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EF/ ICR Logo Levels of Treated Water Haloacetic Acids 5 for CONNECTICUT
JULY - SEPTEMBER 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 - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Haloacetic Acids 5 Concentration (ppb)
Housatonic Wells 746 Ground Water JUL 1998 - SEP 1998 9.9

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 JUL 1998 - SEP 1998 35.6
Easton Water Treatment Plant 262 Surface Water JUL 1998 - SEP 1998 47.7
Hemlocks Water Treatment Facility 261 Surface Water JUL 1998 - SEP 1998 84.3



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 JUL 1998 - SEP 1998 47.8
Lake Saltonstall Water Treatment Plant 267 Surface Water JUL 1998 - SEP 1998 32.6
West River Water Treatment Plant 268 Surface Water JUL 1998 - SEP 1998 36.9



THE METROPOLITAN DISTRICT

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Haloacetic Acids 5 Concentration (ppb)
RESERVOIR #6 PLANT 265 Surface Water JUL 1998 - SEP 1998 17.6
WEST HARTFORD SLOW SAND FILTERS 264 Surface Water JUL 1998 - SEP 1998 44



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 JUL 1998 - SEP 1998 62.9



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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