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EF/ ICR Logo Levels of Treated Water Total Trihalomethanes for ALABAMA
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.

Calculation in Regulations is Different: Comparisons with compliance calculations based on the existing Total Trihalomethanes standard in CFR Part 141.30 may not be warranted since the standard i s based on an annual average of public water system quarterly averages and not on treatment plant results as shown here. Also the results here are based on different types of samples.

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.




Birmingham Water Works

Water Type - SURFACE WATER
(Tre ated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Carson Filter Plant 106 Surface Water OCT 1998 - DEC 1998 46.6
Putnam Water Treatment Plant 105 Surface Water OCT 1998 - DEC 1998 57.2
Shades Mountain Water Treatment Plant 103 Surface Water OCT 1998 - DEC 1998 55.8
Western Filter Plant 104 Surface Water OCT 1998 - DEC 1998 72.2



City of Tuscaloosa, Water and Sewer Dept

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Ed E. Love Water Treatment Plant 113 Surface Water OCT 1998 - DEC 1998 33.2



HUNTSVILLE UTILITIES WATER SYSTEM

NO DATA - Click here to find out why.



Mobile Area Water and Sewer System

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
E.M. Stickney Water Treatment Plant 110 Surface Water OCT 1998 - DEC 1998 95.4
H.E. Myers Water Treatment PLant 111 Surface Water OCT 1998 - DEC 1998 81.6



WATER WORKS BOARD of Montgomery

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
DAY STREET PUMPING STATION 729 Ground Water OCT 1998 - DEC 1998 19.2

Water Type - SURFACE WATE R
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
C. T. PERRY FILTER PLANT 112 Surface Water OCT 1998 - DEC 1998 48.6



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 Total Trihalomethanes?
View national data for the same month.

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