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Jackson Co Regional Sewage District

Sewage treatment plant, Freetown, Indiana. NPDES permit IN0052949, in force until Feb 28, 2029. Last 12 months: over a limit 3 times (last June 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (20 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 3 required values missing, 1 of 12 reports late

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period endingParameterReportedLimitOver by
June 2026Nitrogen, ammonia total [as N], maximum weekly average2.2 mg/L≤ 1.8 mg/L22%
June 2026Solids, total suspended, monthly average11.3 mg/L≤ 10 mg/L13%
June 2026Solids, total suspended, maximum weekly average15.4 mg/L≤ 15 mg/L3%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 10 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 15 mg/Lall year
Solids, total suspendedmonthly average≤ 7.5 lb/dall year
Solids, total suspendedmaximum weekly average≤ 11.3 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.2 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.8 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.8 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ .9 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.4 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.4 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.1 lb/dJan, Feb, Mar, Apr, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Flow, in conduit or thru treatment plantmaximum weekly averagereport only (MGD)all year
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 7.5 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 11.3 lb/dall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

How strict are these limits?

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/IN0052949 · MCP: https://passage-data.com/mcp