal year.	July.	August.	September.	October.	November.	December.	January.	February.	March.	April.	May.	June.	Annual death rate.
1896‑97	35	65	109	109	78	70	56	17	17	17	26	39	53
1897-98	43	69	78	43	39	78	31	17	8	38	25	85	46
1898-99	102	93	93	119	89	68	42	17	29	25	12	26	59
1899‑1900	37	158	125	116	112	108	69	24	33	41	20	49	74
1900-01	82	167	118	102	114	69	28	8	32	8	16	40	65
1901-02	64	132	112	84	88	64	75	31	47	35	51	35	68
1902-03	83	153	98	126	75	79	35	19	35	23	23	12	63
1903-04	66	100	69	73	31	54	19	19	23	38	30	30	46
1904-05	61	83	95	53	42	34	41	4	19	26	4	11	39
1905-06	56	111	85	97	52	22	22	15	18	15	36	33	47
1906-07	69	105	69	82	56	13	24	20	13	20	24	7	42
1907-08	35	64	60	67	39	25	14	4	4	28	28	11	32
1908-09	53	45	80	60	56	45	56	28	10	28	24	24	43
1909-10	42	42	60	42	42	7	11	14	24	17	17	14	28

Average monthly death rate.	59	99	89	84	65	53	38	24	22	26	24	30	...