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Nine Mile Creek WWTP

550 Locust Corner Rd, New Richmond, OH 45157 · Clermont County · Publicly Owned Treatment Works

Average flow
1.52 MGD
Design flow
3 MGD
NPDES permit
OH0049361
Effective
Permit expires
November 2030
Population served
15,708
CWNS 2022

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.

Treatment technology

2 treatment structures and unit processes identified at Nine Mile Creek WWTP.

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Compliance snapshot (last 3 years)

Total violations
3
Effluent violations
3

Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.

EPA enforcement history

Federal civil enforcement cases, compliance inspections and informal actions recorded for Nine Mile Creek WWTP in EPA's ICIS system.

Formal actions
1
0 since FY2020
EPA inspections
0
none on record

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.

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Key contacts

Decision-makers at Nine Mile Creek WWTP.

No verified contacts on file yet

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Nearby wastewater treatment plants in Ohio

New Richmond WWTP

New Richmond · 5 mi away

0.29 MGD

Middle East Fork Regional WWTP

Batavia · 8 mi away

5.12 MGD

Forest Creek Mhp

Amelia · 8 mi away

0.02 MGD

44.32 MGD

Lower East Fork Regional WWTP

Milford · 9 mi away

7.83 MGD

Milford City WWTP

Milford · 10 mi away

0.69 MGD

Moscow Village

Moscow · 12 mi away

0.01 MGD

Sycamore Creek WWTP

Cincinnati · 14 mi away

8.08 MGD

Nine Mile Creek WWTP: frequently asked questions

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


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