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Attention Lometa Customers:

Sep 01, 2021
Dear Customer:
As you may recall, we are required by the Texas Commission on Environmental Quality (TCEQ) to provide you a letter every three (3) months if the annual average of total trihalomethanes in the drinking water being supplied exceeds 0.080 mg/L. Test samples are taken each quarter at two locations within the distribution system.

The reported sample results for the past four (4) quarters are shown below.
Sample Quarter Sample Site 01 Sample Site 02
3rd quarter 2021 0.0457 mg/L 0.0513 mg/L
2nd quarter 2021 0.107 mg/L 0.0934 mg/L
1st quarter 2021 0.0986 mg/L 0.104 mg/L
4th quarter 2020 0.145 mg/L 0.105 mg/L
Average 0.0991 mg/L 0.0884 mg/L

Trihalomethanes occur when carbon-based compounds that naturally occur in surface water interact with the chlorine used to disinfect the water. Water chemistries can be very complex and we have worked to optimize the treatment process. We have made several improvements in the treatment process, however, these improvements have not been enough to address results from test site 01 and have not been enough to achieve consistent compliance at test site 02.

We are currently working with our engineers to design a new treatment plant for Lometa that should consistently keep the trihalomethanes in compliance. We will keep you apprised of the progress of the plans.

The following is the official notification required by TCEQ. Please note that possible health issues may result from decades of drinking water in excess of the Maximum Contaminant Level (MCL) but are not associated with occasional high values.

Also, please note that you will continue to receive the required notification until the average of the last 4 quarters test results at all sample sites is less than 0.080 mg/L.
The Texas Commission on Environmental Quality (TCEQ) has notified the LOMETA REGIONAL WATER SYSTEM TX 1410002 that the drinking water being supplied to customers had exceeded the Maximum Contaminant Level (MCL) for total trihalomethanes.

The U.S. Environmental Protection Agency (U.S. EPA) has established the MCL for total trihalomethanes to be 0.080 milligrams per liter (mg/L) based on locational running annual average (LRAA), and has determined that it is a health concern at levels above the MCL. Analysis of drinking water in your community for total trihalomethane  indicates a compliance value in quarter three 2021 of 0.099 mg/L for DBP2-01 and 0.088 mg/L for DBP2-02. Trihalomethanes are a group of volatile organic compounds that are formed when chlorine, added to the water during the treatment process for disinfection, reacts with naturally-occurring organic matter in the water.