North Kent Sa WWTP
4775 Coit Ave, Grand Rapids, MI 49525 · Kent County · Publicly Owned Treatment Works
- Average flow
- 3.74 MGD
- Design flow
- —
- NPDES permit
- MI0057419
- Administratively continued
- Permit expires
- October 2018
- Population served
- —
- CWNS 2022
North Kent Sa WWTP is a publicly owned wastewater treatment works in Grand Rapids, Kent County, Michigan treating an average of 3.74 million gallons per day. It discharges under NPDES permit MI0057419 (administratively continued), which expires in October 2018, with 1 recorded violation in the last three years.
Treatment technology
Treatment structures and unit processes at North Kent Sa WWTP.
Treatment structure data not yet analyzed for this facility.
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.
Industrial users and pretreatment
Industries that discharge process wastewater to North Kent Sa WWTP, from the plant's pretreatment programme records.
- Industrial users
- 5
- 2 categorical
- Sampled for PFAS
- 4
- 2018–2024
- Above 12 ng/L PFOS
- 3
- highest 642 ng/L
The highest PFOS samples came from North Kent Landfill (Rockford), 642 ng/L; EPA Superfund Site: State Disposal Landfill, Inc. (Grand Rapids), 386 ng/L; Valley City Sign (Comstock Park), 58.8 ng/L. Most users are in landfills and waste management and automotive, metal and equipment manufacturing.
Industrial users of North Kent Sa WWTP →PFAS sources at all Michigan plants →
Unlock all 5 industrial users of this plant
Discharge flow, federal category, full PFAS sampling history, source documents and contacts for every industrial user of North Kent Sa WWTP. Free with a Klarifi account.
Capital improvement projects in Grand Rapids
Grand Rapids's capital improvement plan lists 64 water, sewer and wastewater line items worth $174M starting 2025–2029. The largest budgeted items are shown here.
All water and sewer capital projects in Grand Rapids →
| Project | Budget | Years |
|---|---|---|
| 5922 - LMFP Residuals Handling Improvements (DWRF) | $30,000,000 | 2029–2029 |
| Cascade - PFAS Phase Watermain Extension | $11,263,050 | 2025–2025 |
| 8352-2025 Rotmill Lead Service Line Replacements | $9,000,000 | 2025–2025 |
| 8354-FY26 Rotomill Projects - Lead Service Line Replacements | $9,000,000 | 2026–2026 |
| 8468 - FY27-Rotomill Project - Lead Service Line Replacement | $9,000,000 | 2027–2027 |
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
1 verified contact for North Kent Sa WWTP, with validated emails and direct phone numbers.
Unlock 1 verified contact
Names, validated emails and direct phone numbers for decision-makers at North Kent Sa WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Grand Rapids · 8 mi away
42.18 MGD
Sparta · 8 mi away
0.59 MGD
Grandville · 10 mi away
16.16 MGD
Kent City · 13 mi away
0.86 MGD
Allendale · 13 mi away
—
Conklin · 14 mi away
0.29 MGD
Coopersville · 15 mi away
1.5 MGD
Casnovia · 15 mi away
0.87 MGD
North Kent Sa 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 3, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Oxidation ditch · Anaerobic digester · all terms