Lafayette, LA Water Quality Report
Is Lafayette tap water safe? See PFAS and lead contamination levels for Lafayette, Louisiana. Compare to EPA limits and get filter recommendations.
Quick Answers
Is Lafayette tap water safe to drink? Lafayette tap water meets most federal EPA limits, but PFAS compounds have been detected at an average of 16.22 ppt across 1 compound. A certified pitcher filter or reverse osmosis system is recommended for sensitive populations.
What contaminants are in Lafayette water? Top PFAS compounds detected in Lafayette water: lithium (37.4 ppt). See the full table for all monitored contaminants and comparison to EPA limits.
What filter should I use in Lafayette? 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.
Lafayette Water Quality Summary
EPA testing has detected PFAS "forever chemicals" in Lafayette drinking water. Recent monitoring found a peak level of 37.4 ppt across 4 water systems, representing an average of 16.22 ppt across 1 detected compound.
Contamination Level: MODERATE – Moderate contamination – PFAS detected at meaningful levels; filtration recommended.
Top Detected Compounds
- lithium: 37.4 ppt (exceeds EPA 4 ppt limit for PFOA/PFOS)
Lead in Lafayette Water
EPA Lead and Copper Rule testing has recorded 28 lead samples for Lafayette water systems, with a 90th-percentile high of 0.004 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 Lafayette
Lafayette public water systems have 20 health-based EPA Safe Drinking Water Act violations on record, including Chromium, Surface Water Treatment Rule, Lead & Copper Rule, Total Organic Carbon, Nitrite. 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 Lafayette: approximately 126,185.
ZIP Codes Served
What Lafayette 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