10999 Campbell Road, Harrison, OH 45030 · Hamilton County · Publicly Owned Treatment Works
Harrison WWTP is a publicly owned wastewater treatment works in Harrison, Hamilton County, Ohio treating an average of 1.08 million gallons per day against a permitted design capacity of 2.3 MGD, serving about 8,879 residents. It discharges under NPDES permit OH0021440 (effective), which expires in October 2029, with 20 recorded violations in the last three years.
One treatment structure or unit process identified at Harrison WWTP.
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See the full treatment train at Harrison WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
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Harrison · 3 mi away
0.0068 MGD
Harrison · 4 mi away
0.0053 MGD
Cleves · 4 mi away
0.0012 MGD
Cleves · 6 mi away
3.21 MGD
North Bend · 7 mi away
0.88 MGD
Cincinnati · 9 mi away
0.01 MGD
Cincinnati · 9 mi away
0.02 MGD
Cincinnati · 10 mi away
0.0011 MGD
Sources and methodology
Flow, permit and violation figures come from the EPA's ICIS-NPDES discharge monitoring records. Population served comes from the Clean Watersheds Needs Survey 2022. Treatment structures are identified by Klarifi's review of aerial imagery, and capital improvement projects are extracted from published municipal budget documents. Violations are counted over the last three years of monitoring reports.
Data refreshed October 26, 2026; facility record last updated January 25, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms