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




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 1998 - SEP 1998 17.4
WTP #2 613 Surface Water JUL 1998 - SEP 1998 19.6



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 1998 - SEP 1998 54.2

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 1998 - SEP 1998 59.4



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 1998 - SEP 1998 46.3
Jasper Water Treatment Plant 659 Surface Water JUL 1998 - SEP 1998 33.4



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 1998 - SEP 1998 32.6
Northeast Water Treatment Plant 653 Surface Water JUL 1998 - SEP 1998 28.2



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 JUL 1998 - SEP 1998 38.9
Green Water Treatment Plant 656 Surface Water JUL 1998 - SEP 1998 40.1
Ullrich Water Treatment Plant 655 Surface Water JUL 1998 - SEP 1998 25.8



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 1998 - SEP 1998 35.1

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Water Treatment Plant 636 Surface Water JUL 1998 - SEP 1998 70.7



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 1998 - SEP 1998 33.7



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 1998 - SEP 1998 18.9
Rolling Hills WTP 646 Surface Water JUL 1998 - SEP 1998 33.5



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 1998 - SEP 1998 9.3

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 1998 - SEP 1998 45.5
East Water Purification Plant III 630 Surface Water JUL 1998 - SEP 1998 57
Southeast Water Purification Plant 632 Surface Water JUL 1998 - SEP 1998 17.4



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 1998 - SEP 1998 70.9



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 1998 - SEP 1998 21.1

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentr ation (ppb)
Lubbock Surface Water Treatment Plant 638 Surface Water JUL 1998 - SEP 1998 44



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 1998 - SEP 1998 31.7



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 1998 - SEP 1998 53.8
Riverside Water Treatment Facility 640 Surface Water JUL 1998 - SEP 1998 59.6



Dallas Water Utilities

Water Type - SURFACE WATER
(Treated Water)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Bachman Wate r Treatment Plant 620 Surface Water JUL 1998 - SEP 1998 26.6
East Side Water Treatment Plant 618 Surface Water JUL 1998 - SEP 1998 79.8



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 1998 - SEP 1998 5.4
Mesilla Bolson Aquifier 749 Ground Water JUL 1998 - SEP 1998 36.2

Water Type - SURFACE WATER
(Treated Wate r)

Plant Name Plant ID Water Type Quarter Total Trihalomethanes Concentration (ppb)
Canal Plant 626 Surface Water JUL 1998 - SEP 1998 94.3
J. W. Rogers Plant 625 Surface Water JUL 1998 - SEP 1998 46.9



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 1998 - SEP 1998 19.8



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 1998 - SEP 1998 66



San Antonio Water System

NO DATA - Click here to find out why.



TR INITY 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?
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