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INORGANIC · EPA UCMR5 monitoring

lithium in drinking water

Water Around keeps occurrence monitoring, regulatory compliance, and household tap conditions separate. A reported detection is not by itself a violation, and a non-detection means only that the compound was not detected above that sample’s reporting limit.

System records
10,313
Sample results
66,675
Latest sample date
2026-06-17

lithium drinking-water limits and regulations

The regulatory information shown here does not list a separate federal limit for this compound. Water Around does not treat a proposal as a completed rule change.

Open EPA’s UCMR5 monitoring context

Other compounds in the monitoring program

Browse the 30 UCMR5 compounds

Systems with detailed testing records

These systems have detailed testing records. Being listed here does not mean a system detected lithium.