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Farmersburg Wastewater Treatment Plant

Sewage treatment plant, Farmersburg, Indiana. NPDES permit IN0021148, in force until May 31, 2029. Last 12 months: over a limit 21 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (19 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
5 values over a limit, 0 required values missing, 0 of 12 reports late

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

All 21 values over a limit
Period endingParameterReportedLimitOver by
December 2025Nitrogen, ammonia total [as N], maximum weekly average3.1 mg/L≤ 2.3 mg/L35%
December 2025Nitrogen, ammonia total [as N], maximum weekly average6.5016 lb/d≤ 5.8 lb/d12%
February 2026Nitrogen, ammonia total [as N], monthly average2.193 mg/L≤ 1.5 mg/L46%
February 2026Nitrogen, ammonia total [as N], monthly average3.808 lb/d≤ 3.8 lb/d0%
February 2026Nitrogen, ammonia total [as N], maximum weekly average2.547 mg/L≤ 2.3 mg/L11%
March 2026Nitrogen, ammonia total [as N], monthly average2.421 mg/L≤ 1.5 mg/L61%
March 2026Nitrogen, ammonia total [as N], monthly average6.608 lb/d≤ 3.8 lb/d74%
March 2026Nitrogen, ammonia total [as N], maximum weekly average6.163 mg/L≤ 2.3 mg/L168%
March 2026Nitrogen, ammonia total [as N], maximum weekly average9.773 lb/d≤ 5.8 lb/d69%
March 2026Solids, total suspended, monthly average25.78 lb/d≤ 25 lb/d3%
March 2026Solids, total suspended, maximum weekly average55.02 lb/d≤ 37.6 lb/d46%
April 2026E. coli, colony forming units [CFU], daily maximum10462 CFU/100mL≤ 235 CFU/100mL4352%
May 2026E. coli, colony forming units [CFU], daily maximum3448 CFU/100mL≤ 235 CFU/100mL1367%
May 2026Solids, total suspended, monthly average37.7 lb/d≤ 25 lb/d51%
May 2026Solids, total suspended, maximum weekly average111.5 lb/d≤ 37.6 lb/d197%
May 2026Solids, total suspended, maximum weekly average18.33 mg/L≤ 15 mg/L22%
June 2026Nitrogen, ammonia total [as N], maximum weekly average4.123 lb/d≤ 4 lb/d3%
July 2026E. coli, colony forming units [CFU], daily maximum686.7 CFU/100mL≤ 235 CFU/100mL192%
July 2026Nitrogen, ammonia total [as N], maximum weekly average1.658 mg/L≤ 1.6 mg/L4%
August 2026E. coli, colony forming units [CFU], daily maximum2420 CFU/100mL≤ 235 CFU/100mL930%
August 2026Solids, total suspended, maximum weekly average42.25 lb/d≤ 37.6 lb/d12%

Limits in force (24)

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≤ 25 lb/dall year
Solids, total suspendedmaximum weekly average≤ 37.6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.5 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≤ 2.3 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 2.8 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 3.8 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 4 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 5.8 lb/dJan, Feb, Mar, Apr, Dec
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≤ 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≤ 25 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 37.6 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.

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0021148 · MCP: https://passage-data.com/mcp