Adrian WWTP
1001 Oakwood Road, Adrian, MI 49221 · Lenawee County · Publicly Owned Treatment Works
- Average flow
- 3.59 MGD
- Design flow
- —
- NPDES permit
- MI0022152
- Effective
- Permit expires
- October 2028
- Population served
- 30,037
- CWNS 2022
Adrian WWTP is a publicly owned wastewater treatment works in Adrian, Lenawee County, Michigan treating an average of 3.59 million gallons per day, serving about 30,037 residents. It discharges under NPDES permit MI0022152 (effective), which expires in October 2028, with 0 recorded violations in the last three years. EPA has recorded 2 formal enforcement actions naming the plant, the latest in August 2005.
Treatment technology
3 treatment structures and unit processes identified at Adrian WWTP.
Available with a free Klarifi account
See the full treatment train at Adrian WWTP: 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.
EPA enforcement history
Federal civil enforcement cases, compliance inspections and informal actions recorded for Adrian WWTP in EPA's ICIS system.
- Formal actions
- 2
- 0 since FY2020
- Penalties assessed
- $1,000
- all cases
- EPA inspections
- 0
- none on record
Latest case · Aug 2005
City of Adrian - WWTP - ESA
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $1,000
EPA's description of the case:
“Violation cited: 40 CFR Part 68.190(b)(1) - requirement to update an RMP within 5 years of initial submission.”
Source: EPA ECHO, civil enforcement case 05-2005-3628.
Full case history with a free Klarifi account
Every action against Adrian 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 Adrian WWTP, from the plant's pretreatment programme records.
- Industrial users
- 3
- on record
On record: Adrian Steel Company (Adrian); Crimson Holdings (Adrian); Ppg Industries Inc (Adrian). Most users are in automotive, metal and equipment manufacturing and chemicals, plastics and petroleum.
Industrial users of Adrian WWTP →
Unlock the details behind these industrial users
Discharge flow, federal category, source documents and contacts for every industrial user of Adrian WWTP. Free with a Klarifi account.
Key contacts
16 verified contacts for Adrian WWTP, with validated emails and direct phone numbers.
Unlock 16 verified contacts (13 more than shown)
Names, validated emails and direct phone numbers for decision-makers at Adrian WWTP, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Michigan
Tecumseh · 7 mi away
0.65 MGD
Onsted · 8 mi away
0.96 MGD
Jasper · 9 mi away
0.78 MGD
Onsted · 9 mi away
—
Blissfield · 10 mi away
0.62 MGD
Brooklyn · 10 mi away
1.53 MGD
Weston · 10 mi away
0.61 MGD
Clinton · 10 mi away
0.19 MGD
Adrian 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 · Ozonation · Activated sludge · all terms