EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons
1610 Moorland Road, Madison, WI 53713 · Dane County · Publicly Owned Treatment Works
- Average flow
- 39.37 MGD
- Design flow
- —
- NPDES permit
- WIG009756
- Administratively continued
- Permit expires
- September 2026
- Population served
- 359,595
- CWNS 2022
EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons is a publicly owned wastewater treatment works in Madison, Dane County, Wisconsin treating an average of 39.37 million gallons per day, serving about 359,595 residents. It discharges under NPDES permit WIG009756 (administratively continued), which expires in September 2026, with 2 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in May 1998.
Treatment technology
4 treatment structures and unit processes identified at EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons.
Available with a free Klarifi account
See the full treatment train at EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons: structures, unit processes and planned upgrades, with exact unit counts.
Compliance snapshot (last 3 years)
- Total violations
- 2
- Effluent violations
- 2
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 EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Compliance actions
- $1.8M
- required by EPA orders
- EPA inspections
- 0
- none on record
Latest case · May 1998
MADISON METROPOLITAN SEWERAGE DISTRICT
Judicial case · CERCLA, Superfund · Final Order With Specified Cost Recovery · Compliance actions $1.8M
Source: EPA ECHO, civil enforcement case 05-1997-0438.
Full case history with a free Klarifi account
Every action against EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Capital improvement projects in Madison
Madison's capital improvement plan lists 26 water, sewer and wastewater line items worth $160M starting 2023–2030. The largest budgeted items are shown here.
All water and sewer capital projects in Madison →
| Project | Budget | Years |
|---|---|---|
| Water Mains Replacement | $80,457,000 | 2023–2025 |
| Water Utility Facility Improvements | $14,909,000 | 2023–2025 |
| Trenchless Sewer Rehabilitation | $11,823,000 | 2025–2030 |
| Well 27 Iron & Manganese Mitigation | $7,000,000 | 2027–2028 |
| Water Utility Vehicles & Equipment | $7,000,000 | 2023–2025 |
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
4 verified contacts for EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons, with validated emails and direct phone numbers.
Unlock 4 verified contacts (1 more than shown)
Names, validated emails and direct phone numbers for decision-makers at EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Wisconsin
Sun Prairie · 10 mi away
3.41 MGD
Stoughton · 11 mi away
1.1 MGD
Brooklyn · 13 mi away
—
Deerfield · 15 mi away
0.2 MGD
Belleville · 15 mi away
0.18 MGD
Cross Plains · 16 mi away
0.35 MGD
Rockdale · 17 mi away
0.01 MGD
Cambridge · 17 mi away
0.37 MGD
EPA Superfund Site: Madison Metropolitan Sewerage District Lagoons: 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 19, 2026; facility record last updated April 13, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Anaerobic digester · Lift station · all terms