TYPHOID FEVER IN DISTRICT OF COLUMBIA. 
137 
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. 
709 
Aug. 26 
Occasionally 
?. 
No. 24. 
Location. — Fourth and E streets NE. (northwest corner). 
Kind. — Wood. 
Condition. — Rotten at base; pipe drain to sewer. 
Depth. — Below surface, 26 feet; water, 4 feet. 
Sewer. — Depth, 9| feet; distance from well, 10 feet. 
Privies. — One in block diagonally opposite. 
Bacteriologically . — Indicates sewage pollution; variable. 
Chemically. — Polluted . 
No. 26. 
Location. — Second and G streets NE. (northeast corner). 
Kind.— Wood. 
Condition. — Old; pipe drain to sewer. 
Depth. — Below surface, 29 feet; water, feet. 
Sewer. — Depth, 9 feet; distance from well, 20 feet. 
Privies. — None in block; 2 within two blocks. 
Bacteriologically. — Fair. 
Chemically. — Remote pollution. 
The following 2 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. 
314 
July 10 
July 15 
Frequently 
9 
337 
.*.do 
? 
No. 28. 
Location. — Sixth and C streets NE. (northwest corner). 
Kind. — Wood. 
Condition. — Old, cracked, rotten at base; pipe drain to sewer. 
Depth. — Below surface, 34 feet; water, 5 feet. 
Sewer. — Depth, 9J feet; distance from well, 50 feet. 
Privies. — None within two blocks. 
Bacteriologically. — Fair. 
Chemically. — Remote pollution. 
No. 38. 
Location. — E street between Eighth and Ninth streets NE. (north side). 
Kind. — ^Wood. 
Condition. — Cracked, rotten at base; surface drainage to sewer. 
Depth. — Below surface, 18 feet; water, 4 feet. 
Sewer. — Depth, 9^ feet; distance from well, 10 feet. 
Privies. — None in block; 2 within two and one-half blocks. 
Bacteriologically. — Indicates surface contamination; variable. 
Chemically. — Polluted. 
