Willow Grove, PA Water Quality Report

Is Willow Grove tap water safe? See PFAS and lead contamination levels for Willow Grove, Pennsylvania. Compare to EPA limits and get filter recommendations.

Quick Answers

Is Willow Grove tap water safe to drink? Willow Grove tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 0.19 ppt across 10 compounds. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.

What contaminants are in Willow Grove water? Top PFAS compounds detected in Willow Grove water: lithium (15.7 ppt), PFHpA (11 ppt), PFOA (0.02 ppt). See the full table for all monitored contaminants and comparison to EPA limits.

What filter should I use in Willow Grove? Reverse osmosis removes 90%+ of PFAS, lead, and arsenic. NSF-53 certified pitcher and faucet filters (ZeroWater, Clearly Filtered, LifeStraw) work for smaller households. Skip standard Brita filters for PFAS removal.

Willow Grove Water Quality Summary

EPA testing has detected PFAS "forever chemicals" in Willow Grove drinking water. Recent monitoring found a peak level of 15.7 ppt across 2 water systems, representing an average of 0.19 ppt across 10 detected compounds.

Contamination Level: LOW – Low contamination – PFAS detected but at lower levels; monitoring continues.

Top Detected Compounds

  • lithium: 15.7 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
  • PFHpA: 11 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
  • PFOA: 0.02 ppt
  • PFHxA: 0.02 ppt
  • PFPeA: 0.02 ppt

Lead in Willow Grove Water

EPA Lead and Copper Rule testing has recorded 10 lead samples for Willow Grove water systems, with a 90th-percentile high of 0.0043 mg/L (within the EPA 0.015 mg/L action level). There is no safe level of lead for children; if your home was built before 1986, a certified NSF/ANSI 53 lead-removal filter is recommended.

EPA Violations in Willow Grove

Willow Grove public water systems have 2 health-based EPA Safe Drinking Water Act violations on record, including Lead & Copper Rule, Chromium. Health-based violations mean a contaminant exceeded its federal limit or required treatment was not applied.

About the Data

These figures come from the EPA's Unregulated Contaminant Monitoring Rule 5 (UCMR5) testing program, 2023-2025. UCMR5 is the most comprehensive national drinking water survey in US history, covering 66,000+ public water systems. Population of Willow Grove: approximately 15,726.

ZIP Codes Served

19090

What Willow Grove Residents Should Do

  1. Enter your exact ZIP code at knowyourexposure.com for address-level data
  2. Install an NSF/ANSI 58 reverse osmosis filter (removes 94-99% of PFAS)
  3. If you're in a high-exposure group (pregnant, young children), consider a PFAS home test kit
  4. Review your utility's Consumer Confidence Report (CCR) annually