Disinfection byproducts · 2023

N-Nitrosodi-n-butylamine in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water

Detected — no federal limit

Hawthorne-city Water Dept. — San Jose, Ca, CA's 2023 report shows N-Nitrosodi-n-butylamine detected, but the EPA has not set an enforceable federal limit for it.

The measurement

StatisticValue
Average
Skinner Plant
Not detected ug/L
Range
Skinner Plant
Not detected ug/L
Average
Diemer Plant
2.5 ug/L
Range
Jensen Plant
Not detected ug/L
Average
Mills Plant
Not detected ug/L
Average
Weymouth Plant
Not detected ug/L
Range
Mills Plant
Not detected ug/L
Average
Jensen Plant
Not detected ug/L
Range
Diemer Plant
2.5 ug/L
Range
Weymouth Plant
Not detected ug/L

Verbatim from Hawthorne-city Water Dept. — San Jose, Ca, CA's 2023 Consumer Confidence Report — source document ↗

How Hawthorne-city Water Dept. — San Jose, Ca, CA compares

Nearby systems also reporting N-Nitrosodi-n-butylamine:

People also ask

+Is there N-Nitrosodi-n-butylamine in Hawthorne-city Water Dept. — San Jose, Ca, CA tap water?

Yes — Hawthorne-city Water Dept. — San Jose, Ca, CA's 2023 Consumer Confidence Report lists N-Nitrosodi-n-butylamine at 2.5 ug/L. Hawthorne-city Water Dept. — San Jose, Ca, CA's 2023 report shows N-Nitrosodi-n-butylamine detected, but the EPA has not set an enforceable federal limit for it.

+What's the federal limit for N-Nitrosodi-n-butylamine in drinking water?

The federal NL for N-Nitrosodi-n-butylamine is 50 ug/L. The EPA enforces this against the regulated reporting statistic (running annual average or 90th percentile), not a single-sample spike.

+Where does this N-Nitrosodi-n-butylamine measurement come from?

This page reproduces the N-Nitrosodi-n-butylamine entry from the 2023 Consumer Confidence Report published by the Hawthorne-city Water Dept. — San Jose, 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/hawthorne-city-water-dept-san-jose-ca/2023/source.

Full report
All Hawthorne-city Water Dept. — San Jose, Ca, CA water-quality data →
Every contaminant measured in the 2023 report.
Contaminant pillar
N-Nitrosodi-n-butylamine across the U.S. →
Every public water system measuring N-Nitrosodi-n-butylamine, ranked.