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Rossville WWTP, Town of

Sewage treatment plant, Rossville, Indiana. NPDES permit IN0020907, in force until Oct 31, 2030. Last 12 months: over a limit 4 times (last August 2026), 9 of 36 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (23 values), outfall 006 form CP monthly (13 values), outfall 102 form R monthly (1 value)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 14 required values missing, 18 of 36 reports late

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

Period endingOutfallParameterReportedLimitOver by
April 2026001E. coli, colony forming units [CFU], daily maximum866 CFU/100mL≤ 235 CFU/100mL269%
July 2026006E. coli, colony forming units [CFU], monthly geometric mean156 CFU/100mL≤ 125 CFU/100mL25%
August 2026006E. coli, colony forming units [CFU], daily maximum244 CFU/100mL≤ 235 CFU/100mL4%
August 2026006E. coli, colony forming units [CFU], monthly geometric mean244 CFU/100mL≤ 125 CFU/100mL95%

Limits in force (42)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov001
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 30 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 75 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 113 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.9 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 3.3 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 4.8 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 5 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 7.3 lb/dJan, Feb, Mar, Apr, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Chlorine, total residualmonthly average< .06 mg/LApr–Oct001
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct001
Chlorine, total residualdaily minimum≥ .5 mg/LApr–Oct001
Chlorine, total residualdaily maximumreport only (mg/L)Apr–Oct001
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 63 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 100 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
pHdaily minimumreport only (SU)all year006
pHdaily maximumreport only (SU)all year006
Solids, total suspendedmonthly averagereport only (mg/L)all year006
Solids, total suspendeddaily maximumreport only (mg/L)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year006
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year006
Chlorine, total residualmonthly average< .06 mg/LApr–Oct006
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct006
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct006
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct006
BOD, carbonaceous [5 day, 20 C]monthly averagereport only (mg/L)all year006
BOD, carbonaceous [5 day, 20 C]daily maximumreport only (mg/L)all year006
Flow, totalmonthly totalreport only (Mgal/mo)all year006
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year102

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/IN0020907 · MCP: https://passage-data.com/mcp