{
  "rows": [
    {
      "type": "Can last: well-maintained RO system; conditional EPA guidance",
      "measure": "Can last: well-maintained RO system; conditional EPA guidance",
      "value": "15",
      "value_high": "",
      "unit": "years",
      "source": "U.S. EPA, Treating Water With Less Waste (November 2024)",
      "url": "https://www.epa.gov/system/files/documents/2024-11/ws-products-ro-systems-mini-report.pdf",
      "data_years": "November 2024 homeowner guide",
      "read": "2026-11-05",
      "area": "US",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-epa-guide-life-15"
    },
    {
      "type": "In most cases: RO membrane interval depending on local water quality and use",
      "measure": "In most cases: RO membrane interval depending on local water quality and use",
      "value": "1",
      "value_high": "5",
      "unit": "years",
      "source": "U.S. EPA, Treating Water With Less Waste (November 2024)",
      "url": "https://www.epa.gov/system/files/documents/2024-11/ws-products-ro-systems-mini-report.pdf",
      "data_years": "November 2024 homeowner guide",
      "read": "2026-11-05",
      "area": "US",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-epa-guide-membrane-1-5"
    },
    {
      "type": "RO cartridge only: maker interval, not whole-system life",
      "measure": "RO cartridge only: maker interval, not whole-system life",
      "value": "3",
      "value_high": "5",
      "unit": "years",
      "source": "GE Appliances, Reverse Osmosis System - When to Change the Membrane",
      "url": "https://products.geappliances.com/appliance/gea-support-search-content?contentId=21848",
      "data_years": "Undated guidance",
      "read": "2026-11-05",
      "area": "no area stated by the source",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-ge-cartridge"
    },
    {
      "type": "Prefilter and postfilter: maker replacement interval",
      "measure": "Prefilter and postfilter: maker replacement interval",
      "value": "6",
      "value_high": "",
      "unit": "months",
      "source": "GE Appliances, Reverse Osmosis System - When to Change the Membrane",
      "url": "https://products.geappliances.com/appliance/gea-support-search-content?contentId=21848",
      "data_years": "Undated guidance",
      "read": "2026-11-05",
      "area": "no area stated by the source",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-ge-prefilter-postfilter"
    },
    {
      "type": "Maker membrane replacement threshold: below this reduction",
      "measure": "Maker membrane replacement threshold: below this reduction",
      "value": "75",
      "value_high": "",
      "unit": "percent TDS reduction",
      "source": "GE Appliances, Reverse Osmosis System - When to Change the Membrane",
      "url": "https://products.geappliances.com/appliance/gea-support-search-content?contentId=21848",
      "data_years": "Undated guidance",
      "read": "2026-11-05",
      "area": "no area stated by the source",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-ge-tds-threshold"
    },
    {
      "type": "Maker TDS testing interval",
      "measure": "Maker TDS testing interval",
      "value": "1",
      "value_high": "",
      "unit": "years",
      "source": "GE Appliances, Reverse Osmosis System - When to Change the Membrane",
      "url": "https://products.geappliances.com/appliance/gea-support-search-content?contentId=21848",
      "data_years": "Undated guidance",
      "read": "2026-11-05",
      "area": "no area stated by the source",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-ge-annual-test"
    },
    {
      "type": "At least one year: WaterSense membrane performance criterion",
      "measure": "At least one year: WaterSense membrane performance criterion",
      "value": "1",
      "value_high": "",
      "unit": "years",
      "source": "U.S. EPA WaterSense, Point-of-Use Reverse Osmosis Systems",
      "url": "https://www.epa.gov/watersense/point-use-reverse-osmosis-systems",
      "data_years": "Page updated August 21, 2026",
      "read": "2026-11-05",
      "area": "US",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-epa-membrane-criterion"
    },
    {
      "type": "WaterSense criterion: no more than this reject-water ratio",
      "measure": "WaterSense criterion: no more than this reject-water ratio",
      "value": "2.3",
      "value_high": "",
      "unit": "gallons reject water per gallon treated",
      "source": "U.S. EPA WaterSense, Point-of-Use Reverse Osmosis Systems",
      "url": "https://www.epa.gov/watersense/point-use-reverse-osmosis-systems",
      "data_years": "Page updated August 21, 2026",
      "read": "2026-11-05",
      "area": "US",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-epa-reject-water"
    },
    {
      "type": "About every two weeks: EPA storage-tank draining interval",
      "measure": "About every two weeks: EPA storage-tank draining interval",
      "value": "2",
      "value_high": "",
      "unit": "weeks",
      "source": "U.S. EPA, Treating Water With Less Waste (November 2024)",
      "url": "https://www.epa.gov/system/files/documents/2024-11/ws-products-ro-systems-mini-report.pdf",
      "data_years": "November 2024 homeowner guide",
      "read": "2026-11-05",
      "area": "US",
      "n": "not published by the source",
      "se_points": "",
      "fact_id": "ro-epa-guide-tank-draining"
    }
  ]
}