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Monterey WWTP, Town of

Sewage treatment plant, Monterey, Indiana. NPDES permit IN0060852, in force until Mar 31, 2031. Last 12 months: no values over a limit, 2 of 12 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (22 values)
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 9 required values missing, 4 of 12 reports late

Limits in force (22)

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≤ 7.8 lb/dall year
Solids, total suspendedmaximum weekly average≤ 11.6 lb/dall year
Nitrogen, ammonia total [as N]monthly average≤ 12.1 mg/Lall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 18.2 mg/Lall year
Nitrogen, ammonia total [as N]monthly average≤ 3.1 lb/dall year
Nitrogen, ammonia total [as N]maximum weekly average≤ 4.7 lb/dall year
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year
Chlorine, total residualmonthly average< .06 mg/LApr–Oct
Chlorine, total residualdaily maximum< .06 mg/LApr–Oct
Chlorine, total residualdaily minimum≥ .5 mg/LApr–Oct
Chlorine, total residualdaily maximumreport only (mg/L)Apr–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
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≤ 6.5 lb/dall year
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 10.3 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/IN0060852 · MCP: https://passage-data.com/mcp