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Peru, City of

Sewage treatment plant, major discharger, Peru, Illinois. NPDES permit IL0030660, in force until May 31, 2031. Last 12 months: no values over a limit, 8 of 288 reports late. Source: EPA ECHO, Oct 22, 2026.

Reports due
About 25 days after each period: outfall 001 form 0 monthly (21 values), outfall 002 form 0 monthly (1 value), outfall 003 form 0 monthly (1 value), outfall 004 form 0 monthly (1 value), outfall 005 form 0 monthly (1 value), outfall 006 form 0 monthly (1 value), and 26 more forms
Last report on file
August 2026
Oct 2024 – Sep 2025
0 values over a limit, 0 required values missing, 18 of 314 reports late

Limits in force (251)

ParameterStatisticLimitMonthsOutfall
Oxygen, dissolved [DO]monthly average minimum≥ 5.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 4 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]minimum weekly average≥ 6 mg/LMar–Jul001
Oxygen, dissolved [DO]daily minimum≥ 3.5 mg/LJan, Feb, Aug, Sep, Oct, Nov, Dec001
Oxygen, dissolved [DO]daily minimum≥ 5 mg/LMar–Jul001
pHminimum≥ 6 SUall year001
pHmaximum≤ 9 SUall year001
Solids, total suspendedmonthly average≤ 25 mg/Lall year001
Solids, total suspendedweekly average≤ 45 mg/Lall year001
Solids, total suspendedmonthly average≤ 945 lb/dall year001
Solids, total suspendedweekly average≤ 1700 lb/dall year001
Oil & Greasedaily maximumreport only (mg/L)all year001
Nitrogen, total [as N]daily maximumreport only (mg/L)all year001
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 mg/LMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 3.2 mg/LJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 3.9 mg/LJan, Feb, Nov, Dec001
Nitrogen, ammonia total [as N]daily maximum≤ 121 lb/dMar, Apr, May, Sep, Oct001
Nitrogen, ammonia total [as N]daily maximum≤ 121 lb/dJun–Aug001
Nitrogen, ammonia total [as N]daily maximum≤ 147 lb/dJan, Feb, Nov, Dec001
Phosphorus, total [as P]daily maximumreport only (mg/L)all year001
Cyanide, total [as CN]daily maximumreport only (ug/L)all year001
Cyanide, free [amenable to chlorination]daily maximumreport only (ug/L)all year001
Fluoride, total [as F]daily maximumreport only (mg/L)all year001
Arsenic, total [as As]daily maximumreport only (mg/L)all year001
Barium, total [as Ba]daily maximumreport only (mg/L)all year001
Beryllium, total [as Be]daily maximumreport only (mg/L)all year001
Cadmium, total [as Cd]daily maximumreport only (mg/L)all year001
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all year001
Chromium, total [as Cr]daily maximumreport only (mg/L)all year001
Copper, total [as Cu]daily maximumreport only (mg/L)all year001
Iron, total [as Fe]daily maximumreport only (mg/L)all year001
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all year001
Lead, total [as Pb]daily maximumreport only (mg/L)all year001
Manganese, total [as Mn]daily maximumreport only (mg/L)all year001
Thallium, total [as Tl]daily maximumreport only (mg/L)all year001
Nickel, total [as Ni]daily maximumreport only (mg/L)all year001
Silver, total [as Ag]daily maximumreport only (mg/L)all year001
Zinc, total [as Zn]daily maximumreport only (mg/L)all year001
Antimony, total [as Sb]daily maximumreport only (mg/L)all year001
Selenium, total [as Se]daily maximumreport only (mg/L)all year001
Phenolics, total recoverabledaily maximumreport only (mg/L)all year001
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all year001
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all year001
Chlorine, total residualdaily maximum≤ .084 mg/LMay–Oct001
Chlorine, total residualdaily maximum≤ .084 mg/LJan, Feb, Mar, Apr, Nov, Dec001
Bromodichloromethanedaily maximumreport only (mg/L)Jan, Jul001
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all year001
Perfluorobutanoic acid (PFBA)daily maximumreport only (ng/L)all year001
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ng/L)all year001
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ng/L)all year001
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ng/L)all year001
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all year001
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all year001
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all year001
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ng/L)all year001
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ng/L)all year001
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ng/L)all year001
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ng/L)all year001
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all year001
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ng/L)all year001
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ng/L)all year001
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all year001
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all year001
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ng/L)all year001
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ng/L)all year001
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ng/L)all year001
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ng/L)all year001
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ng/L)all year001
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all year001
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (ng/L)all year001
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ng/L)all year001
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ng/L)all year001
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ng/L)all year001
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ng/L)all year001
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ng/L)all year001
Mercury, total [as Hg]daily maximumreport only (ng/L)all year001
Coliform, fecal generaldaily maximum≤ 400 #/100mLMay–Oct001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 20 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 40 mg/Lall year001
BOD, carbonaceous [5 day, 20 C]monthly average≤ 756 lb/dall year001
BOD, carbonaceous [5 day, 20 C]weekly average≤ 1511 lb/dall year001
PFAS Sumdaily maximumreport only (ng/L)all year001
3-Perfluoropropyl propanoic acid (3:3 FTCA)daily maximumreport only (ng/L)all year001
Perfluoro-3-methoxypropanoic acid (PFMPA)daily maximumreport only (ng/L)all year001
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)daily maximumreport only (ng/L)all year001
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)daily maximumreport only (ng/L)all year001
3-Perfluoroheptyl propanoic acid (7:3 FTCA)daily maximumreport only (ng/L)all year001
Perfluoro-4-methoxybutanoic acid (PFMBA)daily maximumreport only (ng/L)all year001
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)daily maximumreport only (ng/L)all year001
Overflowsmonthly totalreport only (#/mo)all year002
Overflowsmonthly totalreport only (#/mo)all year003
Overflowsmonthly totalreport only (#/mo)all year004
Overflowsmonthly totalreport only (#/mo)all year005
Overflowsmonthly totalreport only (#/mo)all year006
Overflowsmonthly totalreport only (#/mo)all year007
Overflowsmonthly totalreport only (#/mo)all year008
Overflowsmonthly totalreport only (#/mo)all year009
Overflowsmonthly totalreport only (#/mo)all year010
Overflowsmonthly totalreport only (#/mo)all year011
Overflowsmonthly totalreport only (#/mo)all year012
Overflowsmonthly totalreport only (#/mo)all year013
Overflowsmonthly totalreport only (#/mo)all year014
Overflowsmonthly totalreport only (#/mo)all year015
Overflowsmonthly totalreport only (#/mo)all year016
Overflowsmonthly totalreport only (#/mo)all year017
Overflowsmonthly totalreport only (#/mo)all year018
Overflowsmonthly totalreport only (#/mo)all year019
Overflowsmonthly totalreport only (#/mo)all year020
Overflowsmonthly totalreport only (#/mo)all year021
Overflowsmonthly totalreport only (#/mo)all year022
Overflowsmonthly totalreport only (#/mo)all year023
Overflowsmonthly totalreport only (#/mo)all year024
BOD, 5-day, 20 deg. Cdaily maximumreport only (mg/L)all yearA01
pHminimum≥ 6 SUall yearA01
pHmaximum≤ 9 SUall yearA01
Solids, total suspendeddaily maximumreport only (mg/L)all yearA01
Nitrogen, ammonia total [as N]daily maximumreport only (mg/L)all yearA01
Chlorine, total residualdaily maximum≤ .75 mg/Lall yearA01
Coliform, fecal generaldaily maximum≤ 400 #/100mLall yearA01
Flow, totalmonthly totalreport only (Mgal/mo)all yearA01
Cyanide, total [as CN]daily maximumreport only (ug/L)all yearBIO
Arsenic, total [as As]daily maximumreport only (mg/L)all yearBIO
Barium, total [as Ba]daily maximumreport only (mg/L)all yearBIO
Beryllium, total [as Be]daily maximumreport only (mg/L)all yearBIO
Cadmium, total [as Cd]daily maximumreport only (mg/L)all yearBIO
Chromium, total [as Cr]daily maximumreport only (mg/L)all yearBIO
Copper, total [as Cu]daily maximumreport only (mg/L)all yearBIO
Iron, total [as Fe]daily maximumreport only (mg/L)all yearBIO
Lead, total [as Pb]daily maximumreport only (mg/L)all yearBIO
Manganese, total [as Mn]daily maximumreport only (mg/L)all yearBIO
Thallium, total [as Tl]daily maximumreport only (mg/L)all yearBIO
Nickel, total [as Ni]daily maximumreport only (mg/L)all yearBIO
Silver, total [as Ag]daily maximumreport only (mg/L)all yearBIO
Zinc, total [as Zn]daily maximumreport only (mg/L)all yearBIO
Antimony, total [as Sb]daily maximumreport only (mg/L)all yearBIO
Selenium, total [as Se]daily maximumreport only (mg/L)all yearBIO
Phenolics, total recoverabledaily maximumreport only (mg/L)all yearBIO
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/g)all yearBIO
Perfluorobutanoic acid (PFBA)daily maximumreport only (ng/g)all yearBIO
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ng/g)all yearBIO
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ng/g)all yearBIO
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ng/g)all yearBIO
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/g)all yearBIO
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/g)all yearBIO
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/g)all yearBIO
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ng/g)all yearBIO
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ng/g)all yearBIO
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ng/g)all yearBIO
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ng/g)all yearBIO
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ng/g)all yearBIO
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ng/g)all yearBIO
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ng/g)all yearBIO
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ng/g)all yearBIO
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/g)all yearBIO
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ng/g)all yearBIO
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ng/g)all yearBIO
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/g)all yearBIO
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/g)all yearBIO
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ng/g)all yearBIO
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ng/g)all yearBIO
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ng/g)all yearBIO
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ng/g)all yearBIO
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ng/g)all yearBIO
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/g)all yearBIO
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (ng/g)all yearBIO
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ng/g)all yearBIO
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ng/g)all yearBIO
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ng/g)all yearBIO
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ng/g)all yearBIO
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ng/g)all yearBIO
Mercury, total [as Hg]daily maximumreport only (ng/L)all yearBIO
PFAS Sumdaily maximumreport only (ng/g)all yearBIO
3-Perfluoropropyl propanoic acid (3:3 FTCA)daily maximumreport only (ng/g)all yearBIO
Perfluoro-3-methoxypropanoic acid (PFMPA)daily maximumreport only (ng/g)all yearBIO
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)daily maximumreport only (ng/g)all yearBIO
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)daily maximumreport only (ng/g)all yearBIO
3-Perfluoroheptyl propanoic acid (7:3 FTCA)daily maximumreport only (ng/g)all yearBIO
Perfluoro-4-methoxybutanoic acid (PFMBA)daily maximumreport only (ng/g)all yearBIO
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)daily maximumreport only (ng/g)all yearBIO
BOD, 5-day, 20 deg. Cmonthly averagereport only (mg/L)all yearINF
Solids, total suspendedmonthly averagereport only (mg/L)all yearINF
Oil & Greasedaily maximumreport only (mg/L)all yearINF
Cyanide, total [as CN]daily maximumreport only (ug/L)all yearINF
Cyanide, free [amenable to chlorination]daily maximumreport only (ug/L)all yearINF
Fluoride, total [as F]daily maximumreport only (mg/L)all yearINF
Arsenic, total [as As]daily maximumreport only (mg/L)all yearINF
Barium, total [as Ba]daily maximumreport only (mg/L)all yearINF
Beryllium, total [as Be]daily maximumreport only (mg/L)all yearINF
Cadmium, total [as Cd]daily maximumreport only (mg/L)all yearINF
Chromium, hexavalent [as Cr]daily maximumreport only (mg/L)all yearINF
Chromium, total [as Cr]daily maximumreport only (mg/L)all yearINF
Copper, total [as Cu]daily maximumreport only (mg/L)all yearINF
Iron, total [as Fe]daily maximumreport only (mg/L)all yearINF
Iron, dissolved [as Fe]daily maximumreport only (mg/L)all yearINF
Lead, total [as Pb]daily maximumreport only (mg/L)all yearINF
Manganese, total [as Mn]daily maximumreport only (mg/L)all yearINF
Thallium, total [as Tl]daily maximumreport only (mg/L)all yearINF
Nickel, total [as Ni]daily maximumreport only (mg/L)all yearINF
Silver, total [as Ag]daily maximumreport only (mg/L)all yearINF
Zinc, total [as Zn]daily maximumreport only (mg/L)all yearINF
Antimony, total [as Sb]daily maximumreport only (mg/L)all yearINF
Selenium, total [as Se]daily maximumreport only (mg/L)all yearINF
Phenolics, total recoverabledaily maximumreport only (mg/L)all yearINF
Flow, in conduit or thru treatment plantmonthly averagereport only (MGD)all yearINF
Flow, in conduit or thru treatment plantdaily maximumreport only (MGD)all yearINF
Perfluorooctanoic acid (PFOA)daily maximumreport only (ng/L)all yearINF
Perfluorobutanoic acid (PFBA)daily maximumreport only (ng/L)all yearINF
Perfluorooctanesulfonamide (PFOSA)daily maximumreport only (ng/L)all yearINF
Perfluoropentanoic acid (PFPeA)daily maximumreport only (ng/L)all yearINF
Perfluorohexanoic acid (PFHxA)daily maximumreport only (ng/L)all yearINF
Perfluoroheptanoic acid (PFHpA)daily maximumreport only (ng/L)all yearINF
Perfluorononanoic acid (PFNA)daily maximumreport only (ng/L)all yearINF
Perfluorodecanoic acid (PFDA)daily maximumreport only (ng/L)all yearINF
Perfluoroundecanoic acid (PFUnA)daily maximumreport only (ng/L)all yearINF
Perfluorododecanoic acid (PFDoA)daily maximumreport only (ng/L)all yearINF
Perfluorotridecanoic acid (PFTrDA)daily maximumreport only (ng/L)all yearINF
Perfluorotetradecanoic acid (PFTeDA)daily maximumreport only (ng/L)all yearINF
N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)daily maximumreport only (ng/L)all yearINF
N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)daily maximumreport only (ng/L)all yearINF
N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)daily maximumreport only (ng/L)all yearINF
N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)daily maximumreport only (ng/L)all yearINF
Perfluorobutanesulfonic acid (PFBS)daily maximumreport only (ng/L)all yearINF
Perfluorodecanesulfonic acid (PFDS)daily maximumreport only (ng/L)all yearINF
Perfluoroheptanesulfonic acid (PFHpS)daily maximumreport only (ng/L)all yearINF
Perfluorohexanesulfonic acid (PFHxS)daily maximumreport only (ng/L)all yearINF
Perfluorooctanesulfonic acid (PFOS)daily maximumreport only (ng/L)all yearINF
1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)daily maximumreport only (ng/L)all yearINF
1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)daily maximumreport only (ng/L)all yearINF
1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)daily maximumreport only (ng/L)all yearINF
Perfluoropentanesulfonic acid (PFPeS)daily maximumreport only (ng/L)all yearINF
Perfluorononanesulfonic acid (PFNS)daily maximumreport only (ng/L)all yearINF
Hexafluoropropylene oxide dimer acid (HFPO-DA)daily maximumreport only (ng/L)all yearINF
Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)daily maximumreport only (ng/L)all yearINF
Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)daily maximumreport only (ng/L)all yearINF
Perfluorododecanesulfonic acid (PFDoS)daily maximumreport only (ng/L)all yearINF
4,8-Dioxa-3H-perfluorononanoic acid (ADONA)daily maximumreport only (ng/L)all yearINF
N-methyl perfluorooctanesulfonamide (NMeFOSA)daily maximumreport only (ng/L)all yearINF
N-ethyl perfluorooctanesulfonamide (NEtFOSA)daily maximumreport only (ng/L)all yearINF
Mercury, total [as Hg]daily maximumreport only (ng/L)all yearINF
PFAS Sumdaily maximumreport only (ng/L)all yearINF
3-Perfluoropropyl propanoic acid (3:3 FTCA)daily maximumreport only (ng/L)all yearINF
Perfluoro-3-methoxypropanoic acid (PFMPA)daily maximumreport only (ng/L)all yearINF
9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)daily maximumreport only (ng/L)all yearINF
11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)daily maximumreport only (ng/L)all yearINF
3-Perfluoroheptyl propanoic acid (7:3 FTCA)daily maximumreport only (ng/L)all yearINF
Perfluoro-4-methoxybutanoic acid (PFMBA)daily maximumreport only (ng/L)all yearINF
2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)daily maximumreport only (ng/L)all yearINF

How strict are these limits?

Cited limits by parameter: Illinois's rules and the federal ones.

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Your permit document is the final word. As JSON: /api/v1/permits/IL0030660 · MCP: https://passage-data.com/mcp