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Montgomery County RSD - Nucor Road WWTP

Sewage treatment plant, Crawfordsville, Indiana. NPDES permit IN0063967, in force until Jul 31, 2027. Last 12 months: over a limit 8 times (last July 2026), 4 of 22 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: outfall 001 form A monthly (19 values), outfall 002 form A monthly (18 values)
Renewal application due
Feb 1, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 2 of 24 reports late

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

Period endingParameterReportedLimitOver by
October 2025E. coli, colony forming units [CFU], daily maximum236 CFU/100mL≤ 235 CFU/100mL0%
December 2025Solids, total suspended, maximum weekly average31.6 mg/L≤ 18 mg/L76%
June 2026Solids, total suspended, maximum weekly average19.5 mg/L≤ 18 mg/L8%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average359 lb/d≤ 8.3 lb/d4225%
July 2026BOD, carbonaceous [5 day, 20 C], monthly average679.1 mg/L≤ 10 mg/L6691%
July 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average1431 lb/d≤ 13 lb/d10908%
July 2026BOD, carbonaceous [5 day, 20 C], maximum weekly average2706 mg/L≤ 15 mg/L17940%
July 2026Nitrogen, ammonia total [as N], maximum weekly average2.285 mg/L≤ 1.6 mg/L43%

Limits in force (45)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/Lall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 12 mg/Lall year001
Solids, total suspendedmaximum weekly average≤ 18 mg/Lall year001
Solids, total suspendedmonthly average≤ 10 lb/dall year001
Solids, total suspendedmaximum weekly average≤ 15 lb/dall year001
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.6 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ .9 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.3 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.3 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2 lb/dJan, Feb, Mar, Apr, Dec001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
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≤ 10 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8.3 lb/dall year001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 13 lb/dall year001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
pHdaily minimum≥ 6 SUall year002
pHdaily maximum≤ 9 SUall year002
Solids, total suspendedmonthly average≤ 12 mg/Lall year002
Solids, total suspendedmaximum weekly average≤ 18 mg/Lall year002
Solids, total suspendedmonthly average≤ 10 lb/dall year002
Solids, total suspendedmaximum weekly average≤ 15 lb/dall year002
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov002
Nitrogen, ammonia total [as N]monthly average≤ 1.6 mg/LJan, Feb, Mar, Apr, Dec002
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.6 mg/LMay–Nov002
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.4 mg/LJan, Feb, Mar, Apr, Dec002
Nitrogen, ammonia total [as N]monthly average≤ .9 lb/dMay–Nov002
Nitrogen, ammonia total [as N]monthly average≤ 1.3 lb/dJan, Feb, Mar, Apr, Dec002
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.3 lb/dMay–Nov002
Nitrogen, ammonia total [as N]maximum weekly average≤ 2 lb/dJan, Feb, Mar, Apr, Dec002
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year002
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct002
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/Lall year002
BOD, carbonaceous [5 day, 20 C]monthly average≤ 8.3 lb/dall year002
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 13 lb/dall year002
Flow, totalmonthly totalreport only (Mgal/mo)all year002

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/IN0063967 · MCP: https://passage-data.com/mcp