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EF/ ICR Logo Levels of Treated Water Haloacetic Acids 5 for CONNECTICUT
OCTOBER - DECEMBER 1998


REMINDER: Data Purpose: The ICR data were collected as part of a national research project to support development of national drinking water standards. They should NOT be used to determine local water systems compliance with drinking water standards, nor should they be used to make personal judgements about individual health risks.

Units: Sample measurements are taken in micrograms per Liter (ug/L) and are regulated in milligrams per Liter (mg/L). A microgram per Liter is equivalent to one contaminant part per billion (ppb). A ppb can be thought of as one grain of salt in a swimming pool. Data for Total Trihalomethanes, haloacetic acids 5, and bromate are presented in ppb. 1 mg/L = 1000 ug/L, or 0.080 mg/L = 80 ug/L = 80 ppb, which happens to be the TTHM standard in the Stage 1 DBP Rule.

Results of Zero: A result of zero may indicate that a sample was analyzed, but that the result was less than the lowest value that the analytical method can reliably report.




BHC Company

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Haloacetic Acids 5 Concentration (ppb)
D.W. Loiselle - Trap Falls WTP 263 Surface Water OCT 1998 - DEC 1998 42.3
Easton Water Treatment Plant 262 Surface Water OCT 1998 - DEC 1998 26.7
Hemlocks Water Treatment Facility 261 Surface Water OCT 1998 - DEC 1998 43



Regional Water Authority

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Haloacetic Acids 5 Concentration (ppb)
Lake Gaillard Water Treatment Plant 266 Surface Water OCT 1998 - DEC 1998 52.7
Lake Saltonstall Water Treatment Plant 267 Surface Water OCT 1998 - DEC 1998 26.4
West River Water Treatment Plant 268 Surface Water OCT 1998 - DEC 1998 34.3



THE METROPOLITAN DISTRICT

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Haloacetic Acids 5 Concentration (ppb)
RESERVOIR #6 PLA NT 265 Surface Water OCT 1998 - DEC 1998 16.5
WEST HARTFORD SLOW SAND FILTERS 264 Surface Water OCT 1998 - DEC 1998 18.2



WATERBURY BUREAU OF WATER

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Haloacetic Acids 5 Concentration (ppb)
Waterbury Water Treatment Plant 269 Surface Water OCT 1998 - DEC 1998 59.6



Results for mixed water (ground water and surface water) and purchased water can be found under water system summary reports.

How does this state's treated water compare to treated waters nationally for haloacetic acids 5?
View national data for the same month.

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