FOX RIVER WATER RECLAMATION DISTRICT — NPDES permit IL0028657: limits, due date and EPA's record

NPDES permit IL0028657 · Major POTW · administratively continued, expires 2024-02-29 · EPA's file as of 2026-09-19

This permit expired on 2024-02-29 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.

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

Last period with anything received: 2026-08-31. Most often over: Nitrogen, ammonia total [as N] (3), Coliform, fecal general (1).

Reporting

Reports are due about 26 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (216)

Outfall	Parameter	Statistic	Limit	Months
001	Oxygen, dissolved [DO]	MO AV MN	report only	all year
001	Oxygen, dissolved [DO]	MN WK AV	report only	all year
001	Oxygen, dissolved [DO]	DAILY MN	report only	all year
001	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
001	BOD, 5-day, 20 deg. C	WKLY AVG	<= 45 mg/L	all year
001	pH	MINIMUM	>= 6 SU	all year
001	pH	MAXIMUM	<= 9 SU	all year
001	Solids, total suspended	MO AVG	<= 30 mg/L	all year
001	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
001	Nitrogen, ammonia total [as N]	MO AVG	report only	all year
001	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
001	Phosphorus, total [as P]	MO AVG	report only	all year
001	Phosphorus, total [as P]	DAILY MX	report only	all year
001	Chlorine, total residual	MO AVG	<= .75 mg/L	all year
001	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
001	Flow, total	MO TOTAL	report only	all year
004	Overflows	MO TOTAL	report only	all year
A01	BOD, 5-day, 20 deg. C	DAILY MX	report only	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	Phosphorus, total [as P]	MO AVG	report only	all year
A01	Phosphorus, total [as P]	DAILY MX	report only	all year
A01	Flow, total	MO TOTAL	report only	all year
B01	Temperature, water deg. fahrenheit	MO MAX	report only	all year
B01	Temperature, water deg. fahrenheit	MO MAX	report only	all year
B01	Oxygen, dissolved [DO]	MO AV MN	>= 5.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01	Oxygen, dissolved [DO]	MO AV MN	>= 5.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01	Oxygen, dissolved [DO]	MN WK AV	>= 6 mg/L	Mar, Apr, May, Jun, Jul
B01	Oxygen, dissolved [DO]	MN WK AV	>= 6 mg/L	Mar, Apr, May, Jun, Jul
B01	Oxygen, dissolved [DO]	MN WK AV	>= 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01	Oxygen, dissolved [DO]	MN WK AV	>= 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01	Oxygen, dissolved [DO]	DAILY MN	>= 5 mg/L	Mar, Apr, May, Jun, Jul
B01	Oxygen, dissolved [DO]	DAILY MN	>= 5 mg/L	Mar, Apr, May, Jun, Jul
B01	Oxygen, dissolved [DO]	DAILY MN	>= 3.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01	Oxygen, dissolved [DO]	DAILY MN	>= 3.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
B01	pH	MINIMUM	>= 6 SU	all year
B01	pH	MINIMUM	>= 6 SU	all year
B01	pH	MAXIMUM	<= 9 SU	all year
B01	pH	MAXIMUM	<= 9 SU	all year
B01	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
B01	Alkalinity, total [as CaCO3]	DAILY MX	report only	all year
B01	Solids, total suspended	MO AVG	<= 12 mg/L	all year
B01	Solids, total suspended	MO AVG	<= 12 mg/L	all year
B01	Solids, total suspended	DAILY MX	<= 24 mg/L	all year
B01	Solids, total suspended	DAILY MX	<= 24 mg/L	all year
B01	Solids, total suspended	MO AVG	<= 5004 lb/d	all year
B01	Solids, total suspended	MO AVG	<= 5004 lb/d	all year
B01	Solids, total suspended	DAILY MX	<= 10008 lb/d	all year
B01	Solids, total suspended	DAILY MX	<= 10008 lb/d	all year
B01	Oil & Grease	DAILY MX	report only	all year
B01	Oil & Grease	DAILY MX	report only	all year
B01	Nitrogen, total [as N]	DAILY MX	report only	all year
B01	Nitrogen, total [as N]	DAILY MX	report only	all year
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 1.5 mg/L	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 1.5 mg/L	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 2 mg/L	Mar
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 2 mg/L	Mar
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 1.5 mg/L	Apr, May, Sep, Oct
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 1.5 mg/L	Apr, May, Sep, Oct
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.9 mg/L	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.9 mg/L	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.9 mg/L	Jan, Feb, Nov, Dec
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.9 mg/L	Jan, Feb, Nov, Dec
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 3.3 mg/L	Mar
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 3.3 mg/L	Mar
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.7 mg/L	Apr, May, Sep, Oct
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 2.7 mg/L	Apr, May, Sep, Oct
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 626 lb/d	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 626 lb/d	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 834 lb/d	Mar
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 834 lb/d	Mar
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 626 lb/d	Apr, May, Sep, Oct
B01	Nitrogen, ammonia total [as N]	MO AVG	<= 626 lb/d	Apr, May, Sep, Oct
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1209 lb/d	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1209 lb/d	Jun, Jul, Aug
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1209 lb/d	Jan, Feb, Nov, Dec
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1209 lb/d	Jan, Feb, Nov, Dec
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1376 lb/d	Mar
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1376 lb/d	Mar
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1126 lb/d	Apr, May, Sep, Oct
B01	Nitrogen, ammonia total [as N]	DAILY MX	<= 1126 lb/d	Apr, May, Sep, Oct
B01	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
B01	Nitrogen, Kjeldahl, total [as N]	DAILY MX	report only	all year
B01	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
B01	Nitrite + Nitrate total [as N]	DAILY MX	report only	all year
B01	Phosphorus, total [as P]	MO AVG	report only	all year
B01	Phosphorus, total [as P]	MO AVG	report only	all year
B01	Phosphorus, total [as P]	DAILY MX	report only	all year
B01	Phosphorus, total [as P]	DAILY MX	report only	all year
B01	Phosphorus, total [as P]	ANNL AVG	<= 1 mg/L	all year
B01	Phosphorus, total [as P]	ANNL AVG	<= 1 mg/L	all year
B01	Phosphorus, total [as P]	ANNL AVG	<= 417 lb/d	all year
B01	Phosphorus, total [as P]	ANNL AVG	<= 417 lb/d	all year
B01	Phosphorus, dissolved	DAILY MX	report only	all year
B01	Phosphorus, dissolved	DAILY MX	report only	all year
B01	Cyanide, total [as CN]	DAILY MX	report only	all year
B01	Cyanide, total [as CN]	DAILY MX	report only	all year
B01	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
B01	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
B01	Fluoride, total [as F]	DAILY MX	report only	all year
B01	Fluoride, total [as F]	DAILY MX	report only	all year
B01	Arsenic, total [as As]	DAILY MX	report only	all year
B01	Arsenic, total [as As]	DAILY MX	report only	all year
B01	Barium, total [as Ba]	DAILY MX	report only	all year
B01	Barium, total [as Ba]	DAILY MX	report only	all year
B01	Beryllium, total [as Be]	DAILY MX	report only	all year
B01	Beryllium, total [as Be]	DAILY MX	report only	all year
B01	Cadmium, total [as Cd]	DAILY MX	report only	all year
B01	Cadmium, total [as Cd]	DAILY MX	report only	all year
B01	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
B01	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
B01	Chromium, total [as Cr]	DAILY MX	report only	all year
B01	Chromium, total [as Cr]	DAILY MX	report only	all year
B01	Copper, total [as Cu]	DAILY MX	report only	all year
B01	Copper, total [as Cu]	DAILY MX	report only	all year
B01	Iron, total [as Fe]	DAILY MX	report only	all year
B01	Iron, total [as Fe]	DAILY MX	report only	all year
B01	Iron, dissolved [as Fe]	DAILY MX	report only	all year
B01	Iron, dissolved [as Fe]	DAILY MX	report only	all year
B01	Lead, total [as Pb]	DAILY MX	report only	all year
B01	Lead, total [as Pb]	DAILY MX	report only	all year
B01	Manganese, total [as Mn]	DAILY MX	report only	all year
B01	Manganese, total [as Mn]	DAILY MX	report only	all year
B01	Thallium, total [as Tl]	DAILY MX	report only	all year
B01	Thallium, total [as Tl]	DAILY MX	report only	all year
B01	Nickel, total [as Ni]	DAILY MX	report only	all year
B01	Nickel, total [as Ni]	DAILY MX	report only	all year
B01	Silver, total [as Ag]	DAILY MX	report only	all year
B01	Silver, total [as Ag]	DAILY MX	report only	all year
B01	Zinc, total [as Zn]	DAILY MX	report only	all year
B01	Zinc, total [as Zn]	DAILY MX	report only	all year
B01	Antimony, total [as Sb]	DAILY MX	report only	all year
B01	Antimony, total [as Sb]	DAILY MX	report only	all year
B01	Selenium, total [as Se]	DAILY MX	report only	all year
B01	Selenium, total [as Se]	DAILY MX	report only	all year
B01	Coliform, fecal - % samples exceeding limit	MAXIMUM	<= 10 %	May, Jun, Jul, Aug, Sep, Oct
B01	Coliform, fecal - % samples exceeding limit	MAXIMUM	<= 10 %	May, Jun, Jul, Aug, Sep, Oct
B01	Phenolics, total recoverable	DAILY MX	report only	all year
B01	Phenolics, total recoverable	DAILY MX	report only	all year
B01	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
B01	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
B01	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
B01	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
B01	Chlorine, total residual	MO AVG	<= .1 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
B01	Chlorine, total residual	MO AVG	<= .1 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
B01	Chlorine, total residual	MO AVG	<= .1 mg/L	May, Jun, Jul, Aug, Sep, Oct
B01	Chlorine, total residual	MO AVG	<= .1 mg/L	May, Jun, Jul, Aug, Sep, Oct
B01	Chlorine, total residual	DAILY MX	<= .15 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
B01	Chlorine, total residual	DAILY MX	<= .15 mg/L	Jan, Feb, Mar, Apr, Nov, Dec
B01	Chlorine, total residual	DAILY MX	<= .15 mg/L	May, Jun, Jul, Aug, Sep, Oct
B01	Chlorine, total residual	DAILY MX	<= .15 mg/L	May, Jun, Jul, Aug, Sep, Oct
B01	Mercury, total [as Hg]	DAILY MX	report only	all year
B01	Mercury, total [as Hg]	DAILY MX	report only	all year
B01	Coliform, fecal general	GEO MEAN	<= 200 #/100mL	May, Jun, Jul, Aug, Sep, Oct
B01	Coliform, fecal general	GEO MEAN	<= 200 #/100mL	May, Jun, Jul, Aug, Sep, Oct
B01	Coliform, fecal general	DAILY MX	report only	May, Jun, Jul, Aug, Sep, Oct
B01	Coliform, fecal general	DAILY MX	report only	May, Jun, Jul, Aug, Sep, Oct
B01	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 10 mg/L	all year
B01	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 10 mg/L	all year
B01	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 20 mg/L	all year
B01	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 20 mg/L	all year
B01	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 4170 lb/d	all year
B01	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 4170 lb/d	all year
B01	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 8340 lb/d	all year
B01	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 8340 lb/d	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	Phosphorus, total [as P]	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
INFL	Oil & Grease	DAILY MX	report only	all year
INFL	Oil & Grease	DAILY MX	report only	all year
INFL	Cyanide, total [as CN]	DAILY MX	report only	all year
INFL	Cyanide, total [as CN]	DAILY MX	report only	all year
INFL	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
INFL	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
INFL	Fluoride, total [as F]	DAILY MX	report only	all year
INFL	Fluoride, total [as F]	DAILY MX	report only	all year
INFL	Arsenic, total [as As]	DAILY MX	report only	all year
INFL	Arsenic, total [as As]	DAILY MX	report only	all year
INFL	Barium, total [as Ba]	DAILY MX	report only	all year
INFL	Barium, total [as Ba]	DAILY MX	report only	all year
INFL	Beryllium, total [as Be]	DAILY MX	report only	all year
INFL	Beryllium, total [as Be]	DAILY MX	report only	all year
INFL	Cadmium, total [as Cd]	DAILY MX	report only	all year
INFL	Cadmium, total [as Cd]	DAILY MX	report only	all year
INFL	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
INFL	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
INFL	Chromium, total [as Cr]	DAILY MX	report only	all year
INFL	Chromium, total [as Cr]	DAILY MX	report only	all year
INFL	Copper, total [as Cu]	DAILY MX	report only	all year
INFL	Copper, total [as Cu]	DAILY MX	report only	all year
INFL	Iron, total [as Fe]	DAILY MX	report only	all year
INFL	Iron, total [as Fe]	DAILY MX	report only	all year
INFL	Iron, dissolved [as Fe]	DAILY MX	report only	all year
INFL	Iron, dissolved [as Fe]	DAILY MX	report only	all year
INFL	Lead, total [as Pb]	DAILY MX	report only	all year
INFL	Lead, total [as Pb]	DAILY MX	report only	all year
INFL	Manganese, total [as Mn]	DAILY MX	report only	all year
INFL	Manganese, total [as Mn]	DAILY MX	report only	all year
INFL	Thallium, total [as Tl]	DAILY MX	report only	all year
INFL	Thallium, total [as Tl]	DAILY MX	report only	all year
INFL	Nickel, total [as Ni]	DAILY MX	report only	all year
INFL	Nickel, total [as Ni]	DAILY MX	report only	all year
INFL	Silver, total [as Ag]	DAILY MX	report only	all year
INFL	Silver, total [as Ag]	DAILY MX	report only	all year
INFL	Zinc, total [as Zn]	DAILY MX	report only	all year
INFL	Zinc, total [as Zn]	DAILY MX	report only	all year
INFL	Antimony, total [as Sb]	DAILY MX	report only	all year
INFL	Antimony, total [as Sb]	DAILY MX	report only	all year
INFL	Selenium, total [as Se]	DAILY MX	report only	all year
INFL	Selenium, total [as Se]	DAILY MX	report only	all year
INFL	Phenolics, total recoverable	DAILY MX	report only	all year
INFL	Phenolics, total recoverable	DAILY MX	report only	all year
INFL	Mercury, total [as Hg]	DAILY MX	report only	all year
INFL	Mercury, total [as Hg]	DAILY MX	report only	all year