Williamson
NY · CDP

Is Williamson, NY Tap Water Safe to Drink?

Williamson, NY tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Contaminants including lithium have been detected at or below guideline thresholds.

1Water system
1ZIP codes
0%ZIPs above EPA guideline
Metro areaRochester, NY
Latest data2025-09-15

Where Does Williamson Get Its Water?

Water in Williamson, NY is provided by 1 public water system: WILLIAMSON TOWN WD.

How Is Williamson Tap Water Treated?

Treated water is disinfected using chloramines. Treatment includes conventional treatment (coagulation, flocculation, and filtration).

What's in Williamson Tap Water?

The following contaminants were detected most frequently in Williamson public water systems. All detected levels fall at or below EPA health guidelines in this dataset.

ContaminantPeak detectedEPA guidelineZIPs detectedStatus
lithium 9 µg/L 0 ZIPs Within guideline
PFTrDA 0.007 µg/L 0 ZIPs Within guideline
11Cl-PF3OUdS 0.005 µg/L 0 ZIPs Within guideline
HFPO-DA 0.005 µg/L 0 ZIPs Within guideline
PFBA 0.005 µg/L 0 ZIPs Within guideline

Health Risk Profile for Williamson

Current EPA monitoring data for Williamson shows contaminant levels within guideline thresholds across all ZIP codes in this dataset. As with all public water systems, sensitive populations may choose to use a certified filter for additional peace of mind.

Best Filters for PFAS Water Profile

PFAS compounds are detected in this water supply. A reverse osmosis (RO) system or an activated-carbon filter specifically certified under NSF/ANSI P473 is required for reliable PFAS reduction. Standard pitcher and faucet filters without P473 certification do not remove PFAS.

Under-sink RO system

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

Pitcher filter

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

See recommendations matched to your exact address: choose your ZIP code below.

Frequently Asked Questions about Williamson Tap Water

Is Williamson tap water safe to drink?

Williamson tap water currently meets EPA health guidelines across all monitored ZIP codes in this dataset. Sensitive populations may still choose to use a certified filter as a precaution.

What contaminants are in Williamson tap water?

The most commonly detected contaminants in Williamson water systems include: lithium, PFTrDA, 11Cl-PF3OUdS. See the ZIP-level reports for exact measurements and EPA guideline comparisons.

Where does Williamson get its drinking water?

Williamson receives water from one public water system, including WILLIAMSON TOWN WD.

Do I need a water filter in Williamson?

Current data does not show guideline exceedances in Williamson. A certified filter can still reduce trace contaminants and improve taste for households that prefer filtered water.

How often is Williamson tap water tested?

Public water systems in Williamson are required by the EPA to test for regulated contaminants on schedules ranging from daily (for microbials and disinfectants) to annual or triennial (for many chemical contaminants). Results are published in annual Consumer Confidence Reports (CCRs). The data on this page reflects the most recent available EPA monitoring results, with the latest sample date of 2025-09-15.

Tap water reports by ZIP in Williamson

Water utilities serving Williamson, NY

Service area boundaries are approximate and based on state filings or modeled estimates. Contact your utility to confirm exact service at a specific address.

Modeled boundaries are shown with a dashed outline. Outlines appear when service-area boundary data is available for this ZIP.

Also covers / overlaps with