IMPORTANT INFORMATION ABOUT YOUR DRINKING WATER Total Trihalomethanes (TTHM) MCL Violations City of Apalachicola Our water system recently violated a drinking water standard. Although this …

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IMPORTANT INFORMATION ABOUT YOUR DRINKING WATER

Total Trihalomethanes (TTHM) MCL Violations

City of Apalachicola

Our water system recently violated a drinking water standard. Although this incident was not an emergency, as our customers, you have a right to know what happened, what you should do, and what the City of Apalachicola is doing to correct this situation at the City's Water System.

We are required to monitor for the presence of disinfection byproducts (DBPs) on a quarterly basis. Sampling results from July 2020 December 2021 show that our system exceeds the standard or maximum contaminant level (MCL), for total trihalomethanes (TTHM). The standard for TTHM is 80 micrograms per liter (µg/L). Compliance is determined by a locational running annual average (LRAA) of quarterly analytical results collected at designated monitoring locations. During the second quarter 2021 sampling event, the average level of TTHM at our Bay City Lodge and Market Street monitoring locations were 107.75 µg/L and 88.42 µg/L, respectively. Additionally, during the third quarter 2021 sampling event, the average level of TTHM at our Bay City Lodge was 91.02 µg/L. During the fourth quarter 2021 compliance period, the LRAA at Bay City Lodge was 81.43 µg/L.

What should I do?

• There is nothing you need do unless you have a severely compromised immune system, are pregnant, or are elderly. These individuals may be at increased risk and should seek advice about drinking water from their health care providers.

• You do not need to boil your water or take other corrective actions. If a situation arises where the water is no longer safe to drink, you will be notified within 24 hours. We will announce any emergencies on Oyster Radio Station, WOYS or our City of Apalachicola facebook page.

What does this mean?

This is not an emergency. If it had been an emergency, you would have been notified within 24 hours. When disinfectants are used in the treatment of drinking water, disinfectants react with naturally occurring organic and inorganic matter present in the water to form DBPs. People who drink water containing trihalomethanes in excess of the MCL over many years may experience problems with their liver, kidneys, or central nervous system, and may have an increased risk of getting cancer.

What is being done?

Describe corrective actions you are taking. You may include the following statements, if appropriate, or develop your own text:

* The City entered into a second amended Consent Order (Order) with the Florida Department of Environmental Protection (FDEP) on July 13, 2020. The Order requires all corrective actions be completed as necessary to remove this contaminant or reduce it to acceptable levels by April 2023.

* Since March the City has dismantled the 14th Street water tank to reduce Total Trihalomethanes in our

water. Additional flushing stations have also been installed, and the City has fixed two dead-end water lines, which can also cause Total Trihalomethane problems.

For more information, please contact: William Cox of the City of Apalachicola at 850.370.0014.

This notice is being sent to you by City of Apalachicola. Potable Water System ID#: 1190150.

Date distributed:12/30/21

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