Saginaw Twp WWTP
5790 West Michigan Avenue, Saginaw, MI 48638 · Saginaw County · Publicly Owned Treatment Works
- Average flow
- 5.22 MGD
- Design flow
- —
- NPDES permit
- MI0023973
- Effective
- Permit expires
- October 2028
- Population served
- 41,818
- CWNS 2022
Saginaw Twp WWTP is a publicly owned wastewater treatment works in Saginaw, Saginaw County, Michigan treating an average of 5.22 million gallons per day, serving about 41,818 residents. It discharges under NPDES permit MI0023973 (effective), which expires in October 2028, with 10 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2012.
Treatment technology
5 treatment structures and unit processes identified at Saginaw Twp WWTP.
Available with a free Klarifi account
See the full treatment train at Saginaw Twp WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 10
- Effluent violations
- 8
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Saginaw Twp WWTP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $8,500
- all cases
- EPA inspections
- 2
- latest Jul 2009
Latest case · Aug 2012
Saginaw Charter Township WWTP - CAFO
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $8,500
EPA's description of the case:
“This enforcement action was filed in response to violations to CAA 112(r)(7) which were discovered during a Risk Management Plan (RMP) compliance inspection conducted on 7/15/2009. A total of 13…”
Unlock EPA's full description by creating a free account on Klarifi. Create a free account →
Source: EPA ECHO, civil enforcement case 05-2012-7164.
Full case history with a free Klarifi account
Every action against Saginaw Twp WWTP with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Industrial users and pretreatment
Industries that discharge process wastewater to Saginaw Twp WWTP, from the plant's pretreatment programme records.
- Industrial users
- 4
- on record
- Sampled for PFAS
- 4
- 2023–2024
- Above 12 ng/L PFOS
- 1
- highest 30 ng/L
The highest PFOS samples came from Dow Corning Corp Healthcare Inds Materials Site (Hemlock), 30 ng/L; Saginaw Control Engineering West (Saginaw), 2.8 ng/L; Hemlock Semiconductor Operations Llc (Hemlock). Most users are in automotive, metal and equipment manufacturing and chemicals, plastics and petroleum.
Industrial users of Saginaw 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 Saginaw Twp WWTP. Free with a Klarifi account.
Capital improvement projects in Saginaw
Saginaw's capital improvement plan lists 109 water, sewer and wastewater line items worth $191M starting 2025–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Saginaw →
| Project | Budget | Years |
|---|---|---|
| Elevated Storage Tank | $21,000,000 | 2025–2026 |
| River Crossing | $20,200,000 | 2025–2025 |
| Water Plant Switch Gear Upgrade | $12,700,000 | 2026–2028 |
| Equalization Basins | $12,000,000 | 2029–2029 |
| Line, Rehab and Replace Water Main | $9,350,000 | 2025–2030 |
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
26 verified contacts for Saginaw Twp WWTP, with validated emails and direct phone numbers.
Unlock 26 verified contacts (23 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Saginaw Twp WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Bridgeport · 7 mi away
1.79 MGD
Saginaw · 7 mi away
34.99 MGD
Saginaw · 8 mi away
1.63 MGD
Saint Charles · 8 mi away
1.61 MGD
Freeland · 8 mi away
1.45 MGD
Hemlock · 10 mi away
—
Chesaning · 15 mi away
0.46 MGD
Frankenmuth · 15 mi away
1.01 MGD
Saginaw 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 April 4, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · WWTP · Biosolids · all terms