{ "type": "water", "pwsid": "OH4302411", "name": "Lake County West Water Subdistrict", "county": "Lake", "population": 78379, "producer": true, "source_class": "erie", "label": "Lake Erie", "bodies": [ "Lake Erie" ], "intakes": [ "Lake Co Lake Erie Int" ], "wells": 0, "aquifer": "", "notes": "West sub-district = Aquarius WTP, Willoughby (20 MGD design, ~9 MGD produced), serving Eastlake, Willoughby, Willowick, Wickliffe, Willoughby Hills, Lakeline, Timberlake. Sole intake is the 60-inch Lake Erie line ~3,100 ft offshore.", "urls": [ "https://www.lakecountyohio.gov/utilities/water-division/aquarius-water-treatment-facility/", "https://www.lakecountyohio.gov/utilities/water-division/" ], "chain": [ "OH4302411" ], "plants": [ { "n": "Aquarius Water Treatment Facility (Lake County West Water Subdistrict)", "a": "38265 Aquarius Pkwy, Willoughby, OH 44094", "la": 41.666, "lo": -81.439, "pt": "intake", "wb": "Lake Erie", "src": "Lake Erie, drawn through a 60-inch intake pipe extending about 3,100 feet offshore from the Aquarius plant in Willoughby", "cls": "erie" } ], "facts": { "hist": [ [ "1964", "Greater Mentor wastewater plant built as a 4 MGD primary treatment plant with chemical coagulation, serving the fast-growing Mentor area." ], [ "1985", "Aquarius Water Treatment Facility opens in Willoughby as the West Sub-District's Lake Erie plant, with a 20 MGD design capacity." ], [ "2000", "Greater Mentor plant expanded to a 20 MGD activated sludge facility with 32 MGD peak design and 55 MGD hydraulic capacity." ], [ "2002", "Ohio EPA completes source water assessments for the Lake County East and West Sub-District Lake Erie intakes." ], [ "2015", "Greater Madison plant expansion completed at 5 MGD with secondary treatment and UV disinfection, able to discharge up to 15 MGD." ] ], "treat": "Lake Erie water enters via a 60-inch intake about 3,100 ft offshore, passes traveling screens, rapid-mix and flocculation tanks and sedimentation basins, then dual-media anthracite-and-sand filters; it is chlorinated and fluoridated and held in a 1.17-million-gallon clear well.", "press": "Not published. The Aquarius plant pumps raw water at 61,500 gallons per minute, but Lake County publishes no system-wide psi figure.", "rate": { "g": 6.26, "n": "$4.68 per 100 cubic feet; $42.12/quarter minimum (0-900 cf); county-published average residential bill $53.40/quarter. No effective year shown on the rates page.", "m": 17.8 }, "imp": [ [ "Total Trihalomethanes (TTHM)", "46.9", "ppb", "80 ppb (MCL)", "2025", "Range 15.7-55.8 ppb; no violation. Byproduct of chlorination." ], [ "Haloacetic Acids (HAA5)", "23.18", "ppb", "60 ppb (MCL)", "2025", "Range 7.5-37.6 ppb; no violation." ], [ "Lead (90th percentile)", "<2.0", "ppb", "15 ppb action…", "2024", "Zero of 30 samples exceeded the action level." ], [ "Copper (90th percentile)", "0.078", "ppm", "1.3 ppm action…", "2024", "Zero of 30 samples exceeded the action level." ], [ "Nitrate", "1.68", "ppm", "10 ppm (MCL)", "2025", "Range <0.10-1.68 ppm; well under the limit." ], [ "Turbidity", "0.13", "NTU", "TT: 0.3 NTU in…", "2025", "Range 0.02-0.13 NTU; 100% of samples met the standard." ], [ "PFOS", "1.7", "ppt", "4.0 ppt (MCL)", "2025", "Detected. UCMR5 average 0.0017 ppb, range 1.2-2.1 ppt; under the federal MCL." ], [ "PFOA", "1.1", "ppt", "4.0 ppt (MCL)", "2025", "Detected. UCMR5 average 0.0011 ppb, range ND-1.6 ppt; under the federal MCL." ] ], "proj": [], "plan": [], "stress": "No scarcity risk on Lake Erie, but Ohio EPA's source water assessment found the Chagrin River mouth near the West Sub-District intake raises susceptibility. Listed threats: shipping and boating spills, shoreline and stream runoff, oil and gas transport, dredging sediment, and CSO discharges.", "sew": { "s": "Lake County DoU runs sewer separately from the water sub-districts, with 500+ miles of line. Its Gary L. Kron (formerly Greater Mentor) plant at 20 MGD and the Madison plant at 5 MGD both discharge to Lake Erie but serve central and eastern county. In the west the county runs only the Dodd Hill package plant in Willoughby Hills.", "st": "Not detailed in county sources for the West Sub-District communities, though the 2025 report does list combined sewer overflows among Lake Erie source-water threats." }, "fun": [ "The Aquarius plant draws Lake Erie water through a 60-inch pipe reaching roughly 3,100 feet offshore -- more than half a mile out into the lake.", "Lake County's water program won the AWWA Directors Award of Recognition, one of only 8 of Ohio's 300 surface-water treatment facilities to be so honored.", "The county's water division maintains over 550 miles of water main serving more than 116,000 residents across both the East and West sub-districts.", "PFOA and PFOS were both detected in West Sub-District tap water in 2025, at 1.1 and 1.7 parts per trillion -- real detections, but well under the new 4.0 ppt federal limit." ] }, "zips_served": [ { "zip": "44095", "share": 0.9737, "dominant": true }, { "zip": "44092", "share": 0.9176, "dominant": true }, { "zip": "44094", "share": 0.6797, "dominant": true } ], "photo": { "url": "/photos/OH4302411.jpg", "caption": "Lake Erie at Headlands Beach near Mentor, close to the Lake County West service area", "credit": "Erik Drost", "license": "CC BY 2.0" }, "url": "https://crackedbuckeye.com/water/OH4302411/", "api": "https://crackedbuckeye.com/api/water/OH4302411.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), \"Lake County West Water Subdistrict · OH4302411\", https://crackedbuckeye.com/water/OH4302411/, built 2026-09-16, accessed [date].", "schema": "https://crackedbuckeye.com/api/schema.json" }