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Harmonie State Park

Sewage treatment plant, New Harmony, Indiana. NPDES permit IN0030406, in force until Dec 31, 2027. Last 12 months: over a limit 3 times (last May 2026), 2 required values missing, 2 of 11 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (18 values)
Renewal application due
Jul 4, 2027 · 180 days before expiry; your permit may set another date
Last report on file
August 2026
Oct 2024 – Sep 2025
1 value over a limit, 1 required value missing, 2 of 12 reports late

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

Period endingParameterReportedLimitOver by
December 2025Solids, total suspended, monthly average31.6 mg/L≤ 30 mg/L5%
December 2025Solids, total suspended, maximum weekly average52.5 mg/L≤ 45 mg/L17%
May 2026E. coli, colony forming units [CFU], daily maximum261.3 CFU/100mL≤ 235 CFU/100mL11%

Limits in force (32)

ParameterStatisticLimitMonths
pHdaily minimum≥ 6 SUall year
pHdaily maximum≤ 9 SUall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmonthly average≤ 30 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmaximum weekly average≤ 45 mg/Lall year
Solids, total suspendedmonthly average≤ 15.5 lb/dall year
Solids, total suspendedmonthly average≤ 7.8 lb/dall year
Solids, total suspendedmaximum weekly average≤ 23.3 lb/dall year
Solids, total suspendedmaximum weekly average≤ 12 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 10.8 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 10.8 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 16.2 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 16.2 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 5.6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 2.8 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 8.4 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 4.2 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]monthly geometric mean≤ 125 CFU/100mLApr–Oct
E. coli, colony forming units [CFU]daily maximum≤ 235 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]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]maximum weekly average≤ 40 mg/Lall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 12.9 lb/dall year
BOD, carbonaceous [5 day, 20 C]monthly average≤ 6.5 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 20.7 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 10 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/IN0030406 · MCP: https://passage-data.com/mcp