Alma Wastewater Treatment Plant
1000 Washington, Alma, MI 48801 · Gratiot County · Publicly Owned Treatment Works
- Average flow
- 1.52 MGD
- Design flow
- —
- NPDES permit
- MI0020265
- Effective
- Permit expires
- October 2028
- Population served
- 14,231
- CWNS 2022
Alma Wastewater Treatment Plant is a publicly owned wastewater treatment works in Alma, Gratiot County, Michigan treating an average of 1.52 million gallons per day, serving about 14,231 residents. It discharges under NPDES permit MI0020265 (effective), which expires in October 2028, with 0 recorded violations in the last three years.
Treatment technology
2 treatment structures and unit processes identified at Alma Wastewater Treatment Plant.
Available with a free Klarifi account
See the full treatment train at Alma Wastewater Treatment Plant: structures, unit processes and planned upgrades, with exact unit counts.
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.
Industrial users and pretreatment
Industries that discharge process wastewater to Alma Wastewater Treatment Plant, from the plant's pretreatment programme records.
- Industrial users
- 1
- on record
- Sampled for PFAS
- 1
- 2023–2024
- Above 12 ng/L PFOS
- 1
- highest 19 ng/L
The highest PFOS samples came from Alma Products Company (Alma), 19 ng/L. Most users are in automotive, metal and equipment manufacturing.
Industrial users of Alma Wastewater Treatment Plant →PFAS sources at all Michigan plants →
Unlock the details behind these industrial users
Discharge flow, federal category, full PFAS sampling history, source documents and contacts for every industrial user of Alma Wastewater Treatment Plant. Free with a Klarifi account.
Capital improvement projects in Alma
Alma's capital improvement plan lists 25 water, sewer and wastewater line items worth $6M starting 2024–2026. The largest budgeted items are shown here.
All water and sewer capital projects in Alma →
| Project | Budget | Years |
|---|---|---|
| Lift Station #16 | $1,000,000 | 2024–2024 |
| Water Meter Replacements | $920,000 | 2024–2027 |
| Environmix Carbonaceous Material Capture & Ttm. | $900,000 | 2024–2024 |
| Plant Blower Replacements | $650,000 | 2024–2027 |
| Pine Avenue Sanitary Sewer | $508,200 | 2024–2024 |
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
11 verified contacts for Alma Wastewater Treatment Plant, with validated emails and direct phone numbers.
Unlock 11 verified contacts (8 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Alma Wastewater Treatment Plant, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
St. Louis · 3 mi away
1.01 MGD
Ithaca · 8 mi away
2.58 MGD
Breckenridge · 9 mi away
—
Shepherd · 10 mi away
0.33 MGD
Mount Pleasant · 14 mi away
0.26 MGD
Merrill · 16 mi away
0.92 MGD
Crystal · 16 mi away
0.02 MGD
Ashley · 17 mi away
0.65 MGD
Alma Wastewater Treatment Plant: 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 · Activated sludge · Oxidation ditch · all terms