550 Locust Corner Rd, New Richmond, OH 45157 · Clermont County · Publicly Owned Treatment Works
Nine Mile Creek WWTP is a publicly owned wastewater treatment works in New Richmond, Clermont County, Ohio treating an average of 1.52 million gallons per day against a permitted design capacity of 3 MGD, serving about 15,708 residents. It discharges under NPDES permit OH0049361 (effective), which expires in November 2030, with 3 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in September 2002.
2 treatment structures and unit processes identified at Nine Mile Creek WWTP.
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See the full treatment train at Nine Mile Creek 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.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Nine Mile Creek WWTP in EPA's ICIS system.
Latest case · Sep 2002
Clermont, Cnty BD of Commissioners
Administrative order · CWA, NPDES Permit Violations · Final Order No Penalty
Source: EPA ECHO, civil enforcement case 05-2002-2018.
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Every action against Nine Mile Creek WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Decision-makers at Nine Mile Creek WWTP.
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New Richmond · 5 mi away
0.29 MGD
Batavia · 8 mi away
5.12 MGD
Amelia · 8 mi away
0.02 MGD
Cincinnati · 8 mi away
44.32 MGD
Milford · 9 mi away
7.83 MGD
Milford · 10 mi away
0.69 MGD
Moscow · 12 mi away
0.01 MGD
Cincinnati · 14 mi away
8.08 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 April 24, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Filter press · FOG · all terms