Disinfection byproducts · 2021
HAA5 in North Tahoe Pud - Main — Tahoe Vista, Ca, CA tap water
North Tahoe Pud - Main — Tahoe Vista, Ca, CA's 2021 Consumer Confidence Report shows HAA5 at or above the federal limit (0.06 mg/L MCL). Measured value is 31.7× the threshold.
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Reported level Tahoe Main System System #33110001 Lake Tahoe Nat'l Ave | 1.9 mg/L | 0.06 mg/L MCL |
Verbatim from North Tahoe Pud - Main — Tahoe Vista, Ca, CA's 2021 Consumer Confidence Report — source document ↗
About HAA5
Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter.
Long-term exposure above the federal limit is associated with an increased cancer risk.
How North Tahoe Pud - Main — Tahoe Vista, Ca, CA compares
5 of the 1145 systems measuring HAA5 on The Water Map have it at or above the federal limit:
Nearby systems also reporting HAA5:
People also ask
+Is there HAA5 in North Tahoe Pud - Main — Tahoe Vista, Ca, CA tap water?
Yes — North Tahoe Pud - Main — Tahoe Vista, Ca, CA's 2021 Consumer Confidence Report lists HAA5 at 1.9 mg/L. North Tahoe Pud - Main — Tahoe Vista, Ca, CA's 2021 Consumer Confidence Report shows HAA5 at or above the federal limit (0.06 mg/L MCL). Measured value is 31.7× the threshold.
+What's the federal limit for HAA5 in drinking water?
The federal MCL for HAA5 is 0.06 mg/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.
+What is HAA5?
Haloacetic acids — a group of five disinfection byproducts formed when disinfectants react with organic matter. Long-term exposure above the federal limit is associated with an increased cancer risk.
+Which other U.S. cities have HAA5 over the federal limit?
5 of the 1145 systems on The Water Map measuring HAA5 report it at or above the federal limit. Examples include City of Roseville — Roseville, Ca, CA, Tejon Castac Wd - I5 & Laval Rd — Lebec, Ca, CA, Helendale Community Service District — Helendale, Ca, CA.
+Where does this HAA5 measurement come from?
This page reproduces the HAA5 entry from the 2021 Consumer Confidence Report published by the North Tahoe Pud - Main — Tahoe Vista, Ca, CA 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/ca/north-tahoe-pud-main-tahoe-vista-ca/2021/source.