{
  "city": "Fort Worth",
  "state": "TX",
  "slug": "fort-worth",
  "hardness_facts": [
    {
      "utility": "Fort Worth Water",
      "measure": "Total hardness as CaCO3",
      "value_as_published": "76.5 to 175 ppm (5 to 10 grains per gallon), range only",
      "period": "Calendar year 2024",
      "source_title": "Fort Worth Water's 2024 water quality data for wholesale customers, as printed in Westworth Village's 2024 report",
      "source_url": "https://www.cityofwestworth.com/ArchiveCenter/ViewFile/Item/67"
    }
  ],
  "published_span_mg_per_l": [
    76.5,
    175
  ],
  "span_converted_from_grains": false,
  "usgs_class": "moderately hard to hard",
  "usgs_class_source": "https://www.usgs.gov/water-science-school/science/hardness-water",
  "notes": [
    "Fort Worth's own 2023 and 2024 reports would not load for us. The 2024 figures above are Fort Worth Water's data as reprinted by Westworth Village, a city that buys Fort Worth water.",
    "Fort Worth's own 2022 report gave 100 to 171 ppm (6 to 10 grains per gallon)."
  ],
  "local_details": {
    "disinfectant": {
      "text": "Fort Worth Water lists chloramine as the additive that controls microbes, at 2.00 to 3.70 ppm in 2024.",
      "kind": "chloramine",
      "source_title": "Fort Worth Water's 2024 water quality data, printed in Westworth Village's 2024 report",
      "source_url": "https://www.cityofwestworth.com/ArchiveCenter/ViewFile/Item/67",
      "evidence_ids": [
        "FORTWO-L-01"
      ]
    },
    "source_water": {
      "text": "Fort Worth uses surface water from Lake Worth, Eagle Mountain Lake, Lake Bridgeport, Richland-Chambers Reservoir, Cedar Creek Reservoir, Lake Benbrook and the Clear Fork of the Trinity River.",
      "source_title": "Fort Worth Water's 2024 water quality data, printed in Westworth Village's 2024 report",
      "source_url": "https://www.cityofwestworth.com/ArchiveCenter/ViewFile/Item/67",
      "evidence_ids": [
        "FORTWO-L-02"
      ]
    }
  },
  "sources_checked_on": "2026-10-27",
  "site": "https://fortworthwatersystems.com/",
  "brand": "Fort Worth Water Systems by My Home Water System",
  "taking_requests": false
}