Greenville WWTP
205 Fairplains, Greenville, MI 48838 · Montcalm County · Publicly Owned Treatment Works
- Average flow
- 1.57 MGD
- Design flow
- —
- NPDES permit
- MI0020397
- Effective
- Permit expires
- October 2027
- Population served
- 8,087
- CWNS 2022
Greenville WWTP is a publicly owned wastewater treatment works in Greenville, Montcalm County, Michigan treating an average of 1.57 million gallons per day, serving about 8,087 residents. It discharges under NPDES permit MI0020397 (effective), which expires in October 2027, with 30 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Greenville WWTP.
Available with a free Klarifi account
See the full treatment train at Greenville WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 30
- Effluent violations
- 5
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Industrial users and pretreatment
Industries that discharge process wastewater to Greenville WWTP, from the plant's pretreatment programme records.
- Industrial users
- 5
- 1 categorical
Among them: Aga Marvel (Greenville); Dicastal North America, Inc. (Greenville); Federal Mogul (Tower bldg) (Greenville). Most users are in automotive, metal and equipment manufacturing and food and beverage.
Industrial users of Greenville WWTP →
Unlock all 5 industrial users of this plant
Discharge flow, federal category, source documents and contacts for every industrial user of Greenville WWTP. Free with a Klarifi account.
Capital improvement projects in Greenville
Greenville's capital improvement plan lists 53 water, sewer and wastewater line items worth $34M starting 2024–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Greenville →
| Project | Budget | Years |
|---|---|---|
| WWTP Expansion Phase III | $16,730,000 | 2024–2025 |
| Dedicated Industrial Trunkline Sewer | $3,750,000 | 2027–2028 |
| Replace Water Service Identified by the Drinking Water Asset Management (DWAM) Grant | $2,500,000 | 2024–2029 |
| Sewer and Wastewater (SAW) –Montcalm / Irving Utility Improvements | $1,500,000 | 2027–2028 |
| Radio Frequency Water Reading | $1,115,000 | 2024–2029 |
Full project details — scope, funding source, engineering consultant and the decision-makers behind each project — are available in Klarifi, along with similar wastewater capital projects in other cities.
Key contacts
18 verified contacts for Greenville WWTP, with validated emails and direct phone numbers.
Unlock 18 verified contacts (15 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Greenville WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Belding · 6 mi away
0.98 MGD
Orleans · 7 mi away
0.8 MGD
Sheridan · 11 mi away
1.38 MGD
Ionia · 16 mi away
1.9 MGD
Saranac · 16 mi away
0.97 MGD
Lowell · 17 mi away
1.24 MGD
Crystal · 19 mi away
0.02 MGD
Lakeview · 20 mi away
0.64 MGD
Greenville 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 2, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms