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Millwood Acres MHP LLC

Mobile Home Site Operators, Etna Green, Indiana. NPDES permit IN0036412, in force until Sep 30, 2028. Last 12 months: over a limit 21 times (last August 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values)
Renewal application due
Apr 3, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
72 values over a limit, 7 required values missing, 5 of 12 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, monthly average2.3706 lb/d≤ 1.9 lb/d25%
December 2025Solids, total suspended, maximum weekly average3.2092 lb/d≤ 2.8 lb/d15%
January 2026Solids, total suspended, monthly average2.6 lb/d≤ 1.9 lb/d37%
January 2026Solids, total suspended, maximum weekly average4.9 lb/d≤ 2.8 lb/d75%
April 2026Solids, total suspended, monthly average2.8423 lb/d≤ 1.9 lb/d50%
April 2026Solids, total suspended, maximum weekly average3.8831 lb/d≤ 2.8 lb/d39%
June 2026E. coli, colony forming units [CFU], daily maximum328 CFU/100mL≤ 235 CFU/100mL40%
June 2026Nitrogen, ammonia total [as N], maximum weekly average.1001 lb/d≤ .1 lb/d0%
June 2026Nitrogen, ammonia total [as N], maximum weekly average2 mg/L≤ 1.6 mg/L25%
July 2026Solids, total suspended, monthly average1.2126 lb/d≤ 1.1 lb/d10%
July 2026Solids, total suspended, monthly average21.2 mg/L≤ 18 mg/L18%
July 2026Solids, total suspended, maximum weekly average3.0958 lb/d≤ 1.7 lb/d82%
July 2026Solids, total suspended, maximum weekly average46.4 mg/L≤ 27 mg/L72%
August 2026Nitrogen, ammonia total [as N], monthly average.08032 lb/d≤ .07 lb/d15%
August 2026Nitrogen, ammonia total [as N], monthly average1.6265 mg/L≤ 1.1 mg/L48%
August 2026Nitrogen, ammonia total [as N], maximum weekly average.1785 lb/d≤ .1 lb/d79%
August 2026Nitrogen, ammonia total [as N], maximum weekly average4.28 mg/L≤ 1.6 mg/L168%
August 2026Solids, total suspended, monthly average3.9673 lb/d≤ 1.1 lb/d261%
August 2026Solids, total suspended, monthly average78.9 mg/L≤ 18 mg/L338%
August 2026Solids, total suspended, maximum weekly average10.759 lb/d≤ 1.7 lb/d533%
August 2026Solids, total suspended, maximum weekly average215 mg/L≤ 27 mg/L696%

Limits in force (38)

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≤ 30 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 18 mg/LMay–Nov
Solids, total suspendedmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 27 mg/LMay–Nov
Solids, total suspendedmonthly average≤ 1.9 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 1.1 lb/dMay–Nov
Solids, total suspendedmaximum weekly average≤ 2.8 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 1.7 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.6 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ .07 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ .1 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ .1 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ .15 lb/dJan, Feb, Mar, Apr, Dec
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
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
Chlorine, total residualmonthly average< .06 mg/LApr–Oct
Chlorine, total residualdaily maximum< .06 mg/LApr–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/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 15 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 23 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 1.6 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ .93 lb/dMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 2.5 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 1.4 lb/dMay–Nov
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.

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Your permit document is the final word. As JSON: /api/v1/permits/IN0036412 · MCP: https://passage-data.com/mcp