Jump to main content.
Treated Water Total Trihalomethanes Levels for DISTRICT OF COLUMBIA
Total Trihalomethanes samples were taken from ICR for the listed months. Click on one of the listed months to view a report.
JULY - SEPTEMBER 1997
OCTOBER - DECEMBER 1997
JANUARY - MARCH 1998
APRRIL - JUNE 1998
JULY - SEPTEMBER 1998
OCTOBER - DECEMBER 1998
Jump to main content.
![[logo] US EPA](../gif/logo_epaseal.gif){kind=logo}