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Autumn Creek Mobile Home Park

Mobile Home Site Operators, Michigan City, Indiana. NPDES permit IN0050041, in force until Apr 30, 2027. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (24 values)
Renewal application due
Nov 1, 2026 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (28)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 6.3 lb/dall year
Solids, total suspendedmaximum weekly average≤ 9.4 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 6.6 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 7 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 15.4 mg/LMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 16.3 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.4 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.5 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 lb/dMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 3.4 lb/dJan, Feb, Mar, Apr, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Chlorine, total residualmonthly average≤ .02 mg/LApr–Oct
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct
Chlorine, total residualmonthly average≤ .004 lb/dApr–Oct
Chlorine, total residualdaily maximum< .0125 lb/dApr–Oct
Chlorine, total residualdaily minimum≥ .5 mg/LApr–Oct
Chlorine, total residualdaily maximumreport only (mg/L)Apr–Oct
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≤ 25 mg/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 5.2 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 8.3 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.

Same industry: the 109 Real Estate permits in Indiana.

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/IN0050041 · MCP: https://passage-data.com/mcp