Idaho Falls, ID Water Quality Report
Is Idaho Falls tap water safe? See PFAS and lead contamination levels for Idaho Falls, Idaho. Compare to EPA limits and get filter recommendations.
Quick Answers
Is Idaho Falls tap water safe to drink? Idaho Falls tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 38.26 ppt across 1 compound. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.
What contaminants are in Idaho Falls water? Top PFAS compounds detected in Idaho Falls water: lithium (57.4 ppt). See the full table for all monitored contaminants and comparison to EPA limits.
What filter should I use in Idaho Falls? 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.
Idaho Falls Water Quality Summary
EPA testing has detected PFAS "forever chemicals" in Idaho Falls drinking water. Recent monitoring found a peak level of 57.4 ppt across 2 water systems, representing an average of 38.26 ppt across 1 detected compound.
Contamination Level: MODERATE – Moderate contamination – PFAS detected at meaningful levels; filtration recommended.
Top Detected Compounds
- lithium: 57.4 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
Lead in Idaho Falls Water
EPA Lead and Copper Rule testing has recorded 86 lead samples for Idaho Falls water systems, with a 90th-percentile high of 0.026 mg/L (above 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 Idaho Falls
Idaho Falls public water systems have 13 health-based EPA Safe Drinking Water Act violations on record, including Chromium, Lead & Copper Rule, Surface Water Treatment Rule, Total Organic Carbon. 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 Idaho Falls: approximately 66,070.
ZIP Codes Served
What Idaho Falls Residents Should Do
- Enter your exact ZIP code at knowyourexposure.com for address-level data
- Install an NSF/ANSI 58 reverse osmosis filter (removes 94-99% of PFAS)
- If you're in a high-exposure group (pregnant, young children), consider a PFAS home test kit
- Review your utility's Consumer Confidence Report (CCR) annually