PERU, CITY OF — NPDES permit IL0030660: limits, due date and EPA's record

NPDES permit IL0030660 · Major POTW · effective, expires 2031-05-31 · EPA's file as of 2026-09-19

EPA's record, 2025-09-01 to 2026-08-31

Reporting

Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (251)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	MO AV MN	>= 5.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
001	Oxygen, dissolved [DO]	MN WK AV	>= 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
001	Oxygen, dissolved [DO]	MN WK AV	>= 6 mg/L	Mar, Apr, May, Jun, Jul
001	Oxygen, dissolved [DO]	DAILY MN	>= 3.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
001	Oxygen, dissolved [DO]	DAILY MN	>= 5 mg/L	Mar, Apr, May, Jun, Jul
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 25 mg/L	all year
001	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
001	Solids, total suspended	MO AVG	<= 945 lb/d	all year
001	Solids, total suspended	WKLY AVG	<= 1700 lb/d	all year
001	Oil & Grease	DAILY MX	report only	all year
001	Nitrogen, total [as N]	DAILY MX	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 3.2 mg/L	Mar, Apr, May, Sep, Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 3.2 mg/L	Jun, Jul, Aug
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 3.9 mg/L	Jan, Feb, Nov, Dec
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 121 lb/d	Mar, Apr, May, Sep, Oct
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 121 lb/d	Jun, Jul, Aug
001	Nitrogen, ammonia total [as N]	DAILY MX	<= 147 lb/d	Jan, Feb, Nov, Dec
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Cyanide, total [as CN]	DAILY MX	report only	all year
001	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
001	Fluoride, total [as F]	DAILY MX	report only	all year
001	Arsenic, total [as As]	DAILY MX	report only	all year
001	Barium, total [as Ba]	DAILY MX	report only	all year
001	Beryllium, total [as Be]	DAILY MX	report only	all year
001	Cadmium, total [as Cd]	DAILY MX	report only	all year
001	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
001	Chromium, total [as Cr]	DAILY MX	report only	all year
001	Copper, total [as Cu]	DAILY MX	report only	all year
001	Iron, total [as Fe]	DAILY MX	report only	all year
001	Iron, dissolved [as Fe]	DAILY MX	report only	all year
001	Lead, total [as Pb]	DAILY MX	report only	all year
001	Manganese, total [as Mn]	DAILY MX	report only	all year
001	Thallium, total [as Tl]	DAILY MX	report only	all year
001	Nickel, total [as Ni]	DAILY MX	report only	all year
001	Silver, total [as Ag]	DAILY MX	report only	all year
001	Zinc, total [as Zn]	DAILY MX	report only	all year
001	Antimony, total [as Sb]	DAILY MX	report only	all year
001	Selenium, total [as Se]	DAILY MX	report only	all year
001	Phenolics, total recoverable	DAILY MX	report only	all year
001	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
001	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
001	Chlorine, total residual	DAILY MX	<= .084 mg/L	May, Jun, Jul, Aug, Sep, Oct
001	Chlorine, total residual	DAILY MX	<= .084 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
001	Bromodichloromethane	DAILY MX	report only	Jan, Jul
001	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
001	Perfluorobutanoic acid (PFBA)	DAILY MX	report only	all year
001	Perfluorooctanesulfonamide (PFOSA)	DAILY MX	report only	all year
001	Perfluoropentanoic acid (PFPeA)	DAILY MX	report only	all year
001	Perfluorohexanoic acid (PFHxA)	DAILY MX	report only	all year
001	Perfluoroheptanoic acid (PFHpA)	DAILY MX	report only	all year
001	Perfluorononanoic acid (PFNA)	DAILY MX	report only	all year
001	Perfluorodecanoic acid (PFDA)	DAILY MX	report only	all year
001	Perfluoroundecanoic acid (PFUnA)	DAILY MX	report only	all year
001	Perfluorododecanoic acid (PFDoA)	DAILY MX	report only	all year
001	Perfluorotridecanoic acid (PFTrDA)	DAILY MX	report only	all year
001	Perfluorotetradecanoic acid (PFTeDA)	DAILY MX	report only	all year
001	N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)	DAILY MX	report only	all year
001	N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)	DAILY MX	report only	all year
001	N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	DAILY MX	report only	all year
001	N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	DAILY MX	report only	all year
001	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
001	Perfluorodecanesulfonic acid (PFDS)	DAILY MX	report only	all year
001	Perfluoroheptanesulfonic acid (PFHpS)	DAILY MX	report only	all year
001	Perfluorohexanesulfonic acid (PFHxS)	DAILY MX	report only	all year
001	Perfluorooctanesulfonic acid (PFOS)	DAILY MX	report only	all year
001	1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	DAILY MX	report only	all year
001	1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	DAILY MX	report only	all year
001	1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	DAILY MX	report only	all year
001	Perfluoropentanesulfonic acid (PFPeS)	DAILY MX	report only	all year
001	Perfluorononanesulfonic acid (PFNS)	DAILY MX	report only	all year
001	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
001	Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)	DAILY MX	report only	all year
001	Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)	DAILY MX	report only	all year
001	Perfluorododecanesulfonic acid (PFDoS)	DAILY MX	report only	all year
001	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	DAILY MX	report only	all year
001	N-methyl perfluorooctanesulfonamide (NMeFOSA)	DAILY MX	report only	all year
001	N-ethyl perfluorooctanesulfonamide (NEtFOSA)	DAILY MX	report only	all year
001	Mercury, total [as Hg]	DAILY MX	report only	all year
001	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 20 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 40 mg/L	all year
001	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 756 lb/d	all year
001	BOD, carbonaceous [5 day, 20 C]	WKLY AVG	<= 1511 lb/d	all year
001	PFAS Sum	DAILY MX	report only	all year
001	3-Perfluoropropyl propanoic acid (3:3 FTCA)	DAILY MX	report only	all year
001	Perfluoro-3-methoxypropanoic acid (PFMPA)	DAILY MX	report only	all year
001	9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)	DAILY MX	report only	all year
001	11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)	DAILY MX	report only	all year
001	3-Perfluoroheptyl propanoic acid (7:3 FTCA)	DAILY MX	report only	all year
001	Perfluoro-4-methoxybutanoic acid (PFMBA)	DAILY MX	report only	all year
001	2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)	DAILY MX	report only	all year
002	Overflows	MO TOTAL	report only	all year
003	Overflows	MO TOTAL	report only	all year
004	Overflows	MO TOTAL	report only	all year
005	Overflows	MO TOTAL	report only	all year
006	Overflows	MO TOTAL	report only	all year
007	Overflows	MO TOTAL	report only	all year
008	Overflows	MO TOTAL	report only	all year
009	Overflows	MO TOTAL	report only	all year
010	Overflows	MO TOTAL	report only	all year
011	Overflows	MO TOTAL	report only	all year
012	Overflows	MO TOTAL	report only	all year
013	Overflows	MO TOTAL	report only	all year
014	Overflows	MO TOTAL	report only	all year
015	Overflows	MO TOTAL	report only	all year
016	Overflows	MO TOTAL	report only	all year
017	Overflows	MO TOTAL	report only	all year
018	Overflows	MO TOTAL	report only	all year
019	Overflows	MO TOTAL	report only	all year
020	Overflows	MO TOTAL	report only	all year
021	Overflows	MO TOTAL	report only	all year
022	Overflows	MO TOTAL	report only	all year
023	Overflows	MO TOTAL	report only	all year
024	Overflows	MO TOTAL	report only	all year
A01	BOD, 5-day, 20 deg. C	DAILY MX	report only	all year
A01	pH	MINIMUM	>= 6 SU	all year
A01	pH	MAXIMUM	<= 9 SU	all year
A01	Solids, total suspended	DAILY MX	report only	all year
A01	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
A01	Chlorine, total residual	DAILY MX	<= .75 mg/L	all year
A01	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
A01	Flow, total	MO TOTAL	report only	all year
BIO	Cyanide, total [as CN]	DAILY MX	report only	all year
BIO	Arsenic, total [as As]	DAILY MX	report only	all year
BIO	Barium, total [as Ba]	DAILY MX	report only	all year
BIO	Beryllium, total [as Be]	DAILY MX	report only	all year
BIO	Cadmium, total [as Cd]	DAILY MX	report only	all year
BIO	Chromium, total [as Cr]	DAILY MX	report only	all year
BIO	Copper, total [as Cu]	DAILY MX	report only	all year
BIO	Iron, total [as Fe]	DAILY MX	report only	all year
BIO	Lead, total [as Pb]	DAILY MX	report only	all year
BIO	Manganese, total [as Mn]	DAILY MX	report only	all year
BIO	Thallium, total [as Tl]	DAILY MX	report only	all year
BIO	Nickel, total [as Ni]	DAILY MX	report only	all year
BIO	Silver, total [as Ag]	DAILY MX	report only	all year
BIO	Zinc, total [as Zn]	DAILY MX	report only	all year
BIO	Antimony, total [as Sb]	DAILY MX	report only	all year
BIO	Selenium, total [as Se]	DAILY MX	report only	all year
BIO	Phenolics, total recoverable	DAILY MX	report only	all year
BIO	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
BIO	Perfluorobutanoic acid (PFBA)	DAILY MX	report only	all year
BIO	Perfluorooctanesulfonamide (PFOSA)	DAILY MX	report only	all year
BIO	Perfluoropentanoic acid (PFPeA)	DAILY MX	report only	all year
BIO	Perfluorohexanoic acid (PFHxA)	DAILY MX	report only	all year
BIO	Perfluoroheptanoic acid (PFHpA)	DAILY MX	report only	all year
BIO	Perfluorononanoic acid (PFNA)	DAILY MX	report only	all year
BIO	Perfluorodecanoic acid (PFDA)	DAILY MX	report only	all year
BIO	Perfluoroundecanoic acid (PFUnA)	DAILY MX	report only	all year
BIO	Perfluorododecanoic acid (PFDoA)	DAILY MX	report only	all year
BIO	Perfluorotridecanoic acid (PFTrDA)	DAILY MX	report only	all year
BIO	Perfluorotetradecanoic acid (PFTeDA)	DAILY MX	report only	all year
BIO	N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)	DAILY MX	report only	all year
BIO	N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)	DAILY MX	report only	all year
BIO	N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	DAILY MX	report only	all year
BIO	N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	DAILY MX	report only	all year
BIO	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
BIO	Perfluorodecanesulfonic acid (PFDS)	DAILY MX	report only	all year
BIO	Perfluoroheptanesulfonic acid (PFHpS)	DAILY MX	report only	all year
BIO	Perfluorohexanesulfonic acid (PFHxS)	DAILY MX	report only	all year
BIO	Perfluorooctanesulfonic acid (PFOS)	DAILY MX	report only	all year
BIO	1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	DAILY MX	report only	all year
BIO	1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	DAILY MX	report only	all year
BIO	1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	DAILY MX	report only	all year
BIO	Perfluoropentanesulfonic acid (PFPeS)	DAILY MX	report only	all year
BIO	Perfluorononanesulfonic acid (PFNS)	DAILY MX	report only	all year
BIO	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
BIO	Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)	DAILY MX	report only	all year
BIO	Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)	DAILY MX	report only	all year
BIO	Perfluorododecanesulfonic acid (PFDoS)	DAILY MX	report only	all year
BIO	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	DAILY MX	report only	all year
BIO	N-methyl perfluorooctanesulfonamide (NMeFOSA)	DAILY MX	report only	all year
BIO	N-ethyl perfluorooctanesulfonamide (NEtFOSA)	DAILY MX	report only	all year
BIO	Mercury, total [as Hg]	DAILY MX	report only	all year
BIO	PFAS Sum	DAILY MX	report only	all year
BIO	3-Perfluoropropyl propanoic acid (3:3 FTCA)	DAILY MX	report only	all year
BIO	Perfluoro-3-methoxypropanoic acid (PFMPA)	DAILY MX	report only	all year
BIO	9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)	DAILY MX	report only	all year
BIO	11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)	DAILY MX	report only	all year
BIO	3-Perfluoroheptyl propanoic acid (7:3 FTCA)	DAILY MX	report only	all year
BIO	Perfluoro-4-methoxybutanoic acid (PFMBA)	DAILY MX	report only	all year
BIO	2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)	DAILY MX	report only	all year
INF	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
INF	Solids, total suspended	MO AVG	report only	all year
INF	Oil & Grease	DAILY MX	report only	all year
INF	Cyanide, total [as CN]	DAILY MX	report only	all year
INF	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
INF	Fluoride, total [as F]	DAILY MX	report only	all year
INF	Arsenic, total [as As]	DAILY MX	report only	all year
INF	Barium, total [as Ba]	DAILY MX	report only	all year
INF	Beryllium, total [as Be]	DAILY MX	report only	all year
INF	Cadmium, total [as Cd]	DAILY MX	report only	all year
INF	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
INF	Chromium, total [as Cr]	DAILY MX	report only	all year
INF	Copper, total [as Cu]	DAILY MX	report only	all year
INF	Iron, total [as Fe]	DAILY MX	report only	all year
INF	Iron, dissolved [as Fe]	DAILY MX	report only	all year
INF	Lead, total [as Pb]	DAILY MX	report only	all year
INF	Manganese, total [as Mn]	DAILY MX	report only	all year
INF	Thallium, total [as Tl]	DAILY MX	report only	all year
INF	Nickel, total [as Ni]	DAILY MX	report only	all year
INF	Silver, total [as Ag]	DAILY MX	report only	all year
INF	Zinc, total [as Zn]	DAILY MX	report only	all year
INF	Antimony, total [as Sb]	DAILY MX	report only	all year
INF	Selenium, total [as Se]	DAILY MX	report only	all year
INF	Phenolics, total recoverable	DAILY MX	report only	all year
INF	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
INF	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
INF	Perfluorooctanoic acid (PFOA)	DAILY MX	report only	all year
INF	Perfluorobutanoic acid (PFBA)	DAILY MX	report only	all year
INF	Perfluorooctanesulfonamide (PFOSA)	DAILY MX	report only	all year
INF	Perfluoropentanoic acid (PFPeA)	DAILY MX	report only	all year
INF	Perfluorohexanoic acid (PFHxA)	DAILY MX	report only	all year
INF	Perfluoroheptanoic acid (PFHpA)	DAILY MX	report only	all year
INF	Perfluorononanoic acid (PFNA)	DAILY MX	report only	all year
INF	Perfluorodecanoic acid (PFDA)	DAILY MX	report only	all year
INF	Perfluoroundecanoic acid (PFUnA)	DAILY MX	report only	all year
INF	Perfluorododecanoic acid (PFDoA)	DAILY MX	report only	all year
INF	Perfluorotridecanoic acid (PFTrDA)	DAILY MX	report only	all year
INF	Perfluorotetradecanoic acid (PFTeDA)	DAILY MX	report only	all year
INF	N-ethyl perfluorooctanesulfonamidoethanol (NEtFOSE)	DAILY MX	report only	all year
INF	N-methyl perfluorooctanesulfonamidoethanol (NMeFOSE)	DAILY MX	report only	all year
INF	N-ethyl perfluorooctanesulfonamidoacetic acid (NEtFOSAA)	DAILY MX	report only	all year
INF	N-methyl perfluorooctanesulfonamidoacetic acid (NMeFOSAA)	DAILY MX	report only	all year
INF	Perfluorobutanesulfonic acid (PFBS)	DAILY MX	report only	all year
INF	Perfluorodecanesulfonic acid (PFDS)	DAILY MX	report only	all year
INF	Perfluoroheptanesulfonic acid (PFHpS)	DAILY MX	report only	all year
INF	Perfluorohexanesulfonic acid (PFHxS)	DAILY MX	report only	all year
INF	Perfluorooctanesulfonic acid (PFOS)	DAILY MX	report only	all year
INF	1H,1H,2H,2H-Perfluorohexane sulfonic acid (4:2 FTS)	DAILY MX	report only	all year
INF	1H,1H,2H,2H-Perfluorooctane sulfonic acid (6:2 FTS)	DAILY MX	report only	all year
INF	1H,1H, 2H, 2H-Perfluorodecane sulfonic acid (8:2 FTS)	DAILY MX	report only	all year
INF	Perfluoropentanesulfonic acid (PFPeS)	DAILY MX	report only	all year
INF	Perfluorononanesulfonic acid (PFNS)	DAILY MX	report only	all year
INF	Hexafluoropropylene oxide dimer acid (HFPO-DA)	DAILY MX	report only	all year
INF	Nonafluoro-3,6-dioxaheptanoic acid (NFDHA)	DAILY MX	report only	all year
INF	Perfluoro(2-ethoxyethane)sulfonic acid (PFEESA)	DAILY MX	report only	all year
INF	Perfluorododecanesulfonic acid (PFDoS)	DAILY MX	report only	all year
INF	4,8-Dioxa-3H-perfluorononanoic acid (ADONA)	DAILY MX	report only	all year
INF	N-methyl perfluorooctanesulfonamide (NMeFOSA)	DAILY MX	report only	all year
INF	N-ethyl perfluorooctanesulfonamide (NEtFOSA)	DAILY MX	report only	all year
INF	Mercury, total [as Hg]	DAILY MX	report only	all year
INF	PFAS Sum	DAILY MX	report only	all year
INF	3-Perfluoropropyl propanoic acid (3:3 FTCA)	DAILY MX	report only	all year
INF	Perfluoro-3-methoxypropanoic acid (PFMPA)	DAILY MX	report only	all year
INF	9-Chlorohexadecafluoro-3-oxanonane-1-sulfonic acid (9Cl-PF3ONS)	DAILY MX	report only	all year
INF	11-Chloroeicosafluoro-3-oxaundecane-1-sulfonic acid (11Cl-PF3OUdS)	DAILY MX	report only	all year
INF	3-Perfluoroheptyl propanoic acid (7:3 FTCA)	DAILY MX	report only	all year
INF	Perfluoro-4-methoxybutanoic acid (PFMBA)	DAILY MX	report only	all year
INF	2H,2H,3H,3H-Perfluorooctanoic acid (5:3 FTCA)	DAILY MX	report only	all year