GALESBURG SANITARY DISTRICT — NPDES permit IL0023141: limits, due date and EPA's record

NPDES permit IL0023141 · Major POTW · administratively continued, expires 2025-08-31 · EPA's file as of 2026-09-19

This permit expired on 2025-08-31 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: 2026-07-31. Most often over: Nitrogen, ammonia total [as N] (3), BOD, carbonaceous [5 day, 20 C] (1).

Reporting

Reports are due about 12 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).

Limits in force (222)

Outfall	Parameter	Statistic	Limit	Months
001	Overflows	MO TOTAL	report only	all year
003	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
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
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
025	Overflows	MO TOTAL	report only	all year
028	Overflows	MO TOTAL	report only	all year
030	Overflows	MO TOTAL	report only	all year
031	Overflows	MO TOTAL	report only	all year
032	Overflows	MO TOTAL	report only	all year
033	Overflows	MO TOTAL	report only	all year
034	Overflows	MO TOTAL	report only	all year
035	Overflows	MO TOTAL	report only	all year
037	Overflows	MO TOTAL	report only	all year
042	Oxygen, dissolved [DO]	MO AV MN	>= 5.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
042	Oxygen, dissolved [DO]	MN WK AV	>= 6 mg/L	Mar, Apr, May, Jun, Jul
042	Oxygen, dissolved [DO]	MN WK AV	>= 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
042	Oxygen, dissolved [DO]	DAILY MN	>= 5 mg/L	Mar, Apr, May, Jun, Jul
042	Oxygen, dissolved [DO]	DAILY MN	>= 3.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec
042	pH	MINIMUM	>= 6 SU	all year
042	pH	MAXIMUM	<= 9 SU	all year
042	Solids, total suspended	MO AVG	<= 12 mg/L	all year
042	Solids, total suspended	DAILY MX	<= 24 mg/L	all year
042	Solids, total suspended	MO AVG	<= 2802 lb/d	all year
042	Solids, total suspended	DAILY MX	<= 5604 lb/d	all year
042	Oil & Grease	DAILY MX	report only	all year
042	Oil & Grease	DAILY MX	report only	all year
042	Nitrogen, total [as N]	DAILY MX	report only	all year
042	Nitrogen, ammonia total [as N]	MO AVG	<= 2.6 mg/L	Feb
042	Nitrogen, ammonia total [as N]	MO AVG	<= 2 mg/L	Mar, Apr, May, Sep, Oct
042	Nitrogen, ammonia total [as N]	MO AVG	<= 1.5 mg/L	Jun, Aug
042	Nitrogen, ammonia total [as N]	MO AVG	<= 1.4 mg/L	Jul
042	Nitrogen, ammonia total [as N]	MO AVG	<= 1.4 mg/L	Nov
042	Nitrogen, ammonia total [as N]	MO AVG	<= 2 mg/L	Dec
042	Nitrogen, ammonia total [as N]	MO AVG	<= 2.8 mg/L	Jan
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 8.4 mg/L	Feb
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 5.7 mg/L	Mar, Apr, May, Sep, Oct
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 6.4 mg/L	Jun, Aug
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 6.4 mg/L	Jul
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 8.4 mg/L	Nov
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 8.4 mg/L	Dec
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 8.4 mg/L	Jan
042	Nitrogen, ammonia total [as N]	MO AVG	<= 607 lb/d	Feb
042	Nitrogen, ammonia total [as N]	MO AVG	<= 467 lb/d	Mar, Apr, May, Sep, Oct
042	Nitrogen, ammonia total [as N]	MO AVG	<= 350 lb/d	Jun, Aug
042	Nitrogen, ammonia total [as N]	MO AVG	<= 327 lb/d	Jul
042	Nitrogen, ammonia total [as N]	MO AVG	<= 327 lb/d	Nov
042	Nitrogen, ammonia total [as N]	MO AVG	<= 467 lb/d	Dec
042	Nitrogen, ammonia total [as N]	MO AVG	<= 654 lb/d	Jan
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 1962 lb/d	Feb
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 1331 lb/d	Mar, Apr, May, Sep, Oct
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 1495 lb/d	Jun, Aug
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 1495 lb/d	Jul
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 1962 lb/d	Nov
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 1962 lb/d	Dec
042	Nitrogen, ammonia total [as N]	DAILY MX	<= 1962 lb/d	Jan
042	Nitrogen, ammonia total [as N]	WKLY AVG	<= 3.8 mg/L	Jul
042	Nitrogen, ammonia total [as N]	WKLY AVG	<= 3.8 mg/L	Jun, Aug
042	Nitrogen, ammonia total [as N]	WKLY AVG	<= 4 mg/L	Mar, Apr, May, Sep, Oct
042	Nitrogen, ammonia total [as N]	WKLY AVG	<= 887 lb/d	Jul
042	Nitrogen, ammonia total [as N]	WKLY AVG	<= 887 lb/d	Jun, Aug
042	Nitrogen, ammonia total [as N]	WKLY AVG	<= 934 lb/d	Mar, Apr, May, Sep, Oct
042	Phosphorus, total [as P]	DAILY MX	report only	all year
042	Cyanide, total [as CN]	DAILY MX	report only	all year
042	Cyanide, total [as CN]	DAILY MX	report only	all year
042	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
042	Cyanide, free [amenable to chlorination]	DAILY MX	report only	all year
042	Fluoride, total [as F]	DAILY MX	report only	all year
042	Fluoride, total [as F]	DAILY MX	report only	all year
042	Arsenic, total [as As]	DAILY MX	report only	all year
042	Arsenic, total [as As]	DAILY MX	report only	all year
042	Barium, total [as Ba]	DAILY MX	report only	all year
042	Barium, total [as Ba]	DAILY MX	report only	all year
042	Beryllium, total [as Be]	DAILY MX	report only	all year
042	Beryllium, total [as Be]	DAILY MX	report only	all year
042	Cadmium, total [as Cd]	DAILY MX	report only	all year
042	Cadmium, total [as Cd]	DAILY MX	report only	all year
042	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
042	Chromium, hexavalent [as Cr]	DAILY MX	report only	all year
042	Chromium, total [as Cr]	DAILY MX	report only	all year
042	Chromium, total [as Cr]	DAILY MX	report only	all year
042	Copper, total [as Cu]	DAILY MX	report only	all year
042	Copper, total [as Cu]	DAILY MX	report only	all year
042	Iron, total [as Fe]	DAILY MX	report only	all year
042	Iron, total [as Fe]	DAILY MX	report only	all year
042	Iron, dissolved [as Fe]	DAILY MX	report only	all year
042	Iron, dissolved [as Fe]	DAILY MX	report only	all year
042	Lead, total [as Pb]	DAILY MX	report only	all year
042	Lead, total [as Pb]	DAILY MX	report only	all year
042	Manganese, total [as Mn]	DAILY MX	report only	all year
042	Manganese, total [as Mn]	DAILY MX	report only	all year
042	Thallium, total [as Tl]	DAILY MX	report only	all year
042	Thallium, total [as Tl]	DAILY MX	report only	all year
042	Nickel, total [as Ni]	DAILY MX	report only	all year
042	Nickel, total [as Ni]	DAILY MX	report only	all year
042	Silver, total [as Ag]	DAILY MX	report only	all year
042	Silver, total [as Ag]	DAILY MX	report only	all year
042	Zinc, total [as Zn]	DAILY MX	report only	all year
042	Zinc, total [as Zn]	DAILY MX	report only	all year
042	Antimony, total [as Sb]	DAILY MX	report only	all year
042	Antimony, total [as Sb]	DAILY MX	report only	all year
042	Selenium, total [as Se]	DAILY MX	report only	all year
042	Selenium, total [as Se]	DAILY MX	report only	all year
042	Phenolics, total recoverable	DAILY MX	report only	all year
042	Phenolics, total recoverable	DAILY MX	report only	all year
042	Flow, in conduit or thru treatment plant	MO AVG	report only	all year
042	Flow, in conduit or thru treatment plant	DAILY MX	report only	all year
042	Chlorine, total residual	DAILY MX	<= .038 mg/L	all year
042	Mercury, total [as Hg]	DAILY MX	report only	all year
042	Mercury, total [as Hg]	DAILY MX	report only	all year
042	Coliform, fecal general	DAILY MX	<= 400 #/100mL	May, Jun, Jul, Aug, Sep, Oct
042	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 10 mg/L	all year
042	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 20 mg/L	all year
042	BOD, carbonaceous [5 day, 20 C]	MO AVG	<= 2335 lb/d	all year
042	BOD, carbonaceous [5 day, 20 C]	DAILY MX	<= 4670 lb/d	all year
043	Overflows	MO TOTAL	report only	all year
047	Overflows	MO TOTAL	report only	all year
066	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
066	pH	MINIMUM	>= 6 SU	all year
066	pH	MAXIMUM	<= 9 SU	all year
066	Solids, total suspended	MO AVG	report only	all year
066	Chlorine, total residual	MO AVG	<= 1 mg/L	all year
066	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
066	Flow, total	MO TOTAL	report only	all year
067	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
067	pH	MINIMUM	>= 6 SU	all year
067	pH	MAXIMUM	<= 9 SU	all year
067	Solids, total suspended	MO AVG	report only	all year
067	Chlorine, total residual	MO AVG	<= 1 mg/L	all year
067	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
067	Flow, total	MO TOTAL	report only	all year
068	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
068	pH	MINIMUM	>= 6 SU	all year
068	pH	MAXIMUM	<= 9 SU	all year
068	Solids, total suspended	MO AVG	report only	all year
068	Chlorine, total residual	MO AVG	<= 1 mg/L	all year
068	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
068	Flow, total	MO TOTAL	report only	all year
069	BOD, 5-day, 20 deg. C	MO AVG	report only	all year
069	pH	MINIMUM	>= 6 SU	all year
069	pH	MAXIMUM	<= 9 SU	all year
069	Solids, total suspended	MO AVG	report only	all year
069	Chlorine, total residual	MO AVG	<= 1 mg/L	all year
069	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
069	Flow, total	MO TOTAL	report only	all year
070	BOD, 5-day, 20 deg. C	MO AVG	<= 30 mg/L	all year
070	BOD, 5-day, 20 deg. C	WKLY AVG	<= 45 mg/L	all year
070	pH	MINIMUM	>= 6 SU	all year
070	pH	MAXIMUM	<= 9 SU	all year
070	Solids, total suspended	MO AVG	<= 30 mg/L	all year
070	Solids, total suspended	WKLY AVG	<= 45 mg/L	all year
070	Nitrogen, ammonia total [as N]	DAILY MX	report only	all year
070	Phosphorus, total [as P]	MO AVG	report only	all year
070	Phosphorus, total [as P]	DAILY MX	report only	all year
070	Chlorine, total residual	MO AVG	<= 1 mg/L	all year
070	Coliform, fecal general	DAILY MX	<= 400 #/100mL	all year
070	Flow, total	MO TOTAL	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	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