What is the address of Northfield Twp WWTP?

The address on the plant’s EPA facility record is 11500 Lemen Rd, Whitmore Lake, MI 48189, in Washtenaw County. Its coordinates are 42.4352, -83.7823. For some plants the record holds the utility’s mailing address rather than the plant gate.

How much wastewater does Northfield Twp WWTP treat?

Northfield Twp WWTP treats an average of 0.79 MGD.

What treatment technology does Northfield Twp WWTP use?

Klarifi has identified 3 treatment structures and unit processes at the Whitmore Lake facility. The full treatment train, with exact unit counts, is shown in Klarifi with a free account.

What is the NPDES permit for Northfield Twp WWTP?

The facility discharges under NPDES permit MI0023710, currently effective, expiring October 2027.

Is Northfield Twp WWTP in compliance?

Discharge monitoring reports show 1 violation at Northfield Twp WWTP in the last three years, 1 of them effluent limit exceedances. The full history is available in Klarifi.

Who operates Northfield Twp WWTP and how do I contact them?

Northfield Twp WWTP is a publicly owned treatment works in Whitmore Lake, Michigan. Klarifi lists 5 verified decision-maker contacts for this facility, available with a free trial.

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Northfield Twp WWTP

11500 Lemen Rd, Whitmore Lake, MI 48189 · Washtenaw County · Publicly Owned Treatment Works

Average flow: 0.79 MGD

Design flow: —

NPDES permit: MI0023710; Effective

Permit expires: October 2027

Population served: 9,274; CWNS 2022

Northfield Twp WWTP is a publicly owned wastewater treatment works in Whitmore Lake, Washtenaw County, Michigan treating an average of 0.79 million gallons per day, serving about 9,274 residents. It discharges under NPDES permit MI0023710 (effective), which expires in October 2027, with 1 recorded violation in the last three years.

Treatment technology

3 treatment structures and unit processes identified at Northfield Twp WWTP.

Available with a free Klarifi account

See the full treatment train at Northfield Twp WWTP: structures, unit processes and planned upgrades, with exact unit counts.

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Compliance snapshot (last 3 years)

Total violations: 1

Effluent violations: 1

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

Key contacts

5 verified contacts for Northfield Twp WWTP, with validated emails and direct phone numbers.

Unlock 5 verified contacts (2 more than shown)

Names, validated emails and direct phone numbers for decision-makers at Northfield Twp WWTP, plus the full compliance history and discharge data.

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Nearby wastewater treatment plants in Michigan

Brighton WWTP

Brighton · 5 mi away

1.16 MGD

South Lyon WWTP

South Lyon · 6 mi away

1.12 MGD

Brighton Twp WWTP

Brighton · 7 mi away

0.36 MGD

Dexter WWTP

Dexter · 8 mi away

0.32 MGD

Salem Twp WWTP

Salem · 11 mi away

0.02 MGD

Genoa-Oceola WWTP

Howell · 12 mi away

1.4 MGD

Ann Arbor WWTP

Ann Arbor · 13 mi away

14.38 MGD

Milford WWTP

Milford · 13 mi away

0.54 MGD

Northfield Twp 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 March 6, 2025.

Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Tertiary treatment · Significant industrial user · all terms

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