Is Hillsboro tap water safe to drink?

Source: Official EPA UCMR5 federal monitoring data | Last tested December 2023

Can you drink the tap water in Hillsboro?

Hillsboro tap water has 5 contaminants above EPA guidelines, including PFBS at 3,3× the limit (tested December 2023). See the full compound-by-compound breakdown and filter recommendations.

Recommended for Hillsboro 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 Hillsboro. Fastest way to reduce exposure.

See certified filter on Amazon

The health risk for Hillsboro

PFAS ('forever chemicals') have been detected above EPA limits in this water system's most recent tests. These synthetic chemicals do not break down in the body and are linked to a range of health effects. A certified filter is strongly recommended.

PFBS, PFHpA, PFOA, PFOS, PFPeA above limit.

PFBS concentration (µg/L) December 2023

0 µg/L 0.003 µg/L 0.01 µg/L

0.010 µg/L

Detected

µg/L

0.003 µg/L

EPA limit

guideline

230% above limit

Comparison

vs. guideline

EPA limit: 0.003 µg/L | Your water: 0.010 µg/L

Certified Filters for Hillsboro Tap Water

PFBS (a PFAS 'forever chemical') 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
PFBS Tested: December 2023 · Hwy41	0.010 µg/L	0.003 µg/L	230% above limit
PFOA Tested: December 2023 · Hwy41	0.012 µg/L	0.004 µg/L	198% above limit
PFPeA Tested: December 2023 · Hwy41	0.006 µg/L	0.003 µg/L	97% above limit
PFOS Tested: December 2023 · Hwy41	0.007 µg/L	0.004 µg/L	82% above limit
PFHpA Tested: December 2023 · Hwy41	0.004 µg/L	0.003 µg/L	30% above limit

View all tested compounds

Hwy41 · Tested: December 2023

Compound	Measurement	EPA Limit	Comparison
PFBS	0.010 µg/L	0.003 µg/L	230% above limit
PFOA	0.012 µg/L	0.004 µg/L	198% above limit
PFPeA	0.006 µg/L	0.003 µg/L	97% above limit
PFOS	0.007 µg/L	0.004 µg/L	82% above limit
PFHpA	0.004 µg/L	0.003 µg/L	30% above limit
PFHxA	0.007 µg/L	3 µg/L	0.2% of limit
PFBA	0.006 µg/L	6 µg/L	0.1% of limit
lithium	<9.000 µg/L	10 µg/L	Below 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
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
PFDA	<0.003 µg/L	0.003 µg/L	Below limit
PFDoA	<0.003 µg/L	0.003 µg/L	Below limit
PFHpS	<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 (PFBS: 0,003 µg/L)

Last tested December 2023

Last page update 2026-03-31

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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 Hillsboro → see certified filters