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Not health advice. Contact your local water utility for concerns.
Data from EPA Water Quality Reports. For official information, contact your water utility or health department.
Analysis of pfas (forever chemicals) contamination levels across Montana cities
Complete list of cities where pfas (forever chemicals) has been detected, sorted by level
No pfas (forever chemicals) detections have been reported in Montana cities.
PFAS are called "forever chemicals" because they do not break down in the environment or the human body. These chemicals accumulate over time and have been linked to increased cholesterol levels, changes in liver enzymes, decreased vaccine response in children, increased risk of high blood pressure in pregnant women, and potential increased risk of kidney and testicular cancers. Long-term exposure may affect growth, learning, and behavior in children.
Firefighting foams, non-stick cookware manufacturing, waterproof clothing production, industrial facilities
Based on our analysis of EPA Safe Drinking Water Information System (SDWIS) data and local water utility reports,pfas (forever chemicals) has been detected in 0 Montana water systems.
In 2024, the EPA established MCLs of 4 parts per trillion for PFOA and PFOS. The EPA MCL for pfas (forever chemicals) is 0.000004 mg/L. This limit is set to protect public health based on available scientific evidence about the contaminant's health effects.
0 Montana cities have pfas (forever chemicals) detected in their water supply. All tested cities are within EPA safety limits.
Thyroid disease, increased cholesterol, immune system effects, increased cancer risk. The most vulnerable groups include pregnant women and nursing mothers.
The most effective methods for removing pfas (forever chemicals) include Reverse Osmosis, Activated Carbon (Granular), Ion Exchange Resins. Look for filters certified by NSF/ANSI for pfas (forever chemicals) reduction.
The EPA Maximum Contaminant Level (MCL) for pfas (forever chemicals) is 0.000004 mg/L.In 2024, the EPA established MCLs of 4 parts per trillion for PFOA and PFOS.
Recommended filtration methods for pfas (forever chemicals) removal:
Removes 90-99% of PFAS
Must be high-quality GAC
Specifically designed for PFAS