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EF/ ICR Logo Levels of Treated Water Total Trihalomethanes for TEXAS
OCTOBER - DECEMBER 1997


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.




BROWNSVILLE PUBLIC UTILITIES BOARD

Water Type - SURFACE WATER
(Treat ed Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
WTP #1 614 Surface Water OCT 1997 - DEC 1997 15.4
WTP #2 613 Surface Water OCT 1997 - DEC 1997 23.5



Bell County WCID#1

NO DATA - Click here to find out why.



CITY OF AMARILLO

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
OSAGE WATER TREATMENT PLANT 642 Surface Water OCT 1997 - DEC 1997 53.4



CITY OF WICHITA FALLS

NO DATA - Click here to find out why.



City of Abilene Water Utilities

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Grimes Water Treatment Plant 652 Surface Water OCT 1997 - DEC 1997 36.3
Northeast Water Treatment Plant 653 Surface Water OCT 1997 - DEC 1997 21.7



City of Arlington Water Utilities

NO DATA - Click here to find out why.



City of Austin

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Davis Water Treatment Plant 654 Surface Water OCT 1997 - DEC 1997 63.8
Green Water Treatment Plant 656 Surface Water OCT 1997 - DEC 1997 40.9
Ullrich Water Treatment Plant 655 Surface Water OCT 1997 - DEC 1997 41.2



City of Beaumont

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Loeb Pump Station 637 Ground Water OCT 1997 - DEC 1997 21.1

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Water Treatment Plant 636 Surface Water OCT 1997 - DEC 1997 36.4



City of Corpus Christi

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
O. N. Stevens Water Treatment Plant 641 Surface Water OCT 1997 - DEC 1997 49.9



City of Fort Worth Water Department

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Eagle Mountain WTP 649 Surface Water OCT 1997 - DEC 1997 21
Rolling Hills WTP 646 Surface Water OCT 1997 - DEC 1997 39.6



City of Houston, Main System

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Evangeline Aquifer- Katy Addicks Plant 633 Ground Water OCT 1997 - DEC 1997 4.4

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
East Water Purification Plant 1 631 Surface Water OCT 1997 - DEC 1997 31.5
East Water Purification Plant III 630 Surface Water OCT 1997 - DEC 1997 41.8
Southeast Water Purification Plant 632 Surface Water OCT 1997 - DEC 1997 13.7



City of Laredo, Texas

NO DATA - Click here to find out why.



City of Lubbock Water Utilities

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Sandhills Wellfield 751 Ground Water OCT 1997 - DEC 1997 29.4

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Lubbock Surface Water Treatment Plant 638 Surface Water OCT 1997 - DEC 1997 34.1



City of Odessa

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
City of Odessa WTP 702 Surface Water OCT 1997 - DEC 1997 37.6



City of Waco Utility Department

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Mt. Carmel Water Treatment Plant 639 Surface Water OCT 1997 - DEC 1997 59.7
Riverside Water Treatment Facility 640 Surface Water OCT 1997 - DEC 1997 68.4



Dallas Water Utilities

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Bachman Water Treatment Plant 620 Surface Water OCT 1997 - DEC 1997 37.8
East Side Water Treatment Plant 618 Surface Water OCT 1997 - DEC 1997 53.3
Elm Fork Water Treatment Plant 619 Surface Water OCT 1997 - DEC 1997 9.6



El Paso Water Utilities

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Hueco Bolson Aquifier 748 Ground Water OCT 1997 - DEC 1997 5.8
Mesilla Bolson Aquifier 749 Ground Water OCT 1997 - DEC 1997 21.1



McAllen Public Utilities

NO DATA - Click here to find out why.



North Texas Municipal Water District

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
NTMWD Wylie Water Treatment Plant 617 Surface Water OCT 1997 - DEC 1997 83.3



San Antonio Water System

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Wurzbach 611 Ground Water OCT 1997 - DEC 1997 12.1



TRINITY RIVER AUTHORITY ofTEXAS

NO DATA - Click here to find out why.



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 m onth.


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