Delta Twp WWTP
7000 West Willow Highway, Lansing, MI 48917 · Eaton County · Publicly Owned Treatment Works
- Average flow
- 4.67 MGD
- Design flow
- —
- NPDES permit
- MI0022799
- Effective
- Permit expires
- October 2027
- Population served
- 38,469
- CWNS 2022
Delta Twp WWTP is a publicly owned wastewater treatment works in Lansing, Eaton County, Michigan treating an average of 4.67 million gallons per day, serving about 38,469 residents. It discharges under NPDES permit MI0022799 (effective), which expires in October 2027, with 4 recorded violations in the last three years.
Treatment technology
3 treatment structures and unit processes identified at Delta Twp WWTP.
Available with a free Klarifi account
See the full treatment train at Delta Twp WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 4
- Effluent violations
- 4
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 Delta Twp WWTP, from the plant's pretreatment programme records.
- Industrial users
- 4
- on record
- Sampled for PFAS
- 2
- 2023–2024
- Above 12 ng/L PFOS
- 1
- highest 19 ng/L
The highest PFOS samples came from Cintas Corporation (Lansing), 19 ng/L; State Secondary Complex (Dimondale), 8.5 ng/L; General Motors Llc-Lansing Delta Township (Lansing). Most users are in automotive, metal and equipment manufacturing and hospitals and public institutions.
Industrial users of Delta Twp WWTP →PFAS sources at all Michigan plants →
Unlock all 4 industrial users of this plant
Discharge flow, federal category, full PFAS sampling history, source documents and contacts for every industrial user of Delta Twp WWTP. Free with a Klarifi account.
Key contacts
24 verified contacts for Delta Twp WWTP, with validated emails and direct phone numbers.
Unlock 24 verified contacts (21 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Delta Twp WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Lansing · 4 mi away
13.64 MGD
Grand Ledge · 6 mi away
5.17 MGD
De Witt · 6 mi away
2.5 MGD
Dimondale · 7 mi away
0.21 MGD
East Lansing · 8 mi away
11.19 MGD
Holt · 10 mi away
2.47 MGD
Potterville · 10 mi away
1.58 MGD
Mulliken · 12 mi away
0.43 MGD
Delta 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 12, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Significant industrial user · WWTP · all terms