TYPHOID FEVER TH DISTRICT OF COLUMBIA. 
121 
Privies. — Two within two blocks. 
Bacteriologically. — Good. 
Chemically. — Unpolluted. 
No. 143. 
Location. — Woodward and Fairview avenues NE. (Fairview, D. C.). 
Kind. — Iron. 
Condition. — Fair; surface drainage; water stands in stagnant pools about well; 
bricks loose at base. 
Depth. — Deep; below surface, 175 feet; water, 45 feet. 
Sewer. — None in neighborhood. 
Privies. — Six within two blocks. 
Bacteriologically. — Good. 
Chemically. — Unpolluted . 
DEEP WELLS — SOUTHWEST SECTION. 
No. 53. 
Location. — Seventh and H streets SW. (southeast corner). 
Kind. — Iron. 
Condition. — Cracked middle third; pipe drain to sewer. 
Depth. — Deep; below surface, 144 feet; water, 109 feet. 
Sewer. — Depth, 12 feet; distance from well, 5 feet. 
Bacteriologically. — Good; practically sterile. 
Chemically. — Unpolluted . 
The following two 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. 
353 
383 
July 12 
June 13 
Occasionally 
? 
? 
do 
No. 107. 
Location . — Sixth and G streets SW. (southeast corner). 
Kind. — Iron. 
Condition. — Fair; pipe drain to sewer. 
Depth. — Deep; below surface, 145 feet; water, (?). 
Sewer. — Depth, 10 feet; distance from well, 35 feet. 
Privies . — Three in block; 2 within one and one-half blocks. 
Bacteriologically. — Good. 
Chemically. — Unpolluted. 
No. 108. 
Location . — Half and T streets SW. (northeast corner). 
Kind. — Iron. 
Condition. — Good; pipe drain to underground drain. 
Depth. — Deep; below surface, 207^ feet; water, 180| feet. 
Sewer . — None within four blocks. 
Privies . — Four in same block; 3 more within two blocks. 
Bacteriologically. — Good. 
Chemically . — U npolluted . 
