City Of Madison, POTW
1213 W 1st St, Madison, IN 47250 · Jefferson County · Publicly Owned Treatment Works
- Average flow
- 1.97 MGD
- Design flow
- 10.2 MGD
- NPDES permit
- IN0025666
- Effective
- Permit expires
- November 2026
- Population served
- 15,944
- CWNS 2022
City Of Madison, POTW is a publicly owned wastewater treatment works in Madison, Jefferson County, Indiana treating an average of 1.97 million gallons per day against a permitted design capacity of 10.2 MGD, serving about 15,944 residents. It discharges under NPDES permit IN0025666 (effective), which expires in November 2026, with 0 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in August 2010.
Treatment technology
One treatment structure or unit process identified at City Of Madison, POTW.
Available with a free Klarifi account
See the full treatment train at City Of Madison, POTW: 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 City Of Madison, POTW in EPA's ICIS system.
- Formal actions
- 1
- 0 since FY2020
- Penalties assessed
- $800
- all cases
- EPA inspections
- 0
- none on record
Latest case · Aug 2010
City of Madison, IN WWTP - ESA
Administrative order · CAA, Prevention of Accidental Release/Risk Management Plans (RMPs) · Final Order With Penalty · Penalty $800
EPA's description of the case:
“Failure to file a 5-year update to the facility's Risk Management Plan in a timely manner as required by CAA 112(r)(7).”
Source: EPA ECHO, civil enforcement case 05-2010-7005.
Full case history with a free Klarifi account
Every action against City Of Madison, POTW with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
Key contacts
12 verified contacts for City Of Madison, POTW, with validated emails and direct phone numbers.
Unlock 12 verified contacts (9 more than shown)
Names, validated emails and direct phone numbers for decision-makers at City Of Madison, POTW, plus the full compliance history and discharge data.
Nearby wastewater treatment plants in Indiana
Hanover · 4 mi away
0.48 MGD
Madison · 8 mi away
0.0046 MGD
Dupont · 13 mi away
0.07 MGD
Lexington · 14 mi away
0.0099 MGD
New Washington · 16 mi away
0.14 MGD
Vevay · 17 mi away
0.18 MGD
Scottsburg · 20 mi away
1.34 MGD
Friendship · 21 mi away
0.02 MGD
City Of Madison, POTW: 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 March 19, 2025.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Equalization tank · Centrate · all terms