{
  "type": "water",
  "pwsid": "OH5701212",
  "name": "Miamisburg City",
  "county": "Montgomery",
  "population": 19790,
  "producer": true,
  "source_class": "groundwater",
  "label": "Great Miami Buried Valley Aquifer (wells)",
  "bodies": [],
  "intakes": [],
  "wells": 7,
  "aquifer": "Great Miami Buried Valley Aquifer",
  "notes": "Wells positioned near the Great Miami River draw from the buried valley aquifer.",
  "urls": [
    "https://www.mcohio.org/357/Our-Water-Source",
    "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf"
  ],
  "chain": [
    "OH5701212"
  ],
  "plants": [
    {
      "n": "Miamisburg City Water Treatment Plant",
      "a": "Miamisburg, Montgomery County, OH 45342 (well field location not precisely confirmed)",
      "la": 39.6453,
      "lo": -84.286,
      "pt": "approximate",
      "wb": "Great Miami River buried-valley aquifer",
      "src": "Wells drawing from the Great Miami buried-valley aquifer near the Great Miami River corridor at Miamisburg (7 active wells)",
      "cls": "groundwater",
      "in": [
        {
          "n": "Miamisburg well field (Great Miami River corridor)",
          "wb": "Great Miami Buried Valley Aquifer - highly permeable sand-and-gravel outwash, locally up to ~200 ft thick",
          "role": "primary",
          "src": "7 active production wells sited on land adjacent to the Great Miami River near the treatment plant, drawing from the sand-and-gravel buried-valley aquifer that underlies the river corridor; exact individual well siting not published (7 wells)",
          "la": 39.6453,
          "lo": -84.286,
          "pt": "plant",
          "wells": [
            "Well 8",
            "Well 9",
            "Well 10",
            "Well 11",
            "Well 12",
            "Well 14",
            "Well 15"
          ]
        }
      ]
    }
  ],
  "facts": {
    "hist": [
      [
        "1988",
        "U.S. EPA designated the Great Miami Buried Valley Aquifer, the source of Miamisburg's wells, a federal Sole Source Aquifer (May 1988)."
      ],
      [
        "October 2018",
        "The city put its new reverse-osmosis softening plant online at the Water Treatment Facility, the second-most expensive piece of a water and sewer master plan totalling more than $69 million; hardness…"
      ],
      [
        "2024",
        "Miamisburg exceeded the MCL for tetrachloroethylene (PCE): highest level found 6 ppb against a 5 ppb MCL, with detections ranging 0.2-12.1 ppb. Typical sources are discharge from factories and dry…"
      ],
      [
        "2025",
        "The city's 2025 CCR published a formal corrections notice for its 2024 report: wrong copper and lead action levels and MCLGs, a wrong PCE MCL and MCLG, a missing PCE range of detection, non-detected…"
      ],
      [
        "2026-2027",
        "Two new production wells and an 18-inch raw water transmission main from a new Soldiers Home Road wellfield to the Water Treatment Facility went to bid in February 2026 and into construction…"
      ]
    ],
    "treat": "Miamisburg treats its own groundwater. Five production wells on land next to the Great Miami River draw from the Great Miami River Buried Valley Aquifer System (two more wells are under construction). Raw water is pumped to the Water Treatment Facility, where it is treated by chemical oxidation to…",
    "press": "Not published. No distribution pressure or psi figure appears in the city's CCR, utility pages or water/sewer department pages.",
    "rate": {
      "g": 9.74,
      "n": "Rates are set by ordinance and take effect on the first bill of each year. The minimum monthly charge for most single-family residential meters is $69.30, made up of $21.71 water…",
      "m": 32.14
    },
    "imp": [
      [
        "Tetrachloroethene (PCE)",
        "6",
        "ppb",
        "5 ppb MCL",
        "2024",
        "MCL violation. Range of detections 0.2-12.1 ppb. Source: discharge from factories and dry cleaners. Long-term exposure…"
      ],
      [
        "Total Trihalomethanes (TTHM)",
        "20.2",
        "ppb",
        "80 ppb MCL",
        "2025",
        "Range 10.5-20.2 ppb. No violation."
      ],
      [
        "Haloacetic Acids (HAA5)",
        "ND",
        "ppb",
        "60 ppb MCL",
        "2025",
        "Not detected."
      ],
      [
        "Total chlorine",
        "0.93",
        "ppm",
        "MRDL 4 ppm",
        "2025",
        "Range 0.63-1.22 ppm."
      ],
      [
        "Fluoride",
        "0.94",
        "ppm",
        "4 ppm MCL",
        "2025",
        "Range 0.80-1.11 ppm. Added to the treated water."
      ],
      [
        "Nitrate",
        "0.61",
        "ppm",
        "10 ppm MCL",
        "2025",
        "Well below the limit."
      ],
      [
        "Barium",
        "0.039",
        "ppm",
        "2 ppm MCL",
        "2024",
        "Monitored less than annually because levels change slowly."
      ],
      [
        "Lead (90th percentile)",
        "2.3",
        "ppb",
        "15 ppb action…",
        "2025",
        "0 of 21 samples exceeded the action level."
      ],
      [
        "Copper (90th percentile)",
        "0.090",
        "ppm",
        "1.3 ppm action…",
        "2025",
        "0 of 21 samples exceeded the action level."
      ],
      [
        "Perfluorobutanesulfonic acid (PFBS)",
        "0.0012-0.0015",
        "ppb",
        "no MCL",
        "2024",
        "UCMR5 entry-point results: 0.0015 ppb in March 2024 and 0.0012 ppb in July 2024, against a 0.0011 ppb method detection…"
      ]
    ],
    "proj": [
      [
        "Reverse osmosis softening plant",
        null,
        "2018",
        "completed",
        "New R/O softening train at the Water Treatment Facility, online October 2018, cutting hardness from about 22 grains per gallon to an average of 7.5-8. It was…"
      ],
      [
        "Production wells and raw water main",
        8153365,
        "2026-2027",
        "under construction",
        "Two new production wells to increase overall supply plus an 18-inch transmission main connecting the new Soldiers Home Road wellfield to the Water Treatment…"
      ],
      [
        "2024 CCR corrections",
        null,
        "2025",
        "completed",
        "The city republished corrected copper and lead action levels and MCLGs, the correct PCE MCL/MCLG and range of detection, consistent units, and a direct CCR…"
      ]
    ],
    "plan": [
      [
        "Lead service line inventory maintenance",
        null,
        "",
        "completed",
        "Required under the Lead and Copper Rules. The inventory is published at cityofmiamisburg.com/leadservice; its omission from the 2024 CCR was a reporting error…"
      ]
    ],
    "stress": "Ohio EPA's source water assessment rates the aquifer supplying Miamisburg as highly susceptible to contamination, for four stated reasons: no protective clay layer over the aquifer, a shallow water table less than 15 feet below ground surface, significant potential contaminant sources nearby, and manmade contaminants already present.…",
    "sew": {
      "s": "Miamisburg runs its own collection system and Water Reclamation Facility through its Sanitary Collections and Reclamation division; sewer is billed on the same monthly utility bill as water and refuse, at a $29.59 minimum plus $7.69 per unit above 3 units. Sewer work was the other half of the master plan of more than $69 million funded…",
      "st": "No separate stormwater charge appears on the residential utility bill; the city's published minimum monthly charge is made up only of water, sewer and refuse. No Miamisburg stormwater utility or combined-versus-separate sewer documentation could be…"
    },
    "fun": [
      "Miamisburg's production wells sit right beside the Great Miami River, but the city deliberately draws from a much deeper aquifer beneath the shallow, contaminated water table barely 15 feet down.",
      "Before 2018 the tap water ran about 22 grains per gallon of hardness; the reverse-osmosis plant brought it to roughly 7.5 grains, soft enough that the city had to publish instructions telling residents to readjust their…",
      "The city has emergency interconnections with West Carrollton and Montgomery County and used neither of them at all in 2025.",
      "Miamisburg's CCR explains a part per billion as 'one second in 31.7 years', and a part per million as one second in a little over 11.5 days.",
      "The Miami Conservancy District estimates 97 percent of the population of the Great Miami River watershed, about 2.3 million people, drinks groundwater from the same buried-valley aquifer system, which holds roughly 1.5…"
    ],
    "src": {
      "history": [
        "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf",
        "https://www.mcdwater.org/what-is-an-aquifer",
        "https://cityofmiamisburg.com/water-softening-information/",
        "https://cityofmiamisburg.com/production-wells-and-raw-water-main-project/"
      ],
      "treatment": [
        "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf",
        "https://cityofmiamisburg.com/water-sewer/"
      ],
      "rates": [
        "https://cityofmiamisburg.com/utility-billing-faqs/",
        "https://cityofmiamisburg.com/utility-rates/",
        "https://cityofmiamisburg.com/utility-and-trash-rates-increase-next-year/"
      ],
      "impurities": [
        "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf"
      ],
      "projects": [
        "https://cityofmiamisburg.com/production-wells-and-raw-water-main-project/",
        "https://cityofmiamisburg.com/water-softening-information/",
        "https://cityofmiamisburg.com/water-sewer/",
        "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf"
      ],
      "planned": [
        "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf",
        "https://cityofmiamisburg.com/production-wells-and-raw-water-main-project/"
      ],
      "water_stress": [
        "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf"
      ],
      "sewer": [
        "https://cityofmiamisburg.com/sanitary-collections-and-reclamation/",
        "https://cityofmiamisburg.com/utility-billing-faqs/",
        "https://cityofmiamisburg.com/water-sewer/"
      ],
      "fun_facts": [
        "https://storage.googleapis.com/proudcity/miamisburgoh/2026/05/fcbbc3c5-city-of-miamisburg-2025-water-report.pdf",
        "https://www.mcdwater.org/what-is-an-aquifer",
        "https://cityofmiamisburg.com/water-softening-information/"
      ]
    }
  },
  "zips_served": [
    {
      "zip": "45342",
      "share": 0.5215,
      "dominant": true
    }
  ],
  "photo": {
    "url": "/photos/OH5701212.jpg",
    "caption": "Aerial view of Miamisburg, Ohio with the Great Miami River visible, source of the city's buried-valley aquifer wells",
    "credit": "Nyttend",
    "license": "Public domain"
  },
  "url": "https://crackedbuckeye.com/water/OH5701212/",
  "api": "https://crackedbuckeye.com/api/water/OH5701212.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), \"Miamisburg City · OH5701212\", https://crackedbuckeye.com/water/OH5701212/, built 2026-09-16, accessed [date].",
  "schema": "https://crackedbuckeye.com/api/schema.json"
}