TYPHOID FEVER IN DISTRICT OF COLUMBIA. 
143 
No. 139. 
Location. — L street between Thirteenth and Fourteenth streets SE. (south side). 
Kind. — ^Wood. 
Condition. — Fair; bricks loose at base; water obtained only after long pumi)ing and 
very little used; surface drainage. 
Depth. — Below surface, 25 feet; water, 4 feet. 
Sewer. — Depth, 12 feet; distance from well^ 40 feet. 
Privies. — Seven in block; 11 within one and one-half blocks. 
Bacteriologically. — Indicates sewage pollution; variable. 
Chemically. — Polluted . 
No. 145. 
Location. — Eleventh street and South Carolina avenue SE. (southwest corner). 
Kind. — ^V^^ood. 
Condition. — Old; slightly rotten at base; poor stream of water; pipe drain to sewer. 
Depth. — ^Below surface, 28 feet; water, 4 feet. 
Sewer. — Depth, 8 feet; distance from well, 60 feet. 
Privies. — One in opposite block. 
Bacteriologically . — Indicates sewage pollution; variable. 
Chemically. — Polluted. 
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. 
774 
Sent. 5 
Frequently 
? 
No. 146. 
Location. — I street, between Eleventh and Twelfth streets SE. (south side). 
Kind. — ^Wood. 
Condition.— 0\d] pipe drain to sewer. 
Depth. — Below surface, 26 feet; water, 15 feet. 
Sewer. — Depth, 10 feet; distance from well, 30 feet. 
Privies. — One in opposite block. 
Bacteriologically . — Fair. 
Chemically. — Bemote pollution. 
The following 4 cases 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. 
180 
June 5 
Frequently 
9 
315 
July 15 
July 25 
July 28 
Occasionally 
? 
397 
do « 
? 
445 
do 
? 
No. 183. 
Location. — Hamilton road, opposite Jewish Cemetary, Hillsdale, D. C. 
Kind. — Wood. 
Condition. — Good; set on brick base; surface drainage, not connected with sewage 
system. 
Depth. — No data. 
Sewer. — None in neighborhood. 
