{"hq_id":"hq-p-hom-000044","name":"PFAS-Contaminated Drinking Water from Industrial and Military Sources","category":{"primary":"household","secondary":"","tags":[]},"product_tier":"HOM","overall_risk_level":"low","description":"The US military used AFFF (aqueous film-forming foam) at bases worldwide starting in the 1970s. PFOS and PFOA — the primary components — were chosen because they don't break down.","synthesis":{"derived_risk_level":"moderate","synthesis_confidence":0.642,"synthesis_method":"compound_composition","context_used":"human_child","context_source":"product_users","exposure_modifier":0.935,"vulnerability_escalated":true,"escalation_reason":"Child exposure group","compounds_resolved":16,"compounds_total":16,"synthesis_date":"2026-05-09","synthesis_version":"1.2.0","methodology_note":"exposure_modifier and adjusted_magnitude are computed from ALETHEIA-calibrated heuristics (route × duration × frequency multipliers, clamped to [0.5, 1.4]). Multipliers are directionally informed by EPA Exposure Factors Handbook (2011) and CalEPA OEHHA but are not regulatory consensus. See /api/methodology for full disclosure."},"hazard_summary":{"critical_concern":"EPA April 2024 set first-ever drinking water MCL for PFOA/PFOS at 4 ppt; EWG estimates 45 million Americans on water systems exceeding new MCL. PFAS persist indefinitely in environment ('forever chemicals'). Private wells (15M+ US homes) have no federal monitoring mandate. Utility compliance deadline 2029; estimated $800M–$2.9B retrofit cost with no dedicated federal funding.","key_hazards":["EPA 2024 MCL 4 ppt PFOA/PFOS; first federal standard; 45M Americans above threshold (EWG)","PFAS serum half-life PFOA 2.3–3.8 years, PFOS 5.4 years; bioaccumulation from chronic exposure","PFAS in drinking water, food (fish, dairy), biosolids-contaminated agricultural products, non-stick cookware (PTFE thermal degradation)","Private wells (15M+ homes) no federal monitoring mandate; individual testing $300–500 per well","Military base AFFF contamination — 100+ bases, surrounding community exposure; decades of accumulated contamination","Utility retrofit costs $800M–$2.9B industry-wide; no dedicated federal funding; small rural utilities unable to comply by 2029"],"overall_risk":"low","primary_concerns":[],"sensitive_populations":"","exposure_routes":""},"exposure":{"routes":["dermal"],"contact_types":["dermal","inhalation"],"users":["adult","child"],"duration":"minutes","frequency":"weekly","scenarios":["Incidental mouthing or hand-to-mouth transfer by children"],"notes":"Exposure to PFAS-Contaminated Drinking Water from Industrial and Military Sources occurs via dermal. Children and infants face higher exposure per body weight due to developing detoxification systems, higher surface-area-to-weight ratio, and behavioral factors (mouthing, crawling)."},"consumer_guidance":{"red_flags":[{"indicator":"Identified safety concern","meaning":"EPA April 2024 set first-ever drinking water MCL for PFOA/PFOS at 4 ppt; EWG estimates 45 million Americans on water systems exceeding new MCL.","action":"Review safety data; follow use guidelines; consider alternatives"}],"green_flags":[{"indicator":"EPA Safer Choice certified","meaning":"Meets EPA criteria for safer chemical ingredients","verification":"Look for EPA Safer Choice label on packaging"}],"what_to_ask":[{"question":"Is this product safe for use around children and pets?","why_it_matters":"Many household chemicals are formulated for adult use; children and pets have higher exposure per body weight and developing organ systems"}],"alternatives":[{"name":"Certified bottled drinking water","notes":"Third-party tested and free from PFAS contamination"},{"name":"Point-of-use water filtration systems (PFAS-certified)","notes":"NSF/ANSI certified to remove PFAS compounds"},{"name":"Municipal treated water from non-contaminated sources","notes":"Regularly monitored for safety compliance"}],"notes":null},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"Consumer Product Safety Act (CPSA) + FHSA","citation":null,"requirements":"Household products must not present unreasonable risk of injury. Federal Hazardous Substances Act requires labeling of hazardous household products (corrosive, flammable, toxic, irritant).","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":null},{"jurisdiction":"USA","regulation":"EPA Safer Choice / Design for the Environment","citation":null,"requirements":"Voluntary program. Products meeting Safer Choice criteria can display the label. Requires disclosure of all ingredients and safer chemical alternatives.","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":null},{"jurisdiction":"EU","regulation":"CLP Regulation (EC) No 1272/2008","citation":null,"requirements":"Classification, labelling, and packaging of hazardous chemical products. GHS-aligned hazard communication. Signal words, pictograms, and precautionary statements required.","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":null},{"jurisdiction":"EU","regulation":"REACH — Universal PFAS Restriction (proposed 2023, adoption pending)","citation":null,"requirements":"Proposed ban on manufacture, use, and placing on the market of >10,000 PFAS substances with limited exemptions. If adopted, would be the most comprehensive chemical restriction in EU history.","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":null}],"certifications":[{"name":"CPSC General Safety","issuer":"CPSC","standard":"Consumer Product Safety Act","scope":"General consumer product safety requirements"}],"labeling":{"required_disclosures":[],"prop65_warning":{"required":null,"chemicals":[],"endpoint":null,"notes":null},"ghs_labeling":{"required":null,"signal_word":null,"pictograms":[],"hazard_statements":[],"notes":null},"hidden_ingredients":{"trade_secret_protected":null,"categories_hidden":[],"estimated_count":null,"known_concerns":null,"notes":null},"notes":null},"recalls":[],"regulatory_gap":null,"notes":null},"lifecycle":{"recyclable":null,"disposal_guidance":"Varies by material; check local recycling guidelines","hazardous_waste":false,"expected_lifespan":"1-3_years"},"formulation":{"form":"textile","key_ingredients":[{"hq_id":null,"name":"Nylon or polyester face fabric","role":"base_material","concentration_pct":"80-85"},{"hq_id":null,"name":"Fluorocarbon DWR (PFAS) coating","role":"coating","concentration_pct":"2-5"},{"hq_id":null,"name":"ePTFE or TPU laminate (waterproof layer)","role":"coating","concentration_pct":"10"},{"hq_id":null,"name":"Seam tape","role":"coating","concentration_pct":"1-2"}],"certifications":[]},"materials":{"common":[{"material_id":"hq-m-chm-000058","material_name":"PFAS Contamination in Community Drinking Water and Groundwater","component":"Drinking water contamination from AFFF, manufacturing, biosolids application","prevalence":"common"}],"concerning":[{"material_id":"hq-m-chm-000058","concern":"EPA 2024 MCL for PFOA and PFOS: 4 ppt each; 45 million Americans on water systems exceeding new MCL (EWG estimate)","compounds_of_concern":[],"source_refs":[]},{"material_id":"hq-m-chm-000058","concern":"PFAS in private wells (15M+ US homes); no federal monitoring mandate; individual testing cost $300–500","compounds_of_concern":[],"source_refs":[]},{"material_id":"hq-m-chm-000058","concern":"Serum half-life PFOA 2.3–3.8 years, PFOS 5.4 years; bioaccumulation from chronic low-dose exposure","compounds_of_concern":[],"source_refs":[]},{"material_id":"hq-m-chm-000058","concern":"PFAS associations: kidney cancer, testicular cancer (IARC insufficient classification; animal/mechanistic evidence); thyroid disease; immune suppression; developmental effects","compounds_of_concern":[],"source_refs":[]},{"material_id":"hq-m-chm-000058","concern":"PFAS in biosolids; land application of wastewater treatment solids on agricultural land; PFAS uptake into food crops","compounds_of_concern":[],"source_refs":[]},{"material_id":"hq-m-chm-000058","concern":"PFOA/PFOS in non-stick cookware (PTFE coating on pans); thermal degradation releases PFOA","compounds_of_concern":[],"source_refs":[]},{"material_id":"hq-m-chm-000058","concern":"MCL compliance deadline 2029 for utilities; many systems not prepared for treatment retrofit; temporary enforcement gaps","compounds_of_concern":[],"source_refs":[]},{"material_id":"hq-m-chm-000058","concern":"Potential contaminant: PFOA and PFOS in drinking water","compounds_of_concern":["hq-c-org-000020"],"source_refs":[]}],"preferred":[{"material_id":null,"material_name":"Point-of-use water filtration (granular activated carbon or ion exchange)","why_preferred":"","tradeoffs":"Effective for PFAS removal; cost $500–2,000 for home installation; maintenance/cartridge replacement required; does not remove all PFAS variants equally"},{"material_id":null,"material_name":"Bottled water (from verified PFAS-free sources)","why_preferred":"","tradeoffs":"Avoids PFAS in tap water; high cost ($1–3/gallon); plastic bottle waste; does not eliminate other exposure pathways (food, cookware)"},{"material_id":null,"material_name":"Relocation from contaminated area","why_preferred":"","tradeoffs":"Only option for comprehensive PFAS avoidance; socially/economically disruptive; not feasible for most affected populations"}]},"compound_composition":[{"hq_id":"hq-c-org-000020","compound_name":"Perfluorooctanoic acid (PFOA)","role":"base","typical_concentration":null},{"hq_id":"hq-c-org-000091","compound_name":"Perfluorooctane sulfonate (PFOS)","role":"base","typical_concentration":null},{"hq_id":"hq-c-org-000283","compound_name":"GenX (HFPO-DA)","role":"base","typical_concentration":null},{"hq_id":"hq-c-org-001986","compound_name":"PFPeA (Perfluoropentanoic acid)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001987","compound_name":"PFHpS (Perfluoroheptane sulfonic acid)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001988","compound_name":"PFDS (Perfluorodecane sulfonic acid)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001989","compound_name":"ADONA (4,8-dioxa-3H-perfluorononanoic acid)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001991","compound_name":"8:2 FTS (8:2 Fluorotelomer sulfonate)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001992","compound_name":"N-MeFOSAA (N-methyl perfluorooctane sulfonamido acetic acid)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001993","compound_name":"N-EtFOSAA (N-ethyl perfluorooctane sulfonamido acetic acid)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001994","compound_name":"PFPeS (Perfluoropentane sulfonic acid)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001995","compound_name":"4:2 FTS (4:2 Fluorotelomer sulfonate)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001996","compound_name":"F-53B (6:2 chlorinated polyfluorinated ether sulfonate)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001998","compound_name":"NEtFOSE (N-ethyl perfluorooctane sulfonamido ethanol)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-001999","compound_name":"PFMPA (Perfluoro-2-methoxypropanoic acid, PMPA)","role":"detected_contaminant","typical_concentration":null},{"hq_id":"hq-c-org-002000","compound_name":"PFMBA (Perfluoro-3-methoxypropanoic acid)","role":"detected_contaminant","typical_concentration":null}],"identifiers":{"common_names":["PFOA/PFOS drinking water contamination","PFAS-contaminated tap water","military base contaminated water","AFFF groundwater contamination"],"aliases":[],"manufacturer":null,"brands":[]},"brand_examples":[{"brand":"Generic Mass-Market Brand A","manufacturer":"Consumer Products Corporation","market_position":"mass_market","notable":"Widely available mass-market option"},{"brand":"Generic Mass-Market Brand B","manufacturer":"Consumer Goods Ltd","market_position":"mass_market","notable":"Popular budget alternative"},{"brand":"Premium Brand A","manufacturer":"Premium Consumer Inc","market_position":"premium","notable":"Upscale premium positioning"},{"brand":"Professional Brand","manufacturer":"Professional Products Co","market_position":"professional","notable":"Professional/salon-grade option"},{"brand":"Specialty Eco-Brand","manufacturer":"Natural Products Ltd","market_position":"premium","notable":"Sustainable/natural product line"}],"brand_examples_disclaimer":"Representative branded products of this category. Concerning ingredients listed in materials.concerning[] apply to the category, not necessarily to every named brand. Specific formulations vary by SKU and may have changed since this record was written; consult the brand's current ingredient label before drawing brand-level conclusions.","sources":[{"id":"src_001","type":"regulatory","title":"EPA April 2024 PFOA/PFOS Drinking Water MCL — 4 ppt each; compliance deadline 2029","year":2024},{"id":"src_002","type":"news","title":"EWG Report: 45 Million Americans Above EPA PFAS MCL","year":2024},{"id":"src_003","type":"journal","title":"PFAS Contamination from AFFF at Military Installations Worldwide","year":2021}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-14T01:26:29.183Z"}}