{
  "type": "water",
  "pwsid": "OH1600012",
  "name": "Coshocton",
  "county": "Coshocton",
  "population": 13537,
  "producer": true,
  "source_class": "groundwater",
  "label": "Sand & gravel aquifer near Walhonding River/Mill Creek valley (wells)",
  "bodies": [],
  "intakes": [],
  "wells": 8,
  "aquifer": "Walhonding River valley sand & gravel aquifer",
  "notes": "8 wells tap a buried valley sand-and-gravel aquifer near Mill Creek and the Walhonding River, not the surface river itself.",
  "urls": [
    "https://www.cityofcoshocton.com/utilities-department/",
    "https://www.coshoctoncounty.net/swcd/wp-content/uploads/sites/9/2022/11/Coshocton_GWR.pdf"
  ],
  "chain": [
    "OH1600012"
  ],
  "plants": [
    {
      "n": "Coshocton Water Treatment Plant",
      "a": "118 Bridge Street, Coshocton, OH 43812",
      "la": 40.295,
      "lo": -81.862,
      "pt": "intake",
      "wb": "Walhonding River / Mill Creek (buried valley sand-and-gravel aquifer)",
      "src": "Wells in a buried sand-and-gravel valley aquifer just off State Route 83 N, near where Mill Creek meets the Walhonding River north of downtown Coshocton",
      "cls": "groundwater",
      "in": [
        {
          "n": "Mill Creek/Walhonding River well field",
          "wb": "Buried sand-and-gravel valley aquifer (submerged glacial valley fill) beneath the Mill Creek/Walhonding River confluence",
          "role": "primary",
          "src": "All 8 active wells sit just off State Route 83 N where Mill Creek meets the Walhonding River north of downtown, tapping a saturated sand-and-gravel valley aquifer recharged by the two streams. (8 wells)",
          "la": 40.295,
          "lo": -81.862,
          "pt": "plant",
          "wells": [
            "Well 8",
            "Well 9",
            "Well 1",
            "Well 2",
            "Well 3",
            "Well 5",
            "Well 6",
            "Well 7"
          ]
        }
      ]
    }
  ],
  "facts": {
    "hist": [
      [
        "2008",
        "Water treatment plant expansion completed; on Ohio EPA criteria the plant is rated to deliver up to 15 million gallons per day."
      ],
      [
        "2008",
        "Wastewater treatment plant renovated: all three trickling filters rebuilt and a new high-strength BOD removal system installed."
      ],
      [
        "2020",
        "System sampled under Ohio's statewide drinking water PFAS Sampling Initiative; six PFAS compounds tested, none detected in finished water."
      ],
      [
        "2021",
        "Waterline expansion carried city water out to West Lafayette, the template later cited for the Warsaw extension."
      ],
      [
        "2022",
        "Revised Ordinance 12-22 set an eight-year schedule of annual water and sewer rate increases from the June 2022 billing through June 2029, along with trash, stormwater, tap, bulk water and…"
      ],
      [
        "2024",
        "System participated in the fifth round of the federal Unregulated Contaminant Monitoring Rule (UCMR 5); all samples came back non-detect."
      ]
    ],
    "treat": "Water comes from a well field just off State Route 83 N near the junction of Mill Creek and the Walhonding River, in a submersed valley geology tapping a large saturated sand-and-gravel aquifer. At the plant the water goes through lime softening, stabilization by recarbonation, filtration…",
    "press": "Not published. Neither the 2025 CCR nor the utilities department page gives a distribution pressure figure.",
    "rate": {
      "g": 8.77,
      "n": "Coshocton bills by the 1,000 CUBIC FEET, not the 1,000 gallons; 1,000 CF = 7,480 gallons. Inside city limits for the June 2026 billing (Revised Ordinance 12-22): $29.78 minimum…",
      "m": 59.3
    },
    "imp": [
      [
        "Total Chlorine",
        "1.399",
        "ppm",
        "4 (MRDL)",
        "2025",
        "Highest level detected, range 1.24-1.57 over calendar year 2025; disinfectant residual, compliant."
      ],
      [
        "Total Trihalomethanes (TTHM)",
        "16.8",
        "ppb",
        "80",
        "2025",
        "Highest level detected 9/10/2025, range 12.3-16.8; disinfection byproduct, well under the limit."
      ],
      [
        "Haloacetic Acids (HAA5)",
        "<6",
        "ppb",
        "60",
        "2025",
        "Below the detection limit of 6 ppb on 9/10/2025."
      ],
      [
        "Fluoride",
        "1.16",
        "ppm",
        "4.0",
        "2025",
        "Highest level detected, range 0.55-1.16 over calendar year 2025; compliant."
      ],
      [
        "Barium",
        "0.033",
        "ppm",
        "2",
        "2023",
        "Naturally occurring; monitored less than annually."
      ],
      [
        "Nitrate (as N)",
        "0.585",
        "ppm",
        "10",
        "2025",
        "Single sample 5/5/2025; low."
      ],
      [
        "Copper",
        "0.038",
        "ppm",
        "1.3 (Action…",
        "2024",
        "90th percentile from sampling 6/13/2024-9/16/2024; 0 of 30 samples over the action level."
      ],
      [
        "Lead",
        "0",
        "ppb",
        "15 (Action…",
        "2024",
        "90th percentile from sampling 6/13/2024-9/16/2024; 0 of 30 samples over the action level."
      ]
    ],
    "proj": [
      [
        "Water treatment plant expansion",
        null,
        "2008",
        "completed",
        "Left the plant rated to deliver up to 15 MGD on Ohio EPA criteria. No cost is published in the sources reviewed."
      ],
      [
        "Wastewater treatment plant trickling-filter renovation",
        null,
        "2008",
        "completed",
        "All three trickling filters rebuilt and a high-strength BOD removal system added. No cost is published in the sources reviewed."
      ],
      [
        "West Lafayette waterline expansion",
        null,
        "2021",
        "completed",
        "Extended city water service out to West Lafayette; cited in 2024 as the model for the Warsaw project. No cost is published in the sources reviewed."
      ],
      [
        "Lead service line inventory",
        null,
        "2025",
        "completed",
        "Citywide inventory of service line materials required under the Lead and Copper Rule, dated 5/20/2025 and linked from the city's water quality report."
      ],
      [
        "Wastewater plant digester improvements",
        11250000,
        "2024",
        "planned",
        "Water Pollution Control Loan Fund agreement, first reading May 2024, repaid through sewer usage charges. The two primary digesters and one secondary digester…"
      ],
      [
        "Well field equipment and power supply upgrade",
        1100000,
        "2024",
        "planned",
        "Revised estimate of $1.1 million to replace well field equipment and systems dating to the 1960s, including an electrical refeed by American Electric Power…"
      ]
    ],
    "plan": [
      [
        "Coshocton-to-Warsaw waterline extension",
        5000000,
        "2024",
        "planned",
        "About 44,000 linear feet of waterline along U.S. Route 36 from Coshocton to the Village of Warsaw, plus a new water storage tank and replacement of all service…"
      ]
    ],
    "stress": "Ohio EPA's drinking water source assessment classifies Coshocton as a High Susceptibility PWS based on high sensitivity: the aquifer is sensitive in nature and potential contaminant sources have been identified nearby. The city stresses this does not mean the well field will be contaminated, only that conditions allow it. There is no…",
    "sew": {
      "s": "City-operated wastewater treatment plant at 2742 County Road 271, a trickling-filter facility with 4.4 MGD total capacity and about 2.7 MGD still available; all three filters were rebuilt and a high-strength BOD removal system added in 2008. An $11.25 million digester improvement project financed through Ohio EPA's Water Pollution…",
      "st": "The city bills a stormwater charge under Revised Ordinance 12-22 of $0.25 per month per residential unit and $1.00 per commercial unit — among the smallest published stormwater fees in Ohio and, unlike water and sewer, not on an escalation schedule. Whether…"
    },
    "fun": [
      "Coshocton bills water by the 1,000 cubic feet rather than the 1,000 gallons, and its 2022 rate ordinance locked in a raise every June from 2022 through 2029 — so a resident can look up what their 2029 bill will be today.",
      "The water plant runs a 24/7 self-serve bulk station at a penny a gallon, with volume breaks down to $0.006 a gallon for anyone hauling more than 2 million gallons a month.",
      "The city's stormwater fee is a quarter a month for a house and a dollar for a business.",
      "The wells sit in a buried sand-and-gravel valley where Mill Creek meets the Walhonding, just upstream of the point in town where the Walhonding and Tuscarawas join to form the Muskingum.",
      "A 2020 statewide PFAS survey and the 2024 UCMR 5 round both came back non-detect for Coshocton's finished water."
    ],
    "src": {
      "history": [
        "https://www.cityofcoshocton.com/utilities-department/",
        "https://www.cityofcoshocton.com/wp-content/uploads/2026/06/Coshocton-PWS-2025-CCR-Final-Copy-6.5.2026.pdf",
        "https://www.cityofcoshocton.com/wp-content/uploads/2022/05/Utility-Department-Rates-and-Fees.pdf",
        "https://www.aol.com/water-wastewater-upgrades-priority-coshocton-091409233.html"
      ],
      "treatment": [
        "https://www.cityofcoshocton.com/wp-content/uploads/2026/06/Coshocton-PWS-2025-CCR-Final-Copy-6.5.2026.pdf",
        "https://www.cityofcoshocton.com/utilities-department/"
      ],
      "rates": [
        "https://www.cityofcoshocton.com/wp-content/uploads/2022/05/Utility-Department-Rates-and-Fees.pdf"
      ],
      "impurities": [
        "https://www.cityofcoshocton.com/wp-content/uploads/2026/06/Coshocton-PWS-2025-CCR-Final-Copy-6.5.2026.pdf"
      ],
      "projects": [
        "https://www.cityofcoshocton.com/utilities-department/",
        "https://www.aol.com/water-wastewater-upgrades-priority-coshocton-091409233.html",
        "https://www.cityofcoshocton.com/wp-content/uploads/2026/06/Coshocton-PWS-2025-CCR-Final-Copy-6.5.2026.pdf"
      ],
      "planned": [
        "https://www.aol.com/water-wastewater-upgrades-priority-coshocton-091409233.html",
        "https://content.govdelivery.com/attachments/OHIOGOVERNOR/2023/07/20/file_attachments/2560320/Ohio%20BUILDS%20Water%20Infrastructure%20Grant%20Projects%20-%20Round%205.pdf"
      ],
      "water_stress": [
        "https://www.cityofcoshocton.com/wp-content/uploads/2026/06/Coshocton-PWS-2025-CCR-Final-Copy-6.5.2026.pdf",
        "https://www.cityofcoshocton.com/utilities-department/",
        "https://www.aol.com/water-wastewater-upgrades-priority-coshocton-091409233.html"
      ],
      "sewer": [
        "https://www.cityofcoshocton.com/utilities-department/",
        "https://www.cityofcoshocton.com/wp-content/uploads/2022/05/Utility-Department-Rates-and-Fees.pdf",
        "https://www.aol.com/water-wastewater-upgrades-priority-coshocton-091409233.html"
      ],
      "fun_facts": [
        "https://www.cityofcoshocton.com/wp-content/uploads/2022/05/Utility-Department-Rates-and-Fees.pdf",
        "https://www.cityofcoshocton.com/utilities-department/",
        "https://www.cityofcoshocton.com/wp-content/uploads/2026/06/Coshocton-PWS-2025-CCR-Final-Copy-6.5.2026.pdf",
        "https://en.wikipedia.org/wiki/Coshocton,_Ohio"
      ]
    }
  },
  "zips_served": [
    {
      "zip": "43812",
      "share": 0.644,
      "dominant": true
    }
  ],
  "photo": {
    "url": "/photos/OH1600012.jpg",
    "caption": "The Walhonding River at Coshocton, Ohio, 2004",
    "credit": "Tim Kiser (Malepheasant at English Wikipedia)",
    "license": "CC BY-SA 2.5"
  },
  "url": "https://crackedbuckeye.com/water/OH1600012/",
  "api": "https://crackedbuckeye.com/api/water/OH1600012.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), \"Coshocton · OH1600012\", https://crackedbuckeye.com/water/OH1600012/, built 2026-09-16, accessed [date].",
  "schema": "https://crackedbuckeye.com/api/schema.json"
}