3098 N Sr 545, Dubois, IN 47527 · Dubois County · Publicly Owned Treatment Works
Patoka Lake Regional Water-Treatment Plant #1 is a publicly owned wastewater treatment works in Dubois, Dubois County, Indiana treating an average of 0.39 million gallons per day against a permitted design capacity of 0.7 MGD, serving about 2,200 residents. It discharges under NPDES permit IN0052698 (effective), which expires in November 2028, with 9 recorded violations in the last three years. EPA has recorded 1 formal enforcement action naming the plant, the latest in January 2011.
2 treatment structures and unit processes identified at Patoka Lake Regional Water-Treatment Plant #1.
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See the full treatment train at Patoka Lake Regional Water-Treatment Plant #1: structures, unit processes and planned upgrades, with exact unit counts.
Based on NPDES Discharge Monitoring Reports. Full violation history, parameters and discharge data available in the Klarifi platform.
Federal civil enforcement cases, compliance inspections and informal actions recorded for Patoka Lake Regional Water-Treatment Plant #1 in EPA's ICIS system.
Latest case · Jan 2011
Patoka Lake Regional Water & Sewer District (Dubois) 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 five-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 05-2011-7040.
Full case history with a free Klarifi account
Every action against Patoka Lake Regional Water-Treatment Plant #1 with dates, milestones, violation types and EPA's complete case summaries, plus inspections and informal actions.
2 verified contacts for Patoka Lake Regional Water-Treatment Plant #1, with validated emails and direct phone numbers.
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Names, validated emails and direct phone numbers for decision-makers at Patoka Lake Regional Water-Treatment Plant #1, plus the full compliance history and discharge data.
Birdseye · 10 mi away
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West Baden Springs · 13 mi away
0.65 MGD
Huntingburg · 13 mi away
1.04 MGD
Shoals · 15 mi away
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Ferdinand · 16 mi away
0.31 MGD
English · 17 mi away
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Otwell · 17 mi away
0.11 MGD
Paoli · 17 mi away
0.38 MGD
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 October 10, 2026.
Wastewater terms: POTW · MGD · NPDES permit · Inflow and infiltration · Biosolids · Filter press · all terms