Disinfection byproducts · 2024
TTHM in Fishers, IN tap water
Fishers, IN's 2024 TTHM measurement is below the federal limit of 80 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Maximum System-wide | 29.1 ug/L | 80 ug/L MCL |
Range System-wide | 20.2–29.1 ug/L | 80 ug/L MCL |
Maximum System-wide | 40.9 ug/L | 80 ug/L MCL |
Average System Wide [Avg] | 36 ug/L | 80 ug/L MCL |
Range System-wide | 28.5–40.9 ug/L | 80 ug/L MCL |
Average System Wide [Avg] | 25 ug/L | 80 ug/L MCL |
Maximum System-wide | 28.2 ug/L | 80 ug/L MCL |
Range System-wide | 21.7–28.2 ug/L | 80 ug/L MCL |
Average System Wide [Avg] | 32 ug/L | 80 ug/L MCL |
Maximum System-wide | 33.3 ug/L | 80 ug/L MCL |
Range System-wide | 27.2–33.3 ug/L | 80 ug/L MCL |
Average System-wide | 51 ug/L | 80 ug/L MCL |
Maximum Maximum of All Samples | 58 ug/L | 80 ug/L MCL |
Range System-wide | 22–70 ug/L | 80 ug/L MCL |
Average System-wide | 11 ug/L | 80 ug/L MCL |
Maximum Maximum of All Samples | 11 ug/L | 80 ug/L MCL |
Range System-wide | 11 ug/L | 80 ug/L MCL |
Average System-wide | 19 ug/L | 80 ug/L MCL |
Maximum Maximum of All Samples | 27 ug/L | 80 ug/L MCL |
Range System-wide | 7.9–37 ug/L | 80 ug/L MCL |
Average System-wide | 8.8 ug/L | 80 ug/L MCL |
Maximum Maximum of All Samples | 10 ug/L | 80 ug/L MCL |
Range System-wide | 7.6–10 ug/L | 80 ug/L MCL |
Verbatim from Fishers, IN's 2024 Consumer Confidence Report — source document ↗
About TTHM
Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter.
Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.
How Fishers, IN compares
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People also ask
+Is there TTHM in Fishers, IN tap water?
Yes — Fishers, IN's 2024 Consumer Confidence Report lists TTHM at 51 ug/L. Fishers, IN's 2024 TTHM measurement is below the federal limit of 80 ug/L (MCL).
+What's the federal limit for TTHM in drinking water?
The federal MCL for TTHM is 80 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is TTHM?
Total trihalomethanes — a group of four chemicals (including chloroform) formed when chlorine reacts with natural organic matter. Long-term exposure above the federal limit is linked to liver, kidney, and central-nervous-system effects and increased cancer risk.
+Where does this TTHM measurement come from?
This page reproduces the TTHM entry from the 2024 Consumer Confidence Report published by the Fishers, IN water utility — the annual drinking-water report every U.S. utility is required by federal law to publish. The original source document is archived at /water/in/fishers/2024/source.