Is Union City tap water safe to drink?

Source: Official EPA UCMR5 federal monitoring data | Last tested July 2024

Can you drink the tap water in Union City?

Union City tap water has lithium above EPA guidelines at 2,2× the limit (tested July 2024). See the full report with all tested compounds and filter options.

Recommended for Union City tap water

Pitcher filter

Epic Pure XP Water Filter Pitcher

NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.

Contaminants above EPA limits detected in Union City. Fastest way to reduce exposure.

See certified filter on Amazon

The health risk for Union City

lithium has been detected above EPA limits in this water system's recent tests. A certified filter designed for this contaminant type is strongly recommended.

lithium above limit.

lithium concentration (µg/L) July 2024

0 µg/L 10 µg/L 50 µg/L

21.900 µg/L

Detected

µg/L

10 µg/L

EPA limit

guideline

119% above limit

Comparison

vs. guideline

EPA limit: 10 µg/L | Your water: 21.900 µg/L

Certified Filters for Union City Tap Water

lithium was detected above EPA limits. These filters are independently certified to reduce common drinking-water contaminants.

Pitcher filter

Epic Pure XP Water Filter Pitcher

NSF-certified dual-layer filtration reduces 70+ contaminants including PFAS, lead, chlorine, microplastics, and bacteria.

Best for renters or quick setup. No installation needed.

See certified filter on Amazon

Under-sink RO system

Waterdrop G3P600 Reverse Osmosis System

8-stage tankless RO system certified to NSF/ANSI 58, reduces 1,000+ contaminants including PFAS, lead, arsenic, fluoride, and nitrates.

Best for homeowners. Heavy-duty filtration for long-term protection.

See certified filter on Amazon

Most elevated compounds

Compound	Measurement	EPA Limit	Comparison
lithium Tested: July 2024 · UNION CITY WATER WORKS	21.900 µg/L	10 µg/L	119% above limit

View all tested compounds

UNION CITY WATER WORKS · Tested: July 2024

Compound	Measurement	EPA Limit	Comparison
lithium	21.900 µg/L	10 µg/L	119% above limit
HFPO-DA	<0.005 µg/L	0.01 µg/L	Below limit
PFNA	<0.004 µg/L	0.01 µg/L	Below limit
PFHxS	<0.003 µg/L	0.01 µg/L	Below limit
PFHxA	<0.003 µg/L	3 µg/L	Below limit
PFBA	<0.005 µg/L	6 µg/L	Below limit
11Cl-PF3OUdS	<0.005 µg/L	0.005 µg/L	Below limit
4:2 FTS	<0.003 µg/L	0.003 µg/L	Below limit
6:2 FTS	<0.005 µg/L	0.005 µg/L	Below limit
8:2 FTS	<0.005 µg/L	0.005 µg/L	Below limit
9Cl-PF3ONS	<0.002 µg/L	0.002 µg/L	Below limit
ADONA	<0.003 µg/L	0.003 µg/L	Below limit
PFBS	<0.003 µg/L	0.003 µg/L	Below limit
PFDA	<0.003 µg/L	0.003 µg/L	Below limit
PFDoA	<0.003 µg/L	0.003 µg/L	Below limit
PFHpA	<0.003 µg/L	0.003 µg/L	Below limit
PFHpS	<0.003 µg/L	0.003 µg/L	Below limit
PFOA	<0.004 µg/L	0.004 µg/L	Below limit
PFOS	<0.004 µg/L	0.004 µg/L	Below limit
PFPeA	<0.003 µg/L	0.003 µg/L	Below limit
PFTrDA	<0.007 µg/L	0.007 µg/L	Below limit
PFUnA	<0.002 µg/L	0.002 µg/L	Below limit

Primary source EPA UCMR5 (2023-2025)

Guideline source EPA drinking water standard (lithium: 10 µg/L)

Last tested July 2024

Last page update 2026-03-31

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Nearby ZIP reports

Data reflects publicly reported utility records from EPA datasets and local utility disclosures. This information is educational and not medical advice.

Protect your water in Union City → see certified filters