{
  "type": "water",
  "pwsid": "OH6800512",
  "name": "Eldorado, Village Of",
  "county": "Preble",
  "population": 539,
  "producer": true,
  "source_class": "groundwater",
  "label": "Groundwater wells (2 wells)",
  "bodies": [],
  "intakes": [],
  "wells": 2,
  "aquifer": "",
  "notes": "",
  "urls": [],
  "chain": [
    "OH6800512"
  ],
  "plants": [],
  "facts": {
    "hist": [
      [
        "before 1880",
        "Village of Eldorado already settled; the 1880 census recorded 337 residents."
      ],
      [
        "1990",
        "Population peaked at 549 residents (up from 509 in 1980) before declining to 543 in 2000, 509 in 2010, and 458 in 2020."
      ]
    ],
    "treat": "Corrected from the researcher's guess: EPA's federal SDWIS database lists Eldorado's treatment processes as slat-tray aeration, rapid sand filtration, a reaction step, and post-hypochlorination -- consistent with an iron/manganese removal plant ahead of chlorine disinfection, not mere 'simple…",
    "press": "Not published; no source-water assessment, engineering report, or council document describing system pressure could be located.",
    "rate": {
      "g": null,
      "n": "No published rate schedule found for the village water utility; no Municode/American Legal-hosted ordinance or utility billing page could be located for this ~539-resident village.",
      "m": null
    },
    "imp": [],
    "proj": [],
    "plan": [],
    "stress": "No source-water assessment or capacity data was retrievable; unable to characterize stress with confidence for this small groundwater system.",
    "sew": {
      "s": "Not verified from a primary source.",
      "st": "Not verified from a primary source."
    },
    "fun": [
      "Eldorado is one of Ohio's smallest incorporated villages, covering just 0.23 square miles.",
      "The village's population density (about 2,000 people per square mile) is high for a rural Preble County community because the built area is so compact.",
      "Eldorado is served by the Preble County District Library and the National Trail Local School District."
    ],
    "src": {
      "history": [
        "https://en.wikipedia.org/wiki/Eldorado,_Ohio"
      ],
      "treatment": [
        "https://data.epa.gov/efservice/treatment/pwsid/OH6800512/JSON"
      ],
      "fun_facts": [
        "https://en.wikipedia.org/wiki/Eldorado,_Ohio"
      ]
    }
  },
  "zips_served": [
    {
      "zip": "45321",
      "share": 0.5891,
      "dominant": true
    }
  ],
  "photo": {
    "url": "/photos/OH6800512.jpg",
    "caption": "Buildings at Main and Mill Streets (State Route 726) in Eldorado, Ohio",
    "credit": "Nyttend",
    "license": "Public domain"
  },
  "url": "https://crackedbuckeye.com/water/OH6800512/",
  "api": "https://crackedbuckeye.com/api/water/OH6800512.json",
  "generated": "2026-09-16",
  "license": "CC BY 4.0 for the compilation; each source keeps its own terms",
  "cite": "Cracked Buckeye (Open Shower Co), \"Eldorado, Village Of · OH6800512\", https://crackedbuckeye.com/water/OH6800512/, built 2026-09-16, accessed [date].",
  "schema": "https://crackedbuckeye.com/api/schema.json"
}