Disinfection byproducts · 2024
TTHM in Morgan County, IN tap water
Morgan County, IN's 2024 TTHM measurement is below the federal limit of 80 (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Average System-wide | 8.8 | 80 MCL |
Average System-wide | 51 | 80 MCL |
Range System-wide | 7.6–10 | 80 MCL |
Maximum Maximum of All Samples | 11 | 80 Action level |
Range System-wide | 11 | 80 Action level |
Range System-wide | 7.9–37 | 80 MCL |
Range System-wide | 22–70 | 80 MCL |
Average System-wide | 11 | 80 Action level |
Average System-wide | 19 | 80 MCL |
Maximum Maximum of All Samples | 58 | 80 MCL |
Maximum Maximum of All Samples | 10 | 80 MCL |
Maximum Maximum of All Samples | 27 | 80 MCL |
Verbatim from Morgan County, 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 Morgan County, IN compares
5 of the 395 systems measuring TTHM on The Water Map have it at or above the federal limit:
Nearby systems also reporting TTHM:
People also ask
+Is there TTHM in Morgan County, IN tap water?
Yes — Morgan County, IN's 2024 Consumer Confidence Report lists TTHM at 51. Morgan County, IN's 2024 TTHM measurement is below the federal limit of 80 (MCL).
+What's the federal limit for TTHM in drinking water?
The federal MCL for TTHM is 80 . 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.
+Which other U.S. cities have TTHM over the federal limit?
5 of the 395 systems on The Water Map measuring TTHM report it at or above the federal limit. Examples include Albuquerque, NM, City of Hemet, CA, City of Menifee, CA.
+Where does this TTHM measurement come from?
This page reproduces the TTHM entry from the 2024 Consumer Confidence Report published by the Morgan County, 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/morgan-county/2024/source.