{
  "city": "Pittsburgh",
  "state": "PA",
  "slug": "pittsburgh",
  "hardness_facts": [
    {
      "utility": "Pittsburgh Water",
      "measure": "Hardness, as Pittsburgh Water describes it",
      "value_as_published": "\"Moderately hard\" (no number given)",
      "period": "Undated web page",
      "source_title": "Water Quality FAQ | Pittsburgh Water",
      "source_url": "https://www.pgh2o.com/node/5164"
    }
  ],
  "published_span_mg_per_l": null,
  "span_converted_from_grains": false,
  "usgs_class": null,
  "usgs_class_source": "https://www.usgs.gov/water-science-school/science/hardness-water",
  "notes": [
    "Pittsburgh Water's 2019, 2020 and 2022 water quality reports list calcium but no hardness figure, and its 2021, 2024 and 2025 reports and its treatment FAQ are closed to automated reading, so we have no published number."
  ],
  "local_details": {
    "disinfectant": {
      "text": "Pittsburgh Water treats filtered water with chlorine.",
      "kind": "chlorine",
      "source_title": "Pittsburgh Water 2022 Water Quality Report",
      "source_url": "https://www.pgh2o.com/sites/default/files/2023-05/FINAL_PWSA_CCR_2022.pdf",
      "evidence_ids": [
        "PITTSB-L-01"
      ]
    },
    "source_water": {
      "text": "Pittsburgh Water draws all of its drinking water from the Allegheny River.",
      "source_title": "Pittsburgh Water, our water source",
      "source_url": "https://www.pgh2o.com/node/28",
      "evidence_ids": [
        "PITTSB-L-02"
      ]
    },
    "service": {
      "text": "Pittsburgh Water supplies most of the city. Some neighborhoods get only sewer service from it and buy water from another provider, such as Pennsylvania American Water, so check your bill.",
      "source_title": "Pittsburgh Water service area page",
      "source_url": "https://www.pgh2o.com/node/280",
      "evidence_ids": [
        "PITTSB-L-03"
      ]
    }
  },
  "sources_checked_on": "2026-10-27",
  "site": "https://pittsburghwatersystems.com/",
  "brand": "Pittsburgh Water Systems by My Home Water System",
  "taking_requests": false
}