{"hq_id":"hq-p-fod-000052","name":"Municipal Water Systems Serving Military Base Communities (PFAS Contamination)","category":{"primary":"food_contact","secondary":"","tags":[]},"product_tier":"FOD","overall_risk_level":"low","description":"PFAS (PFOS, PFOA) in drinking water from military AFFF use; EPA health advisory but no enforceable MCL; military families exposed to persistent, bioaccumulative toxicants; DoD treatment infrastructure lags; 2–3 million civilians affected Key materials: PFAS Aqueous Film-Forming Foam (AFFF) in Military and Airport Groundwater.","synthesis":{"derived_risk_level":"moderate_to_high","synthesis_confidence":0.713,"synthesis_method":"compound_composition","context_used":"human_infant","context_source":"product_users","exposure_modifier":0.977,"vulnerability_escalated":true,"escalation_reason":"Infant exposure group","compounds_resolved":2,"compounds_total":2,"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":{"overall_risk":"low","primary_concerns":["Overall risk level: low."],"sensitive_populations":"","exposure_routes":""},"exposure":{"routes":["dermal"],"contact_types":["oral_direct","dermal"],"users":["adult","child","infant"],"duration":"minutes","frequency":"daily","scenarios":["Incidental mouthing or hand-to-mouth transfer by children"],"notes":"Exposure to Municipal Water Systems Serving Military Base Communities (PFAS Contamination) 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":"Overall risk level: low.","action":"Review safety data; follow use guidelines; consider alternatives"}],"green_flags":[{"indicator":"NSF/ANSI 42 or 53 certified treatment","meaning":"Water treatment device independently verified for contaminant reduction","verification":"Check NSF International database for certified devices"}],"what_to_ask":[{"question":"What contaminants have been detected in my water supply?","why_it_matters":"EPA MCLs do not cover all contaminants of concern; check your local Consumer Confidence Report or EWG Tap Water Database"}],"alternatives":[{"name":"Certified PFAS-removal bottled water","notes":"Third-party tested; eliminates PFAS exposure from tap water"},{"name":"Reverse osmosis home filtration system","notes":"Highly effective at removing PFAS; requires professional installation"},{"name":"Activated carbon pitcher filters (NSF certified)","notes":"Affordable interim solution; requires frequent filter replacement"}],"notes":null},"regulatory":{"applicable_regulations":[{"jurisdiction":"USA","regulation":"Safe Drinking Water Act (SDWA) — EPA MCLs","citation":null,"requirements":"Maximum contaminant levels for >90 chemicals in public water systems. Lead and Copper Rule. PFAS MCLs (4 ppt PFOA/PFOS, Hazard Index for PFHxS/PFNA/HFPO-DA/PFBS).","compliance_status":null,"effective_date":null,"enforcing_agency":null,"penalties":null,"source_ref":null},{"jurisdiction":"USA","regulation":"NSF/ANSI 61 — Drinking Water System Components","citation":null,"requirements":"Products in contact with drinking water must not leach contaminants above health-effects levels. Applies to pipes, fittings, treatment chemicals.","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":"EPA SDWA","issuer":"EPA","standard":"Safe Drinking Water Act","scope":"National Primary Drinking Water Regulations, MCLs"},{"name":"NSF/ANSI 61","issuer":"NSF International","standard":"NSF/ANSI 61 Drinking Water System Components","scope":"Health effects of drinking water system components"}],"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":"N/A — infrastructure","hazardous_waste":false,"expected_lifespan":"10+_years"},"formulation":{"form":"textile","key_ingredients":[{"hq_id":"hq-c-ino-000146","name":"Nylon or polyester face fabric","role":"base_material","concentration_pct":"80-85"},{"hq_id":"hq-c-mix-000001","name":"Fluorocarbon DWR (PFAS) coating","role":"coating","concentration_pct":"2-5"},{"hq_id":"hq-c-org-000685","name":"ePTFE or TPU laminate (waterproof layer)","role":"coating","concentration_pct":"10"},{"hq_id":"hq-c-ino-000025","name":"Seam tape","role":"coating","concentration_pct":"1-2"}],"certifications":[]},"materials":{"common":[{"material_id":"hq-m-env-000039","material_name":"PFAS Aqueous Film-Forming Foam (AFFF) in Military and Airport Groundwater","component":null,"prevalence":"common"}],"concerning":[{"material_id":"hq-m-env-000039","concern":"Aqueous Film-Forming Foam (AFFF) (GHS: Warning)","compounds_of_concern":["Aqueous Film-Forming Foam (AFFF)"],"source_refs":[]},{"material_id":"hq-m-env-000039","concern":"Potential contaminant: PFOS and precursor transformation products","compounds_of_concern":["hq-c-org-001710"],"source_refs":[]}],"preferred":[]},"compound_composition":[{"hq_id":"hq-c-org-000091","compound_name":"Perfluorooctane sulfonate (PFOS)","role":"base","typical_concentration":null},{"hq_id":"hq-c-org-000020","compound_name":"Perfluorooctanoic acid (PFOA)","role":"base","typical_concentration":null}],"identifiers":{"common_names":["municipal water systems serving military base communities","pfas contamination"],"brands":["Public water utilities serving military installations (Elmendorf AFB, Kadena AFB, Andrews AFB, Fort Bragg, etc.)","Groundwater aquifer systems contaminated by AFFF from military training areas"],"aliases":[],"manufacturer":null},"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":"epa_pfas","type":"reference","notes":"https://www.epa.gov/pfas","inherited_from":"hq-m-env-000039"},{"id":"usaf_bases","type":"reference","notes":"USAF PFAS Contamination Assessment (2018–2024)","inherited_from":"hq-m-env-000039"},{"id":"atsdr_pfas","type":"reference","notes":"ATSDR PFAS toxicological summary","inherited_from":"hq-m-env-000039"}],"meta":{"schema_version":"4.0.0","last_updated":"2026-03-25","timestamp":"2026-05-13T22:24:53.378Z"}}