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Turkey Run State Park

Sewage treatment plant, Marshall, Indiana. NPDES permit IN0030244, in force until Mar 31, 2029. Last 12 months: no values over a limit. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (18 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 12 reports late

Limits in force (18)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 37.6 lb/dall year
Solids, total suspendedmaximum weekly average≤ 56.3 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 11 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 17 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 13.8 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 21.3 lb/dall 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≤ 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≤ 31.3 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 50.1 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.

Check this month's numbers Email me before each report is due

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On EPA ECHO: Facility report · DMR history

Your permit document is the final word. As JSON: /api/v1/permits/IN0030244 · MCP: https://passage-data.com/mcp