136 
TYPHOID FEVER IN DISTRICT OF COLUMBIA. 
No. 226. 
Location. — Brightwood avenue near District line, in front of Jones’s blacksmith shop. 
Acind.— Wood. 
Condition. —Very bad; surface drainage. 
Depth. — Below surface, 18 feet; water, 3 feet. 
Sewer. — None in neighborhood. 
Privies. — None in neighborhood (?). 
Bacteriologically. — Indicates surface pollution; variable. 
Chemically. — Unpolluted. 
The following case of typhoid fever drank the water of this well: 
Case 
No. 
Onset of 
disease. 
During the 30 days preceding onset of disease used the well water — 
Probable source of 
infection. 
495 
July 31 
Occasionally 
Contact with case 
out of District of 
Columbia. 
No. 235. 
Location. — Hurst and Elliott places NW. (northeast corner). 
Kind. — “ Common sense;” new, 1901. 
Condition. — Good. 
Depth. — Below surface, 21 \ feet; water, 4| feet. 
Sewer. — None in neighborhood; canal about 100 feet distant. 
Privies. — Two within two blocks. 
Bacteriologically. — Indicates surface contamination. 
Chemically . — Polluted . 
Location. — Tenleytown road, Tenleytown, D. C. 
Kind. — Wood. 
Condition. — Broken; not in use this summer. 
Depth. — No data. 
Sewer. — None in neighborhood. 
Privies. — There are about 45 north and northeast of the well, the nearest being 
about three blocks away; 1 in same block. 
Location. — Fort Slocum School, Lamont’s, Blair road, Takoma, D. C. 
Depth. — No data. 
Sewer. — None in neighborhood. 
Privies. — Nearest, three blocks. 
SHALLOW WELLS — NORTHEAST SECTION. 
No. 23. 
Location. — Third and D streets NE. (northwest corner). 
Kind. — Wood . 
Condition. — Fair; pipe drain to sewer. 
Depth. — Below surface, 24 feet; water, 3 feet. 
Sewer. — Depth, 12 J feet; distance from well, 0 feet. 
Privies. — None in block; 5 within two blocks. 
Bacteriologically . — Fair. 
Chemically. — Remote pollution. 
