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EF/ ICR Logo Levels of Treated Water Total Trihalomethanes for TEXAS
JULY - SEPTEMBER 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
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
WTP #1 614 Surface Water JUL 1997 - SEP 1997 13.3
WTP #2 613 Surface Water JUL 1997 - SEP 1997 22.9



Bell County WCID#1

NO DATA - Click here to find out why.



CITY OF AMARILLO

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
34TH AVE PUMP STATION 750 Ground Water JUL 1997 - SEP 1997 88.8

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
OSAGE WATER TREATMENT PLANT 642 Surface Water JUL 1997 - SEP 1997 94.4



CITY OF WICHITA FALLS

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Cypress Water Treatment Plant 658 Surface Water JUL 1997 - SEP 1997 44.7
Jasper Water Treatment Plant 659 Surface Water JUL 1997 - SEP 1997 20.9



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 JUL 1997 - SEP 1997 34.4
Northeast Water Treatment Plant 653 Surface Water JUL 1997 - SEP 1997 26.4



City of Arlington Water Utilities

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Southwest Water Treatment Plant 644 Surface Water JUL 1997 - SEP 1997 38.7



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 JUL 1997 - SEP 1997 63.2
Green Water Treatment Plant 656 Surface Water JUL 1997 - SEP 1997 59
Ullrich Water Treatment Plant 655 Surface Water JUL 1997 - SEP 1997 50.3



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 JUL 1997 - SEP 1997 36.2

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Water Treatment Plant 636 Surface Water JUL 1997 - SEP 1997 94.9



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 JUL 1997 - SEP 1997 59.3



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 JUL 1997 - SEP 1997 20.1
Rolling Hills WTP 646 Surface Water JUL 1997 - SEP 1997 28.8



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 JUL 1997 - SEP 1997 7.2

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 JUL 1997 - SEP 1997 52.4
East Water Purification Plant III 630 Surface Water JUL 1997 - SEP 1997 44.2
Southeast Water Purification Plant 632 Surface Water JUL 1997 - SEP 1997 235.6



City of Laredo, Texas

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Jefferson Street 657 Surface Water JUL 1997 - SEP 1997 65



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 JUL 1997 - SEP 1997 29.3

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 JUL 1997 - SEP 1997 46.5



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 JUL 1997 - SEP 1997 32.8



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 JUL 1997 - SEP 1997 81.8
Riverside Water Treatment Facility 640 Surface Water JUL 1997 - SEP 1997 86.1



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 JUL 1997 - SEP 1997 30.4
East Side Water Treatment Plant 618 Surface Water JUL 1997 - SEP 1997 62.6
Elm Fork Water Treatment Plant 619 Surface Water JUL 1997 - SEP 1997 20



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 JUL 1997 - SEP 1997 16.2
Mesilla Bolson Aquifier 749 Ground Water JUL 1997 - SEP 1997 59.1

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Canal Plant 626 Surface Water JUL 1997 - SEP 1997 75
J. W. Rogers Plant 625 Surface Water JUL 1997 - SEP 1997 59.5



McAllen Public Utilities

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
McAllen Southwest Water Plant 635 Surface Water JUL 1997 - SEP 1997 16.3



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 JUL 1997 - SEP 1997 63.5


San Antonio Water System

Water Type - GROUND WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Conc entration (ppb)
Wurzbach 611 Ground Water JUL 1997 - SEP 1997 8.9



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 month.


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