29180
Winnsboro, SC
CHESTER METROPOLITAN DISTRICT (1220002)

Is Winnsboro tap water safe to drink?

Higher concern
Last tested: March 2025
Action Advised
Source: Official EPA UCMR5 federal monitoring data | Last tested March 2025

Can you drink the tap water in Winnsboro?

Winnsboro tap water has 5 contaminants above EPA guidelines, including PFOS at 8,2× the limit (tested March 2025). See the full compound-by-compound breakdown and filter recommendations.

Recommended for Winnsboro tap water
Water filter for Winnsboro tap water: Epic Pure XP Water Filter Pitcher
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 Winnsboro. Fastest way to reduce exposure.
See certified filter on Amazon

The health risk for Winnsboro

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.
  • PFOS, PFPeA above limit.
PFOS concentration (µg/L) March 2025
0 µg/L 0.004 µg/L 0.05 µg/L
0.033 µg/L
Detected
µg/L
0.004 µg/L
EPA limit
guideline
720% above limit
Comparison
vs. guideline
EPA limit: 0.004 µg/L | Your water: 0.033 µg/L
Certified Filters for Winnsboro Tap Water

PFOS (a PFAS 'forever chemical') was detected above EPA limits. These filters are independently certified to reduce common drinking-water contaminants.

Water filter recommendation for Winnsboro tap water: Epic Pure XP Water Filter Pitcher
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
Water filter recommendation for Winnsboro tap water: Waterdrop G3P600 Reverse Osmosis System
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
PFOS
Tested: November 2024 · WINNSBORO TOWN OF (2010001)		 0.033 µg/L 0.004 µg/L 720% above limit
PFOS
Tested: March 2025 · Town Winsboro Connection		 0.020 µg/L 0.004 µg/L 400% above limit
PFPeA
Tested: November 2024 · Chester Metropolitan District Filter Plant		 0.005 µg/L 0.003 µg/L 67% above limit
PFPeA
Tested: November 2024 · WINNSBORO TOWN OF (2010001)		 0.004 µg/L 0.003 µg/L 27% above limit
PFPeA
Tested: March 2025 · Town Winsboro Connection		 0.004 µg/L 0.003 µg/L 20% above limit
View all tested compounds

Town Winsboro Connection · Tested: Multiple dates

Compound Measurement EPA Limit Comparison
PFOS 0.020 µg/L 0.004 µg/L 400% above limit
PFPeA 0.004 µg/L 0.003 µg/L 20% above limit
PFHxS 0.006 µg/L 0.01 µg/L 65% of limit
PFHxA 0.003 µg/L 3 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
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
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

WINNSBORO TOWN OF (2010001) · Tested: Multiple dates

Compound Measurement EPA Limit Comparison
PFOS 0.033 µg/L 0.004 µg/L 720% above limit
PFPeA 0.004 µg/L 0.003 µg/L 27% above limit
PFHxS 0.009 µg/L 0.01 µg/L 90% of limit
PFHxA 0.004 µg/L 3 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
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
PFTrDA <0.007 µg/L 0.007 µg/L Below limit
PFUnA <0.002 µg/L 0.002 µg/L Below limit

Chester Metropolitan District Filter Plant · Tested: November 2024

Compound Measurement EPA Limit Comparison
PFPeA 0.005 µg/L 0.003 µg/L 67% above limit
PFHxA 0.005 µg/L 3 µg/L 0.2% 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
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
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 PFAS drinking water standard (PFOS: 0,004 µg/L, effective 2024, compliance by 2031)
Last tested March 2025
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.

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