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Aurora Combined Collection System

Sewage treatment plant, Aurora, Indiana. NPDES permit IN0050903, in force until Feb 28, 2031. Last 12 months: no values over a limit, 6 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 006 form C monthly (4 values), outfall 009 form C monthly (4 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 2 required values missing, 2 of 24 reports late

Limits in force (8)

ParameterStatisticLimitMonthsOutfall
Durationmonthly totalreport only (hr/mo)all year006
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year006
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year006
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year006
Durationmonthly totalreport only (hr/mo)all year009
Overflow volume [SS0 volume, CSO volume]monthly totalreport only (Mgal)all year009
Precipitation, monthly accumulationmonthly totalreport only (in/mo)all year009
Discharge event observation [Visual Monitoring]monthly totalreport only (#/mo)all year009

Cited limits by parameter: Indiana's rules and the federal ones.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0050903 · MCP: https://passage-data.com/mcp