Saline WWTP
247 Monroe Street, Saline, MI 48176 · Washtenaw County · Publicly Owned Treatment Works
- Average flow
- 1.33 MGD
- Design flow
- —
- NPDES permit
- MI0024023
- Effective
- Permit expires
- October 2029
- Population served
- 10,202
- CWNS 2022
Saline WWTP is a publicly owned wastewater treatment works in Saline, Washtenaw County, Michigan treating an average of 1.33 million gallons per day, serving about 10,202 residents. It discharges under NPDES permit MI0024023 (effective), which expires in October 2029, with 56 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in October 1996.
Treatment technology
2 treatment structures and unit processes identified at Saline WWTP.
Available with a free Klarifi account
See the full treatment train at Saline WWTP: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 56
- Effluent violations
- 40
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 Saline WWTP in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- EPA inspections
- 1
- latest Sep 2026
Latest case · Oct 1996
SALINE, CITY OF
Administrative order · CWA, Violation of Existing AO · EPA Did Not Pursue
Source: EPA ECHO, civil enforcement case 05-1997-0188.
Full case history with a free Klarifi account
Every action against Saline 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 Saline WWTP, from the plant's pretreatment programme records.
- Industrial users
- 3
- on record
- Sampled for PFAS
- 1
- 2023–2024
- Above 12 ng/L PFOS
- 1
- highest 350 ng/L
The highest PFOS samples came from Faurecia (Saline), 350 ng/L; American Soy Products (Saline); Leibherr (Saline). Most users are in automotive, metal and equipment manufacturing and food and beverage.
Industrial users of Saline WWTP →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 Saline WWTP. Free with a Klarifi account.
Key contacts
25 verified contacts for Saline WWTP, with validated emails and direct phone numbers.
Unlock 25 verified contacts (22 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Saline WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Saline · 6 mi away
0.01 MGD
Milan · 8 mi away
1.06 MGD
Ann Arbor · 10 mi away
14.38 MGD
Britton · 12 mi away
1.4 MGD
Clinton · 12 mi away
0.19 MGD
Manchester · 12 mi away
0.33 MGD
Ypsilanti · 12 mi away
23.69 MGD
Tecumseh · 13 mi away
0.65 MGD
Saline 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 · FOG · Equalization tank · all terms