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Silver Lake MHP WWTP

Mobile Home Site Operators, Angola, Indiana. NPDES permit IN0039543, in force until Jun 30, 2028. Last 12 months: over a limit 11 times (last April 2026), 1 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 27 days after each period: form A monthly (21 values)
Renewal application due
Jan 2, 2028 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
10 values over a limit, 9 required values missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
January 2026E. coli, colony forming units [CFU], daily maximum365.4 CFU/100mL≤ 235 CFU/100mL55%
January 2026Solids, total suspended, monthly average10.5 mg/L≤ 10 mg/L5%
January 2026Solids, total suspended, maximum weekly average17 mg/L≤ 15 mg/L13%
February 2026Solids, total suspended, monthly average16.12 mg/L≤ 10 mg/L61%
February 2026Solids, total suspended, maximum weekly average20 mg/L≤ 15 mg/L33%
March 2026E. coli, colony forming units [CFU], daily maximum2419.6 CFU/100mL≤ 235 CFU/100mL930%
March 2026Solids, total suspended, monthly average19.1167 mg/L≤ 10 mg/L91%
March 2026Solids, total suspended, maximum weekly average33.8 mg/L≤ 15 mg/L125%
March 2026Solids, total suspended, maximum weekly average8.606445 lb/d≤ 3.8 lb/d126%
April 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average17.43 mg/L≤ 15 mg/L16%
April 2026Solids, total suspended, maximum weekly average28.6 mg/L≤ 15 mg/L91%

Limits in force (25)

ParameterStatisticLimitMonths
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/Lall year
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≤ 2.5 lb/dall year
Solids, total suspendedmaximum weekly average≤ 3.8 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2.9 mg/LMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 3.1 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ .3 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ .3 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ .7 lb/dMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ .8 lb/dJan, Feb, Mar, Apr, Dec
Phosphorus, total [as P]monthly average≤ 1 mg/Lall 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
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLall year
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLall year
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≤ 2.5 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 3.8 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.

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Your permit document is the final word. As JSON: /api/v1/permits/IN0039543 · MCP: https://passage-data.com/mcp