{
  "type": "water",
  "pwsid": "OH6002712",
  "name": "Zanesville",
  "county": "Muskingum",
  "population": 29381,
  "producer": true,
  "source_class": "groundwater",
  "label": "Muskingum River valley aquifer (wells)",
  "bodies": [
    "Muskingum River"
  ],
  "intakes": [],
  "wells": 13,
  "aquifer": "Muskingum River valley (buried sand/gravel) aquifer",
  "notes": "13 wells in the Muskingum River floodplain near Lewis Drive; treatment plant on Buckeye Drive; maintains a backup interconnect with Muskingum County Water Department.",
  "urls": [
    "https://www.softprowatersystems.com/pages/zanesville-pws-water-company-ohio",
    "https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.Cleanup&id=0504820"
  ],
  "chain": [
    "OH6002712"
  ],
  "plants": [
    {
      "n": "City of Zanesville Water Treatment Plant",
      "a": "Buckeye Drive, Zanesville, Ohio (new WTP online Dec. 2011); well field is on Lewis Drive (S.R. 666) in the Riverside…",
      "la": 39.928,
      "lo": -82.011,
      "pt": "wellfield",
      "wb": "Muskingum River buried-valley (sand-and-gravel) aquifer",
      "src": "Wells in the eastern floodplain of the Muskingum River along Lewis Drive/SR 666 (Riverside Park well field, established 1917), adjacent to the treatment plant on Buckeye Drive",
      "cls": "groundwater",
      "in": [
        {
          "n": "Riverside Park Well Field (Lewis Drive / SR 666)",
          "wb": "Muskingum River valley buried sand-and-gravel aquifer",
          "role": "primary",
          "src": "13 wells in the eastern floodplain of the Muskingum River along Lewis Drive/SR 666, established 1917, recharged by river infiltration (13 wells)",
          "la": 39.9313,
          "lo": -82.0028,
          "pt": "wellfield",
          "wells": [
            "Well 1",
            "Well 2",
            "Well 9",
            "Well 10",
            "Well 11",
            "Well 14",
            "Well 15",
            "Well 16",
            "Well 17",
            "Well 18",
            "Well 20",
            "Well 3A",
            "Well 21"
          ]
        }
      ]
    }
  ],
  "facts": {
    "hist": [
      [
        "1893",
        "The neighboring west-bank property begins its life as a factory when the American Encaustic Tiling Company builds there; it later passes to Essex and then United Technologies, and manufacturing…"
      ],
      [
        "1970s",
        "Up to 121 drums of trichloroethylene solvent are placed inside a 40-foot brick-lined dug well on the plant property across the Muskingum River from the city well field."
      ],
      [
        "1981",
        "U.S. EPA finds TCE contamination at the City of Zanesville's water supply well field during a random spot check for volatile organic compounds."
      ],
      [
        "1983",
        "An interim groundwater extraction and treatment system is installed in July and about 120 drums are removed; the Zanesville Well Field site is added to the National Priorities List in September."
      ],
      [
        "1987",
        "A 7.5 MGD water treatment plant is placed in service."
      ],
      [
        "1991",
        "The Record of Decision selecting the Superfund remedy — groundwater capture and treatment plus soil treatment — is signed in September."
      ]
    ],
    "treat": "Twelve wells in the Muskingum River Buried Valley Aquifer along Lewis Drive (S.R. 666) at Riverside Park feed the City of Zanesville Water Division plant at 14 Buckeye Drive. The $16 million, 10 MGD plant that came online at the end of 2011 replaced a 7.5 MGD plant dating to 1987; it uses eight…",
    "press": "Not published. The city reports six storage tanks totaling 8.5 million gallons and 194 miles of main but no pressure zones or psi figures.",
    "rate": {
      "g": 8.69,
      "n": "City rate sheet: residential inside the city pays a $12.50 monthly minimum covering the first 200 cubic feet, then $6.50 per 100 cubic feet for the next 4,600 cf and $6.00 per 100…",
      "m": 34.26
    },
    "imp": [
      [
        "Total trihalomethanes (TTHM)",
        "36",
        "ppb",
        "80",
        "2023",
        "Highest level detected; range 34.7-37.2 ppb."
      ],
      [
        "Haloacetic acids (HAA5)",
        "14",
        "ppb",
        "60",
        "2023",
        "Range 8.1-19.5 ppb."
      ],
      [
        "Chlorine",
        "1.1",
        "ppm",
        "MRDL 4",
        "2023",
        "Range 1.0-1.1 ppm."
      ],
      [
        "Nitrate (as nitrogen)",
        "1",
        "ppm",
        "10",
        "2023",
        "Reported as the highest level detected; the CCR's own range column reads 0.516-0.52 ppm."
      ],
      [
        "Fluoride",
        "0.85",
        "ppm",
        "4.0",
        "2021",
        "Sampled 6/8/2021; monitored less than annually."
      ],
      [
        "Barium",
        "0.0439",
        "ppm",
        "2",
        "2021",
        "Sampled 6/8/2021."
      ],
      [
        "Cyanide",
        "1",
        "ppb",
        "200",
        "2021",
        "Sampled 6/8/2021."
      ],
      [
        "Nitrite (as nitrogen)",
        "0.02",
        "ppm",
        "1",
        "2021",
        "Sampled 6/8/2021."
      ],
      [
        "Lead (90th percentile)",
        "3",
        "ppb",
        "action level 15…",
        "2022",
        "No sites over the action level. The CCR's table mislabels the lead units as ppm; the value is 3 ppb."
      ],
      [
        "Copper (90th percentile)",
        "0.345",
        "ppm",
        "action level…",
        "2022",
        "No sites over the action level."
      ]
    ],
    "proj": [
      [
        "New 10 MGD water treatment plant, 14 Buckeye Drive",
        16000000,
        "2011",
        "completed",
        "Eight Hungerford & Terry GreensandPlus filters plus two 500,000-gallon raw water tanks and two on-site laboratories; federally stimulus-funded; replaced a 7.5…"
      ],
      [
        "Water line replacements on Military Road, Cliffwood, Maple and Woodlawn avenues",
        null,
        "2023",
        "completed",
        "Reported in the city's 2023 CCR along with numerous hydrant and service line installations and repairs; no cost published."
      ],
      [
        "Sewer separation at CSO racks R6 and R8-R11 with Y-Bridge pump station force main improvements",
        5800000,
        "2024",
        "completed",
        "The $5.8 million figure is the city's nomination for 0% CSO discount loans through Ohio's Water Pollution Control Loan Fund, not a verified final construction…"
      ],
      [
        "Linden Avenue lift station rehabilitation",
        null,
        "2024",
        "completed",
        "Pumps replaced to maintain existing design capacity; counted among the LTCP Update's Early Action projects, which total $10,994,000 in 2021 dollars."
      ]
    ],
    "plan": [
      [
        "Water line improvements on Dresden Road, W. Country Club and Center Drive",
        null,
        "2024",
        "planned",
        "Listed as scheduled in the city's 2023 CCR; no cost published and no completion notice found."
      ],
      [
        "CSO Long-Term Control Plan Update selected alternative",
        40035000,
        "2025",
        "planned",
        "AECOM plan for the city dated March 2025 and posted by Ohio EPA: $40.04 million in 2021 dollars over a three-phase, 20-year schedule, cutting typical-year…"
      ],
      [
        "Wastewater treatment plant upgrades under the LTCP Update",
        15180000,
        "",
        "planned",
        "Restore peak primary treatment capacity to 36 MGD and peak secondary to 27 MGD by removing hydraulic bottlenecks; current wet weather capacity is 25 MGD."
      ],
      [
        "In-line and off-line CSO storage at racks R3 and R21",
        12262000,
        "",
        "planned",
        "Oversized gravity sewer for in-line storage at R3; a storage array plus a 1 MGD pump station at R21."
      ],
      [
        "Zanesville Well Field Superfund: PFAS sampling and updated environmental covenants",
        null,
        "2026",
        "needed",
        "Identified as needed actions in the sixth five-year review completed May 11, 2026; long-term groundwater monitoring and operation of the remedy continue."
      ]
    ],
    "stress": "Ohio EPA's source water assessment rates Zanesville's supply as highly susceptible to contamination: there is no protective clay layer over the aquifer, the aquifer is less than 20 feet below ground surface, man-made contaminants are already present in it, and significant potential contaminant sources sit in the protection area. The well…",
    "sew": {
      "s": "The city runs its own wastewater plant on Moxahala Avenue, discharging to the Muskingum River, with an average daily design flow around 11 MGD and a current wet weather capacity of 25 MGD. Much of the older city is served by a combined system; about a dozen CSO outfalls (the city calls them 'racks') remain active, discharging an…",
      "st": "Zanesville runs a stormwater utility. The 2024 residential fee is $5.13 a month, equal to one Equivalent Residential Unit; commercial accounts are charged one ERU for every 2,300 square feet of impervious surface, measured on the utility's interactive map."
    },
    "fun": [
      "The city's well field is one half of a Superfund site: up to 121 drums of TCE were dropped down a 40-foot brick-lined well on the factory property across the river in the early 1970s, and U.S. EPA stumbled on the…",
      "That factory property has been in industrial use since 1893, when the American Encaustic Tiling Company built there.",
      "Zanesville's 2011 plant pushes its water through eight 12-foot GreensandPlus filters to strip out iron and manganese; the $16 million plant was paid for with federal stimulus money.",
      "The interconnections with the Muskingum County Water Department are strictly emergency backups — the city's 2023 report says they weren't used at all that year.",
      "Zanesville bills water by the cubic foot, not the gallon: $6.50 per 100 cubic feet works out to $8.69 per 1,000 gallons."
    ],
    "src": {
      "history": [
        "http://www.coz.org/DocumentCenter/View/1048/Zanesville-CCR-2023",
        "https://semspub.epa.gov/work/05/919274.pdf",
        "https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.Cleanup&id=0504820",
        "https://cumulis.epa.gov/supercpad/cursites/csitinfo.cfm?id=0504820"
      ],
      "treatment": [
        "http://www.coz.org/DocumentCenter/View/1048/Zanesville-CCR-2023",
        "https://www.coz.org/218/Water-Water-Maintenance",
        "https://www.wateronline.com/doc/new-10-mgd-water-treatment-plant-opens-0001"
      ],
      "pressure": [
        "https://www.coz.org/218/Water-Water-Maintenance"
      ],
      "rates": [
        "https://coz.org/DocumentCenter/View/1063/Billing-Rate-Sheet-as-of-3-1-2024"
      ],
      "impurities": [
        "http://www.coz.org/DocumentCenter/View/1048/Zanesville-CCR-2023"
      ],
      "projects": [
        "http://www.coz.org/DocumentCenter/View/1048/Zanesville-CCR-2023",
        "https://www.wateronline.com/doc/new-10-mgd-water-treatment-plant-opens-0001",
        "https://dam.assets.ohio.gov/image/upload/epa.ohio.gov/Portals/35/cso/Zanesville_LTCP_Update_Report_Final_Draft_with_Appendices_20240401_compressed.pdf"
      ],
      "planned": [
        "http://www.coz.org/DocumentCenter/View/1048/Zanesville-CCR-2023",
        "https://dam.assets.ohio.gov/image/upload/epa.ohio.gov/Portals/35/cso/Zanesville_LTCP_Update_Report_Final_Draft_with_Appendices_20240401_compressed.pdf",
        "https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.Cleanup&id=0504820",
        "https://www.epa.gov/publicnotices/epa-begins-sixth-review-zanesville-well-field-superfund-site"
      ],
      "water_stress": [
        "http://www.coz.org/DocumentCenter/View/1048/Zanesville-CCR-2023",
        "https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.Cleanup&id=0504820",
        "https://www.coz.org/218/Water-Water-Maintenance"
      ],
      "sewer": [
        "https://dam.assets.ohio.gov/image/upload/epa.ohio.gov/Portals/35/cso/Zanesville_LTCP_Update_Report_Final_Draft_with_Appendices_20240401_compressed.pdf",
        "https://coz.org/DocumentCenter/View/1063/Billing-Rate-Sheet-as-of-3-1-2024"
      ],
      "fun_facts": [
        "https://semspub.epa.gov/work/05/919274.pdf",
        "https://cumulis.epa.gov/supercpad/SiteProfiles/index.cfm?fuseaction=second.Cleanup&id=0504820",
        "https://www.wateronline.com/doc/new-10-mgd-water-treatment-plant-opens-0001",
        "http://www.coz.org/DocumentCenter/View/1048/Zanesville-CCR-2023"
      ]
    }
  },
  "zips_served": [
    {
      "zip": "43701",
      "share": 0.4949,
      "dominant": true
    }
  ],
  "photo": {
    "url": "/photos/OH6002712.jpg",
    "caption": "Muskingum River at Zanesville, Ohio, above the buried-valley aquifer supplying the city's well field",
    "credit": "User:Nyttend",
    "license": "Public domain"
  },
  "url": "https://crackedbuckeye.com/water/OH6002712/",
  "api": "https://crackedbuckeye.com/api/water/OH6002712.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), \"Zanesville · OH6002712\", https://crackedbuckeye.com/water/OH6002712/, built 2026-09-16, accessed [date].",
  "schema": "https://crackedbuckeye.com/api/schema.json"
}