Disinfection byproducts · 2023
HAA5 in San Gabriel Valley Water Co-montebello 1 — El Monte, Ca, CA tap water
San Gabriel Valley Water Co-montebello 1 — El Monte, Ca, CA's 2023 HAA5 measurement is below the federal limit of 60 ug/L (MCL).
The measurement
| Statistic | Value | Federal limit |
|---|---|---|
Range Groundwater | 0–4 ug/L | 60 ug/L MCL |
Average Groundwater | 2.7 ug/L | 60 ug/L MCL |
Range Purchased Surface Water | 1.7–8.9 ug/L | 60 ug/L MCL |
Average Purchased Surface Water | 6 ug/L | 60 ug/L MCL |
Verbatim from San Gabriel Valley Water Co-montebello 1 — El Monte, Ca, CA's 2023 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 San Gabriel Valley Water Co-montebello 1 — El Monte, Ca, CA compares
2 of the 241 CA 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 San Gabriel Valley Water Co-montebello 1 — El Monte, Ca, CA tap water?
Yes — San Gabriel Valley Water Co-montebello 1 — El Monte, Ca, CA's 2023 Consumer Confidence Report lists HAA5 at 6 ug/L. San Gabriel Valley Water Co-montebello 1 — El Monte, Ca, CA's 2023 HAA5 measurement is below the federal limit of 60 ug/L (MCL).
+What's the federal limit for HAA5 in drinking water?
The federal MCL for HAA5 is 60 ug/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?
2 of the 241 CA systems on The Water Map measuring HAA5 report it at or above the federal limit. Examples include Sweetwater Authority — Chula Vista, Ca, CA, St. Helena, City of — St. Helena, Ca, CA.
+Where does this HAA5 measurement come from?
This page reproduces the HAA5 entry from the 2023 Consumer Confidence Report published by the San Gabriel Valley Water Co-montebello 1 — El Monte, 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/san-gabriel-valley-water-co-montebello-1-el-monte-ca/2023/source.