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Trico Water Resource Recovery Facility

Sewage treatment plant, major discharger, Boone County, Indiana. NPDES permit IN0055760, in force until Sep 30, 2027. Last 12 months: no values over a limit, 1 of 18 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 28 days after each period: form A monthly (23 values)
Renewal application due
Apr 3, 2027 · 180 days before expiry; your permit may set another date
Last report on file
September 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 0 of 18 reports late

Limits in force (111)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov001
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec001
Oxygen, dissolved [DO]daily average minimum≥ 5 mg/LJan, Feb, Mar, Apr, Dec001
Oxygen, dissolved [DO]daily average minimum≥ 6 mg/LMay–Nov001
pHdaily minimum≥ 6 SUall year001
pHdaily minimum≥ 6 SUall year001
pHdaily maximum≤ 9 SUall year001
pHdaily maximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 24 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 12 mg/LMay–Nov001
Solids, total suspendedmonthly average≤ 12 mg/LMay–Nov001
Solids, total suspendedmonthly average≤ 24 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 36 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 18 mg/LMay–Nov001
Solids, total suspendedmaximum weekly average≤ 18 mg/LMay–Nov001
Solids, total suspendedmaximum weekly average≤ 36 mg/LJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 1146 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmonthly average≤ 573 lb/dMay–Nov001
Solids, total suspendedmonthly average≤ 573 lb/dMay–Nov001
Solids, total suspendedmonthly average≤ 1146 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 1718 lb/dJan, Feb, Mar, Apr, Dec001
Solids, total suspendedmaximum weekly average≤ 859 lb/dMay–Nov001
Solids, total suspendedmaximum weekly average≤ 859 lb/dMay–Nov001
Solids, total suspendedmaximum weekly average≤ 1718 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, total [as N]monthly averagereport only (mg/L)all year001
Nitrogen, total [as N]monthly averagereport only (lb/d)all year001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 1.4 mg/LMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 1.9 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.1 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.9 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.1 mg/LMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 2.9 mg/LJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 67 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 91 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]monthly average≤ 67 lb/dMay–Nov001
Nitrogen, ammonia total [as N]monthly average≤ 91 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 100 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 138 lb/dJan, Feb, Mar, Apr, Dec001
Nitrogen, ammonia total [as N]maximum weekly average≤ 100 lb/dMay–Nov001
Nitrogen, ammonia total [as N]maximum weekly average≤ 138 lb/dJan, Feb, Mar, Apr, Dec001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly average≤ 1 mg/Lall year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Phosphorus, total [as P]monthly averagereport only (lb/d)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]monthly geometric mean≤ 125 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct001
E. coli, colony forming units [CFU]daily maximum≤ 235 CFU/100mLApr–Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jun, Dec001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jan, Jul001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jan, Jul001
Toxicity [acute], Ceriodaphnia dubiamaximum≤ 1 tox acute (alert, not enforceable)Jan, Jul001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Jun, Dec001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Jan, Jul001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Jan, Jul001
Toxicity [chronic], Ceriodaphnia dubiamaximum≤ 1 tox chronic (alert, not enforceable)Jan, Jul001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jan, Apr, Jul, Oct001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jun, Dec001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jan, Jul001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jan, Jul001
Toxicity [acute], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox acute (alert, not enforceable)Jan, Jul001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicJan, Apr, Jul, Oct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicJan, Apr, Jul, Oct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicJan, Apr, Jul, Oct001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronic (alert, not enforceable)Jun, Dec001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicJan, Jul001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicJan, Jul001
Toxicity [chronic], Pimephales promelas [Fathead Minnow]maximum≤ 1 tox chronicJan, Jul001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 10 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 15 mg/LMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 30 mg/LJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 955 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 477 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 477 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 955 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 1432 lb/dJan, Feb, Mar, Apr, Dec001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 716 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 716 lb/dMay–Nov001
BOD, carbonaceous [5 day, 20 C]maximum weekly average≤ 1432 lb/dJan, Feb, Mar, Apr, Dec001
Flow, totalmonthly totalreport only (Mgal/mo)all year001
Copper, dry weightvaluereport only (mg/kg)Jun, DecPRT
Copper, dry weightvaluereport only (mg/kg)Jun, DecPRT
Cadmium, dry weightvaluereport only (mg/kg)Jun, DecPRT
Cadmium, dry weightvaluereport only (mg/kg)Jun, DecPRT
Molybdenum, sludge, total, dry weight [as Mo]valuereport only (mg/kg)Jun, DecPRT
Molybdenum, sludge, total, dry weight [as Mo]valuereport only (mg/kg)Jun, DecPRT
Zinc, sludge, total, dry weight [as Zn]valuereport only (mg/kg)Jun, DecPRT
Zinc, sludge, total, dry weight [as Zn]valuereport only (mg/kg)Jun, DecPRT
Lead, sludge, total, dry weight [as Pb]valuereport only (mg/kg)Jun, DecPRT
Lead, sludge, total, dry weight [as Pb]valuereport only (mg/kg)Jun, DecPRT
Nickel, sludge, total, dry weight [as Ni]valuereport only (mg/kg)Jun, DecPRT
Nickel, sludge, total, dry weight [as Ni]valuereport only (mg/kg)Jun, DecPRT
Mercury, sludge, total, dry weight [as Hg]valuereport only (mg/kg)Jun, DecPRT
Mercury, sludge, total, dry weight [as Hg]valuereport only (mg/kg)Jun, DecPRT

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/IN0055760 · MCP: https://passage-data.com/mcp