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

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.




Chester Water Authority

Water Type - SURFACE WATER
( Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Octoraro Treatment Plant 557 Surface Water JUL 1998 - SEP 1998 71.6



City of Allentown

NO DATA - Click here to find out why.



City of Bethlehem DPW

NO DATA - Click here to find out why.



Erie City Water Authority

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Chestnut Treatment Plant 573 Surface Water JUL 1998 - SEP 1998 33.1
West Treatmrnt Plant 572 Surface Water JUL 1998 - SEP 1998 17



MUNICIPAL AUTHORITY OF WESTMORELAND CO.

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
INDIAN CREEK WATER TREATMENT PLANT 569 Surface Water JUL 1998 - SEP 1998 45.7



Metropolitan Lancaster Authority

NO DATA - Click here to find out why.



PA-American Water Co-Pittsburgh Area

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
E. H. Aldrich Station 566 Surface Water JUL 1998 - SEP 1998 123.6
Hays Mine Station 565 Surface Water JUL 1998 - SEP 1998 105.2



PAWC - Lake Scranton

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Lake Scranton 706 Surface Water JUL 1998 - SEP 1998 47.8



Philadelphia Suburban Water Company

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concent ration (ppb)
Crum Creek 552 Surface Water JUL 1998 - SEP 1998 36.6
Neshaminy 555 Surface Water JUL 1998 - SEP 1998 93.9



Philadelphia Water Department

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Belmont Treatment Plant 560 Surface Water JUL 1998 - SEP 1998 84.9



Pittsburgh Water and Sewer Authority

NO DATA - Click here to find out why.



THE YORK WATER CO MPANY

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
FILTER PLANT 576 Surface Water JUL 1998 - SEP 1998 30.2



WEST VIEW MUNICIPAL WATER AUTHORITY

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
NEVILLE ISLAND TREATMENT PLANT 567 Surface Water JUL 1998 - SEP 1998 53.8



WILKINSBURG-PENN JOINT WATER AUTHORITY

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
WILKINSBURG-PENN JOINT WATER AUTHORITY 568 Surface Water JUL 1998 - SEP 1998 106



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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