Delhi Twp WWTP
Holt, MI · Ingham County · Publicly Owned Treatment Works
- Average flow
- 1.85 MGD
- Design flow
- —
- NPDES permit
- MI0022781
- Effective
- Permit expires
- October 2027
- Population served
- 18,211
- CWNS 2022
Delhi Twp WWTP is a publicly owned wastewater treatment works in Holt, Ingham County, Michigan treating an average of 1.85 million gallons per day, serving about 18,211 residents. Treatment on site includes clarifiers, biogas silos. It discharges under NPDES permit MI0022781 (effective), which expires in October 2027, with 0 recorded violations in the last three years.
Treatment technology
Treatment structures identified at this facility. Exact unit counts are available in Klarifi.
Compliance snapshot (last 3 years)
- Total violations
- 0
- Effluent violations
- 0
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Capital improvement projects in Holt
Holt's capital improvement plan lists 19 water, sewer and wastewater line items worth $30M starting 2025–2028. The largest budgeted items are shown here.
All water and sewer capital projects in Holt →
| Project | Budget | Years |
|---|---|---|
| Sludge Dewatering | $8,900,000 | 2028–2029 |
| Replace Interurban Sewer | $3,900,000 | 2028–2029 |
| POTW Electrical Interconnection & Generator Replacement | $3,500,000 | 2026–2027 |
| Pine Tree Road Forcemain | $2,000,000 | 2028–2029 |
| POTW Maintenance Pole Barn Replacement | $1,500,000 | 2026–2027 |
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
2 verified contacts for Delhi Twp WWTP, with validated emails and direct phone numbers.
Unlock 2 verified contacts
Names, validated emails and direct phone numbers for decision-makers at Delhi Twp WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Dimondale · 4 mi away
0.17 MGD
Mason · 7 mi away
0.84 MGD
East Lansing · 8 mi away
9.13 MGD
Lansing · 9 mi away
10.06 MGD
Potterville · 9 mi away
—
Lansing · 10 mi away
3.87 MGD
Grand Ledge · 13 mi away
0.77 MGD
Charlotte · 13 mi away
0.83 MGD
Delhi 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 September 11, 2026; facility record last updated March 4, 2025.