{
  "city": "Riverside",
  "state": "CA",
  "slug": "riverside",
  "hardness_facts": [
    {
      "utility": "Riverside Public Utilities",
      "measure": "Hardness",
      "value_as_published": "Average 197 mg/L (12 grains per gallon), range 180-210 mg/L",
      "period": "Calendar year 2025",
      "source_title": "Riverside Public Utilities 2025 Water Quality Report",
      "source_url": "https://www.riversideca.gov/utilities/sites/riversideca.gov.utilities/files/pdf/water-quality/2025%20Water%20Quality%20Report.pdf"
    }
  ],
  "published_span_mg_per_l": [
    180,
    210
  ],
  "span_converted_from_grains": false,
  "usgs_class": "hard to very hard",
  "usgs_class_source": "https://www.usgs.gov/water-science-school/science/hardness-water",
  "notes": [],
  "local_details": {
    "disinfectant": {
      "text": "Riverside Public Utilities lists chlorine as its disinfectant. The 2025 report does not mention chloramine.",
      "kind": "chlorine",
      "source_title": "Riverside Public Utilities 2025 Water Quality Report",
      "source_url": "https://www.riversideca.gov/utilities/sites/riversideca.gov.utilities/files/pdf/water-quality/2025%20Water%20Quality%20Report.pdf",
      "evidence_ids": [
        "RIVERS-L-01"
      ]
    },
    "source_water": {
      "text": "Riverside water is local groundwater from the Bunker Hill and Riverside basins.",
      "source_title": "Riverside Public Utilities 2025 Water Quality Report",
      "source_url": "https://www.riversideca.gov/utilities/sites/riversideca.gov.utilities/files/pdf/water-quality/2025%20Water%20Quality%20Report.pdf",
      "evidence_ids": [
        "RIVERS-L-02"
      ]
    }
  },
  "sources_checked_on": "2026-10-27",
  "site": "https://riversidehomewatersystems.com/",
  "brand": "Riverside Home Water Systems by My Home Water System",
  "taking_requests": false
}