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New Ross Wastewater Treatment Plant

Sewage treatment plant, New Ross, Indiana. NPDES permit IN0059790, in force until Jun 30, 2030. Last 12 months: over a limit 18 times (last August 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (24 values)
Last report on file
August 2026
Oct 2024 – Sep 2025
20 values over a limit, 1 required value missing, 3 of 12 reports late

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

All 18 values over a limit
Period endingParameterReportedLimitOver by
February 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average12.6 lb/d≤ 11 lb/d15%
February 2026Dilution factor, daily maximum.5 Ratio≤ .1 Ratio400%
February 2026Solids, total suspended, maximum weekly average32.23 lb/d≤ 28.9 lb/d12%
March 2026BOD, carbonaceous [5 day, 20 C], monthly average26.2 mg/L≤ 25 mg/L5%
March 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average12.84 lb/d≤ 11 lb/d17%
March 2026Solids, total suspended, monthly average73.5 mg/L≤ 70 mg/L5%
March 2026Solids, total suspended, maximum weekly average37.38 lb/d≤ 28.9 lb/d29%
April 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average14.36 lb/d≤ 11 lb/d31%
April 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average41 mg/L≤ 40 mg/L3%
April 2026Solids, total suspended, monthly average94.4 mg/L≤ 70 mg/L35%
May 2026Chlorine, total residual, daily minimum.37 mg/L≥ .5 mg/L26%
May 2026Solids, total suspended, monthly average83.5 mg/L≤ 70 mg/L19%
May 2026Solids, total suspended, maximum weekly average134 mg/L≤ 105 mg/L28%
May 2026Solids, total suspended, maximum weekly average38.38 lb/d≤ 28.9 lb/d33%
August 2026BOD, carbonaceous [5 day, 20 C], monthly average55.5 mg/L≤ 25 mg/L122%
August 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average55.5 mg/L≤ 40 mg/L39%
August 2026Solids, total suspended, monthly average86 mg/L≤ 70 mg/L23%
August 2026pH, daily maximum9.2 SU≤ 9 SU—

Limits in force (24)

ParameterStatisticLimitMonths
Streamflowmonthly averagereport only (MGD)all year
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 70 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 105 mg/Lall year
Solids, total suspendedmonthly average≤ 19.3 lb/dall year
Solids, total suspendedmaximum weekly average≤ 28.9 lb/dall year
Nitrogen, ammonia total [as N]monthly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]minimum weekly averagereport only (mg/L)all year
Nitrogen, ammonia total [as N]monthly averagereport only (lb/d)all year
Nitrogen, ammonia total [as N]maximum weekly averagereport only (lb/d)all year
Flow, in conduit or thru treatment plantmonthly 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/Lall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 6.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 11 lb/dall year
Dilution factordaily maximum≤ .1 Ratioall year
Flow, totalmonthly totalreport only (Mgal/mo)all year

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/IN0059790 · MCP: https://passage-data.com/mcp