{
  "type": "water",
  "pwsid": "OH7100112",
  "name": "Chillicothe City",
  "county": "Ross",
  "population": 21725,
  "producer": true,
  "source_class": "groundwater",
  "label": "Scioto Buried Valley Aquifer (Teays Valley system) wells",
  "bodies": [
    "Scioto River valley (buried aquifer)"
  ],
  "intakes": [],
  "wells": 8,
  "aquifer": "Scioto Buried River Valley Aquifer (Teays Valley Aquifer)",
  "notes": "Seven to eight deep wells (116-176 ft) in Yoctangee Park draw from the ancient Teays River buried valley beneath the modern Scioto River; replaced an earlier river-water source.",
  "urls": [
    "https://cmuchillicothe.com/water/",
    "https://www.sciotopost.com/safety-and-care-of-water-supply-evident-in-visit-to-chillicothe-water-plant/"
  ],
  "chain": [
    "OH7100112"
  ],
  "plants": [
    {
      "n": "Chillicothe City Water Treatment Plant",
      "a": "Chillicothe, Ross County, OH 45601",
      "la": 39.3328,
      "lo": -82.9821,
      "pt": "approximate",
      "wb": "Scioto Buried Valley Aquifer (Teays Valley system)",
      "src": "Eight active wells in the Scioto River buried-valley (Teays Valley) aquifer serving the city well field",
      "cls": "groundwater",
      "in": [
        {
          "n": "Yoctangee Park Well Field",
          "wb": "Scioto Buried Valley (Teays Valley) Aquifer — deep sand and gravel filling the ancient, pre-glacial Teays River valley beneath the modern…",
          "role": "primary",
          "src": "All 8 active city wells draw from deep sand-and-gravel deposits of the buried Teays Valley near Yoctangee Park, just north of a former paper-plant site, along the Scioto River in Chillicothe (8 wells)",
          "la": 39.3328,
          "lo": -82.9821,
          "pt": "plant",
          "wells": [
            "Well 14",
            "Well 15",
            "Well 19",
            "Well 20",
            "Well 21",
            "Well 22",
            "Well 23",
            "Well 24"
          ]
        }
      ]
    }
  ],
  "facts": {
    "hist": [
      [
        "1941",
        "The city's water treatment plant on Park Street opened; it was later demolished and the site is now Veterans Memorial Park."
      ],
      [
        "1991",
        "The current Chillicothe water treatment plant, in Yoctangee Park next to the well field, went into service, replacing the 1941 Park Street plant."
      ],
      [
        "2003",
        "Ohio EPA source water assessment completed for the city's well field, rating the aquifer highly susceptible to contamination."
      ],
      [
        "2019",
        "Source water assessment updated in May 2019."
      ],
      [
        "2022",
        "Source water assessment revised again in September 2022."
      ]
    ],
    "treat": "Raw water is drawn from seven deep wells in Yoctangee Park, immediately adjacent to the treatment plant, in the Scioto Buried River Valley (Teays Valley) aquifer. The plant lime-softens the water to remove hardness, then adds carbon dioxide to readjust pH after softening; chlorine is added as a…",
    "press": "Not published in any source reviewed — no distribution pressure figures appear in the CCR, the utilities department pages, or local reporting on the plant.",
    "rate": {
      "g": 6.62,
      "n": "Inside-city block schedule (City of Chillicothe Water & Sewer Rate Information sheet, no effective date printed): $8.48 minimum on a 3/4x5/8-inch meter covering the first 200…",
      "m": 28.28
    },
    "imp": [
      [
        "Total Trihalomethanes (TTHM)",
        "60.5",
        "ppb",
        "80",
        "2025",
        "Range 36.1-60.5 ppb; disinfection byproduct; no violation. The highest DBP reading of the three systems in this batch."
      ],
      [
        "Haloacetic Acids (HAA5)",
        "7.7",
        "ppb",
        "60",
        "2025",
        "Range ND-7.7 ppb; no violation."
      ],
      [
        "Chlorine",
        "1.18",
        "ppm",
        "4 (MRDL)",
        "2025",
        "Range 1.10-1.29 ppm; water additive used to control microbes."
      ],
      [
        "Fluoride",
        "1.11",
        "ppm",
        "4",
        "2025",
        "Natural deposits plus additive; no range reported; no violation."
      ],
      [
        "Nitrate",
        "0.15",
        "ppm",
        "10",
        "2025",
        "Well below the MCL."
      ],
      [
        "Barium",
        "0.18",
        "ppm",
        "2",
        "2025",
        "Erosion of natural deposits; no range reported; no violation."
      ],
      [
        "Lead (90th percentile)",
        "ND",
        "ppb",
        "15 (action…",
        "2025",
        "Not detected at any of 30 sites; 0 of 30 above the action level."
      ],
      [
        "Copper (90th percentile)",
        "0.028",
        "ppm",
        "1.3 (action…",
        "2025",
        "Range 0.010-0.037 ppm; 0 of 30 sites above the action level."
      ]
    ],
    "proj": [],
    "plan": [],
    "stress": "Supply quantity is not the issue; source vulnerability is. Ohio EPA rates the Scioto Buried River Valley aquifer beneath the well field highly susceptible to contamination for three stated reasons: no protective clay layer over the aquifer, shallow depth (less than 20 feet below ground surface), and numerous significant potential…",
    "sew": {
      "s": "The City of Chillicothe Utilities Department operates its own wastewater treatment plant alongside the water plant; Dale Goebel is the wastewater treatment plant supervisor and Randy Cartwright supervises water distribution and sanitary sewer collection. The department publishes sewer rates ($9.49 minimum plus $4.63 per 100 cubic feet…",
      "st": "No stormwater division, utility fee, or drainage program is listed by the Utilities Department, and none was found elsewhere. The city's Scioto River floodwall protects downtown from river flooding, but that is flood control rather than a storm sewer system."
    },
    "fun": [
      "The city's wells sit inside Yoctangee Park, drawing from the buried channel of the ancient Teays River — a prehistoric river system erased by glaciation and buried under younger sediment long before the modern Scioto…",
      "The plant pumps roughly a billion gallons a year; treatment chemicals run about $375,000 annually and electricity about $200,000, the plant's two largest costs.",
      "Chillicothe's Scioto River floodwall doubles as recreation infrastructure: it carries a 5-mile paved bike path.",
      "The city keeps emergency water connections to Ross County Water Company and the Chillicothe Correctional Institution — and used neither in 2025.",
      "An original 3.8-million-gallon storage basin on Carlisle Hill is topped with a floating rubber cover."
    ],
    "src": {
      "history": [
        "https://cms7files.revize.com/chillicotheohnew/document_center/Utilities/CCR%202025.pdf",
        "https://www.sciotopost.com/safety-and-care-of-water-supply-evident-in-visit-to-chillicothe-water-plant/"
      ],
      "treatment": [
        "https://cms7files.revize.com/chillicotheohnew/document_center/Utilities/CCR%202025.pdf"
      ],
      "rates": [
        "https://cms7files.revize.com/chillicotheohnew/Utilities/Water%20&%20Sewer%20Rate%20Information.pdf"
      ],
      "impurities": [
        "https://cms7files.revize.com/chillicotheohnew/document_center/Utilities/CCR%202025.pdf"
      ],
      "water_stress": [
        "https://cms7files.revize.com/chillicotheohnew/document_center/Utilities/CCR%202025.pdf"
      ],
      "sewer": [
        "https://www.chillicotheoh.gov/departments/utilities/index.php",
        "https://cms7files.revize.com/chillicotheohnew/Utilities/Water%20&%20Sewer%20Rate%20Information.pdf"
      ],
      "fun_facts": [
        "https://cms7files.revize.com/chillicotheohnew/document_center/Utilities/CCR%202025.pdf",
        "https://www.sciotopost.com/safety-and-care-of-water-supply-evident-in-visit-to-chillicothe-water-plant/",
        "https://en.wikipedia.org/wiki/Chillicothe,_Ohio"
      ]
    }
  },
  "zips_served": [
    {
      "zip": "45601",
      "share": 0.461,
      "dominant": true
    }
  ],
  "photo": {
    "url": "/photos/OH7100112.jpg",
    "caption": "Water treatment plant in Yoctangee Park, Chillicothe, Ohio",
    "credit": "Dan Keck from Ohio",
    "license": "CC0"
  },
  "url": "https://crackedbuckeye.com/water/OH7100112/",
  "api": "https://crackedbuckeye.com/api/water/OH7100112.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), \"Chillicothe City · OH7100112\", https://crackedbuckeye.com/water/OH7100112/, built 2026-09-16, accessed [date].",
  "schema": "https://crackedbuckeye.com/api/schema.json"
}
