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Turkey Creek Regional Sewer District

Sewage treatment plant, Cromwell, Indiana. NPDES permit IN0045802, in force until May 31, 2028. Last 12 months: over a limit 4 times (last July 2026), 1 required value missing, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (22 values)
Renewal application due
Dec 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
1 value over a limit, 6 required values missing, 5 of 12 reports late

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

Period endingParameterReportedLimitOver by
April 2026E. coli, colony forming units [CFU], daily maximum235.9 CFU/100mL≤ 235 CFU/100mL0%
April 2026Nitrogen, ammonia total [as N], daily maximum13.73 lb/d≤ 13 lb/d6%
June 2026Nitrogen, ammonia total [as N], daily maximum3.15 mg/L≤ 2.5 mg/L26%
July 2026Nitrogen, ammonia total [as N], daily maximum10.66 lb/d≤ 10 lb/d7%

Limits in force (35)

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≤ 18 mg/LMay–Nov
Solids, total suspendedmonthly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedweekly average≤ 27 mg/LMay–Nov
Solids, total suspendedweekly average≤ 45 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 75 lb/dMay–Nov
Solids, total suspendedmonthly average≤ 125 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedweekly average≤ 113 lb/dMay–Nov
Solids, total suspendedweekly average≤ 188 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 1.1 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 2.5 mg/LMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 3.1 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 5 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 5 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]daily maximum≤ 10 lb/dMay–Nov
Nitrogen, ammonia total [as N]daily maximum≤ 13 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≤ 15 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 25 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 23 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 63 lb/dMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 104 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]weekly average≤ 96 lb/dMay–Nov
BOD, carbonaceous [5 day, 20 C]weekly average≤ 167 lb/dJan, Feb, Mar, Apr, Dec
Phosphorus, total percent removalmonthly average minimum≥ 60 %all 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/IN0045802 · MCP: https://passage-data.com/mcp