120 
TYPHOID FEVER IH DISTRICT OF COLE^MBIA. 
No. 133. 
Location. — Eleventh, street NE. (opposite East Capitol, east side). 
Kind. — Iron. 
Condition. — Old; rotten at base; pipe drain to sewer. 
Depth. — Deep; below surface, 191 feet; water, 70 feet. 
Sewer. — Depth, 10 feet; distance from well, 75 feet. 
Privies. — None within three blocks. 
Bacteriologically. — Good. 
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. 
956 
Oct. 11 
Occasionally 
? 
No. 134. 
Location. — Twelfth and K streets NE. (northwest corner). 
Kind. — Iron. 
Condition. — Fair; pipe drain to sewer. 
Depth. — Deep; below sm’face, 188 feet; water, 153 feet. 
Sewer. — Depth, 25 feet; distance from well, 50 feet. 
Privies. — Fom’ within two blocks. 
Bacteriologically. — Good. 
Chemically. — Unpolluted. 
No. 136. 
Location. — Seventh street and Maryland avenue NE. 
Kind. — Iron. 
Condition. — Old; cracked; pipe drain to sewer. 
Depth. — Deep; below surface, 232 feet; water, 158 feet. 
Sewer. — Depth, 16 feet; distance from well, 5 feet. 
Privies. — None within three blocks. 
Bacteriologically. — Good; practically sterile. 
Chemically. — Unpolluted. 
No. 140. 
Location. — B and Warren streets NE. (northwest corner). 
Kind. — Iron. 
Condition. — Bricks loose at base; cracked middle third; pipe drain to sewer. 
Depth. — Deep; below surface, 125 feet; water, 70 feet. 
Sewer. — Depth, 6 feet; distance from well, 5 feet. 
Privies. — Twelve within radius of one block. None in same block. (?) 
Bacteriologically. — Good. 
Chemically. — Unpolluted. 
No. 141. 
Location. — Fifteenth street and Maryland avenue NE. (northwest ’corner). 
Kind. — Iron. 
Co'Tidition. — Fair; pipe drain to sewer. 
Depth. — Deep; below surface, 197 feet; water, 166 feet. 
Sewer. — Depth, 10 feet; distance from well, 5 feet. 
