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Jennings Northwest Regional Utilities

Sewage treatment plant, North Vernon, Indiana. NPDES permit IN0056049, in force until Mar 31, 2031. Last 12 months: over a limit 4 times (last April 2026). Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (19 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
5 values over a limit, 2 required values missing, 1 of 12 reports late

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

Period endingParameterReportedLimitOver by
February 2026Nitrogen, ammonia total [as N], monthly average2.1084 mg/L≤ 1.9 mg/L11%
February 2026Nitrogen, ammonia total [as N], maximum weekly average4.5333 mg/L≤ 2.9 mg/L56%
February 2026Nitrogen, ammonia total [as N], maximum weekly average8.7024 lb/d≤ 8.5 lb/d2%
April 2026Nitrogen, ammonia total [as N], maximum weekly average9.548 lb/d≤ 8.5 lb/d12%

Limits in force (32)

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≤ 30 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 23 mg/LMay–Nov
Solids, total suspendedmaximum weekly average≤ 45 mg/LJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 35 mg/LMay–Nov
Solids, total suspendedmonthly average≤ 88 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmonthly average≤ 68 lb/dMay–Nov
Solids, total suspendedmaximum weekly average≤ 132 lb/dJan, Feb, Mar, Apr, Dec
Solids, total suspendedmaximum weekly average≤ 103 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.3 mg/LMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 1.9 mg/LMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.9 mg/LJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]monthly average≤ 3.8 lb/dMay–Nov
Nitrogen, ammonia total [as N]monthly average≤ 5.6 lb/dJan, Feb, Mar, Apr, Dec
Nitrogen, ammonia total [as N]maximum weekly average≤ 5.6 lb/dMay–Nov
Nitrogen, ammonia total [as N]maximum weekly average≤ 8.5 lb/dJan, Feb, Mar, Apr, Dec
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/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 19 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 40 mg/LJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 29 mg/LMay–Nov
BOD, carbonaceous [5 day, 20 C]monthly average≤ 73 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]monthly average≤ 56 lb/dMay–Nov
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 117 lb/dJan, Feb, Mar, Apr, Dec
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 85 lb/dMay–Nov
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/IN0056049 · MCP: https://passage-data.com/mcp