This system has 1 health-based violation on the EPA record — involving Total Trihalomethanes (TTHM). A limit meant to protect health, exceeded.
Total trihalomethanes are cancer-linked byproducts formed when chlorine disinfects water; federal rules cap them and require regular testing.
Read the rule → EPA · Disinfection Byproducts RulesThe water tested above a federal legal limit for this contaminant — the line the law itself draws.
Total Trihalomethanes (TTHM): Total trihalomethanes are cancer-linked byproducts formed when chlorine disinfects water; federal rules cap them and require regular testing.
Read the rule → EPA · Disinfection Byproducts RulesSource: U.S. EPA Safe Drinking Water Information System (SDWIS), system MD0210010. “Compliant” means clearing federal limits — many unchanged for ~20 years. Health guidelines from independent scientists are often stricter. Results vary by home, plumbing and date.
NSF-58 certified under-sink RO — the only tech that broadly removes dissolved contaminants at the tap.
NSF-42 whole-house carbon cuts chlorine, chloramine and the pool-water taste.
Certified grab-and-go protection while you decide on the whole-home fix.