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Lagrange Co Reg Utility District - Region B

Sewage treatment plant, Lagrange, Indiana. NPDES permit IN0060097, in force until Sep 30, 2029. 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 (21 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 1 required value missing, 1 of 12 reports late

Limits in force (34)

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≤ 24 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 18 mg/LMay–Nov
Solids, total suspendedmaximum weekly average≤ 36 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 27 mg/LMay–Nov
Solids, total suspendedmonthly average≤ 150.2 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 112.7 lb/dMay–Nov
Solids, total suspendedmaximum weekly average≤ 225.3 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 169 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.5 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 3.4 mg/LMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 3.5 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 8.8 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 9.4 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 21.3 lb/dMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 21.9 lb/dJan, Feb, Mar, Apr, Dec
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year
Phosphorus, total [as P]monthly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly 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≤ 20 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≤ 30 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≤ 125.2 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 93.9 lb/dMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 187.8 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 144 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0060097 · MCP: https://passage-data.com/mcp