Danville Sanitary District — NPDES permit IL0020788: limits, due date and EPA's record

Sewage treatment plant, major discharger, Danville, Illinois. NPDES permit IL0020788 expired Apr 30, 2026; its limits still apply. Last 12 months: over a limit once (last November 2025). Source: EPA ECHO, Oct 22, 2026.

Last 12 months (Oct 1, 2025 – Sep 30, 2026)

Period ending	Parameter	Reported	Limit	Over by
November 2025	Nitrogen, ammonia total [as N], daily maximum	9.14 mg/L	≤ 4.4 mg/L	108%

Limits in force (296)

Parameter	Statistic	Limit	Months	Outfall
Oxygen, dissolved [DO]	monthly average minimum	≥ 6 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	001
Oxygen, dissolved [DO]	monthly average minimum	≥ 6 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	001
Oxygen, dissolved [DO]	minimum weekly average	≥ 6.25 mg/L	Mar–Jul	001
Oxygen, dissolved [DO]	minimum weekly average	≥ 6.25 mg/L	Mar–Jul	001
Oxygen, dissolved [DO]	minimum weekly average	≥ 4.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	001
Oxygen, dissolved [DO]	minimum weekly average	≥ 4.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	001
Oxygen, dissolved [DO]	daily minimum	≥ 5 mg/L	Mar–Jul	001
Oxygen, dissolved [DO]	daily minimum	≥ 5 mg/L	Mar–Jul	001
Oxygen, dissolved [DO]	daily minimum	≥ 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	001
Oxygen, dissolved [DO]	daily minimum	≥ 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	001
pH	minimum	≥ 6 SU	all year	001
pH	minimum	≥ 6 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
pH	maximum	≤ 9 SU	all year	001
Solids, total suspended	monthly average	≤ 12 mg/L	all year	001
Solids, total suspended	monthly average	≤ 12 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 24 mg/L	all year	001
Solids, total suspended	daily maximum	≤ 24 mg/L	all year	001
Solids, total suspended	monthly average	≤ 2402 lb/d	all year	001
Solids, total suspended	monthly average	≤ 2402 lb/d	all year	001
Solids, total suspended	daily maximum	≤ 4804 lb/d	all year	001
Solids, total suspended	daily maximum	≤ 4804 lb/d	all year	001
Oil & Grease	daily maximum	report only (mg/L)	all year	001
Oil & Grease	daily maximum	report only (mg/L)	all year	001
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	001
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	001
Nitrogen, ammonia total [as N]	monthly average	≤ 3.9 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 3.9 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.1 mg/L	Jun–Aug	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.1 mg/L	Jun–Aug	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.5 mg/L	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 1.5 mg/L	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.4 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.4 mg/L	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.1 mg/L	Jun–Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.1 mg/L	Jun–Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.2 mg/L	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.2 mg/L	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 781 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 781 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	monthly average	≤ 220 lb/d	Jun–Aug	001
Nitrogen, ammonia total [as N]	monthly average	≤ 220 lb/d	Jun–Aug	001
Nitrogen, ammonia total [as N]	monthly average	≤ 300 lb/d	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	monthly average	≤ 300 lb/d	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 881 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 881 lb/d	Jan, Feb, Nov, Dec	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 821 lb/d	Jun–Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 821 lb/d	Jun–Aug	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 841 lb/d	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	daily maximum	≤ 841 lb/d	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	weekly average	≤ 2.8 mg/L	Jun–Aug	001
Nitrogen, ammonia total [as N]	weekly average	≤ 2.8 mg/L	Jun–Aug	001
Nitrogen, ammonia total [as N]	weekly average	≤ 3.8 mg/L	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	weekly average	≤ 3.8 mg/L	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	weekly average	≤ 560 lb/d	Jun–Aug	001
Nitrogen, ammonia total [as N]	weekly average	≤ 560 lb/d	Jun–Aug	001
Nitrogen, ammonia total [as N]	weekly average	≤ 761 lb/d	Mar, Apr, May, Sep, Oct	001
Nitrogen, ammonia total [as N]	weekly average	≤ 761 lb/d	Mar, Apr, May, Sep, Oct	001
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	001
Cyanide, total [as CN]	daily maximum	report only (ug/L)	all year	001
Cyanide, total [as CN]	daily maximum	report only (ug/L)	all year	001
Cyanide, free [amenable to chlorination]	daily maximum	report only (ug/L)	all year	001
Cyanide, free [amenable to chlorination]	daily maximum	report only (ug/L)	all year	001
Fluoride, total [as F]	daily maximum	report only (mg/L)	all year	001
Fluoride, total [as F]	daily maximum	report only (mg/L)	all year	001
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	001
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	001
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	001
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	001
Beryllium, total [as Be]	daily maximum	report only (mg/L)	all year	001
Beryllium, total [as Be]	daily maximum	report only (mg/L)	all year	001
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	001
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	001
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	001
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	001
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	001
Iron, total [as Fe]	daily maximum	report only (mg/L)	all year	001
Iron, total [as Fe]	daily maximum	report only (mg/L)	all year	001
Iron, dissolved [as Fe]	daily maximum	report only (mg/L)	all year	001
Iron, dissolved [as Fe]	daily maximum	report only (mg/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	001
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	001
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	001
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	001
Thallium, total [as Tl]	daily maximum	report only (mg/L)	all year	001
Thallium, total [as Tl]	daily maximum	report only (mg/L)	all year	001
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	001
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	001
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	001
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	001
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	001
Antimony, total [as Sb]	daily maximum	report only (mg/L)	all year	001
Antimony, total [as Sb]	daily maximum	report only (mg/L)	all year	001
Selenium, total [as Se]	daily maximum	report only (mg/L)	all year	001
Selenium, total [as Se]	daily maximum	report only (mg/L)	all year	001
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	001
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	001
Chlorine, total residual	daily maximum	≤ .038 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	001
Chlorine, total residual	daily maximum	≤ .038 mg/L	Jan, Feb, Mar, Apr, Nov, Dec	001
Chlorine, total residual	daily maximum	≤ .038 mg/L	May–Oct	001
Chlorine, total residual	daily maximum	≤ .038 mg/L	May–Oct	001
Mercury, total [as Hg]	daily maximum	report only (ng/L)	all year	001
Mercury, total [as Hg]	daily maximum	report only (ng/L)	all year	001
Coliform, fecal general	daily maximum	≤ 400 #/100mL	May–Oct	001
Coliform, fecal general	daily maximum	≤ 400 #/100mL	May–Oct	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 20 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 20 mg/L	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 2002 lb/d	all year	001
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 2002 lb/d	all year	001
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 4003 lb/d	all year	001
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 4003 lb/d	all year	001
Oxygen, dissolved [DO]	monthly average minimum	≥ 6 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	monthly average minimum	≥ 6 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	monthly average minimum	≥ 6 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	minimum weekly average	≥ 6.25 mg/L	Mar–Jul	003
Oxygen, dissolved [DO]	minimum weekly average	≥ 6.25 mg/L	Mar–Jul	003
Oxygen, dissolved [DO]	minimum weekly average	≥ 6.25 mg/L	Mar–Jul	003
Oxygen, dissolved [DO]	minimum weekly average	≥ 4.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	minimum weekly average	≥ 4.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	minimum weekly average	≥ 4.5 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	daily minimum	≥ 5 mg/L	Mar–Jul	003
Oxygen, dissolved [DO]	daily minimum	≥ 5 mg/L	Mar–Jul	003
Oxygen, dissolved [DO]	daily minimum	≥ 5 mg/L	Mar–Jul	003
Oxygen, dissolved [DO]	daily minimum	≥ 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	daily minimum	≥ 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
Oxygen, dissolved [DO]	daily minimum	≥ 4 mg/L	Jan, Feb, Aug, Sep, Oct, Nov, Dec	003
pH	minimum	≥ 6 SU	all year	003
pH	minimum	≥ 6 SU	all year	003
pH	minimum	≥ 6 SU	all year	003
pH	maximum	≤ 9 SU	all year	003
pH	maximum	≤ 9 SU	all year	003
pH	maximum	≤ 9 SU	all year	003
Solids, total suspended	monthly average	≤ 12 mg/L	all year	003
Solids, total suspended	monthly average	≤ 12 mg/L	all year	003
Solids, total suspended	monthly average	≤ 12 mg/L	all year	003
Solids, total suspended	daily maximum	≤ 24 mg/L	all year	003
Solids, total suspended	daily maximum	≤ 24 mg/L	all year	003
Solids, total suspended	daily maximum	≤ 24 mg/L	all year	003
Solids, total suspended	monthly average	≤ 2402 lb/d	all year	003
Solids, total suspended	monthly average	≤ 2402 lb/d	all year	003
Solids, total suspended	monthly average	≤ 2402 lb/d	all year	003
Solids, total suspended	daily maximum	≤ 4804 lb/d	all year	003
Solids, total suspended	daily maximum	≤ 4804 lb/d	all year	003
Solids, total suspended	daily maximum	≤ 4804 lb/d	all year	003
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	003
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	003
Nitrogen, total [as N]	daily maximum	report only (mg/L)	all year	003
Nitrogen, ammonia total [as N]	monthly average	≤ 1.5 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	monthly average	≤ 1.5 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	monthly average	≤ 1.5 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	monthly average	≤ 1.1 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	monthly average	≤ 1.1 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	monthly average	≤ 1.1 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	monthly average	≤ 3.9 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	monthly average	≤ 3.9 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	monthly average	≤ 3.9 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.2 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.2 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.2 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.1 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.1 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.1 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.4 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.4 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 4.4 mg/L	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	monthly average	≤ 300 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	monthly average	≤ 300 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	monthly average	≤ 300 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	monthly average	≤ 220 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	monthly average	≤ 220 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	monthly average	≤ 220 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	monthly average	≤ 781 lb/d	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	monthly average	≤ 781 lb/d	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	monthly average	≤ 781 lb/d	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 841 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 841 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 841 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 821 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 821 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 821 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 881 lb/d	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 881 lb/d	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	daily maximum	≤ 881 lb/d	Jan, Feb, Nov, Dec	003
Nitrogen, ammonia total [as N]	weekly average	≤ 3.8 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	weekly average	≤ 3.8 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	weekly average	≤ 3.8 mg/L	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	weekly average	≤ 2.8 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	weekly average	≤ 2.8 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	weekly average	≤ 2.8 mg/L	Jun–Aug	003
Nitrogen, ammonia total [as N]	weekly average	≤ 761 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	weekly average	≤ 761 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	weekly average	≤ 761 lb/d	Mar, Apr, May, Sep, Oct	003
Nitrogen, ammonia total [as N]	weekly average	≤ 560 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	weekly average	≤ 560 lb/d	Jun–Aug	003
Nitrogen, ammonia total [as N]	weekly average	≤ 560 lb/d	Jun–Aug	003
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	003
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	003
Phosphorus, total [as P]	monthly average	report only (mg/L)	all year	003
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	003
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	003
Phosphorus, total [as P]	daily maximum	report only (mg/L)	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	003
Chlorine, total residual	daily maximum	≤ .038 mg/L	all year	003
Chlorine, total residual	daily maximum	≤ .038 mg/L	all year	003
Chlorine, total residual	daily maximum	≤ .038 mg/L	all year	003
Coliform, fecal general	daily maximum	≤ 400 #/100mL	May–Oct	003
Coliform, fecal general	daily maximum	≤ 400 #/100mL	May–Oct	003
Coliform, fecal general	daily maximum	≤ 400 #/100mL	May–Oct	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 10 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 20 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 20 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 20 mg/L	all year	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 2002 lb/d	all year	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 2002 lb/d	all year	003
BOD, carbonaceous [5 day, 20 C]	monthly average	≤ 2002 lb/d	all year	003
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 4003 lb/d	all year	003
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 4003 lb/d	all year	003
BOD, carbonaceous [5 day, 20 C]	daily maximum	≤ 4003 lb/d	all year	003
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	004
Solids, total suspended	daily maximum	report only (mg/L)	all year	004
Coliform, fecal general	daily maximum	report only (#/100mL)	all year	004
Flow	monthly total	report only (#/mo)	all year	004
BOD, 5-day, 20 deg. C	daily maximum	report only (mg/L)	all year	005
Solids, total suspended	daily maximum	report only (mg/L)	all year	005
Coliform, fecal general	daily maximum	report only (#/100mL)	all year	005
Flow	monthly total	report only (#/mo)	all year	005
BOD, 5-day, 20 deg. C	monthly average	report only (mg/L)	all year	INF
Solids, total suspended	monthly average	report only (mg/L)	all year	INF
Flow, in conduit or thru treatment plant	monthly average	report only (MGD)	all year	INF
Flow, in conduit or thru treatment plant	daily maximum	report only (MGD)	all year	INF
Oil & Grease	daily maximum	report only (mg/L)	all year	INFL
Oil & Grease	daily maximum	report only (mg/L)	all year	INFL
Cyanide, total [as CN]	daily maximum	report only (ug/L)	all year	INFL
Cyanide, total [as CN]	daily maximum	report only (ug/L)	all year	INFL
Cyanide, free [amenable to chlorination]	daily maximum	report only (ug/L)	all year	INFL
Cyanide, free [amenable to chlorination]	daily maximum	report only (ug/L)	all year	INFL
Fluoride, total [as F]	daily maximum	report only (mg/L)	all year	INFL
Fluoride, total [as F]	daily maximum	report only (mg/L)	all year	INFL
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	INFL
Arsenic, total [as As]	daily maximum	report only (mg/L)	all year	INFL
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	INFL
Barium, total [as Ba]	daily maximum	report only (mg/L)	all year	INFL
Beryllium, total [as Be]	daily maximum	report only (mg/L)	all year	INFL
Beryllium, total [as Be]	daily maximum	report only (mg/L)	all year	INFL
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	INFL
Cadmium, total [as Cd]	daily maximum	report only (mg/L)	all year	INFL
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	INFL
Chromium, hexavalent [as Cr]	daily maximum	report only (mg/L)	all year	INFL
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	INFL
Chromium, total [as Cr]	daily maximum	report only (mg/L)	all year	INFL
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	INFL
Copper, total [as Cu]	daily maximum	report only (mg/L)	all year	INFL
Iron, total [as Fe]	daily maximum	report only (mg/L)	all year	INFL
Iron, total [as Fe]	daily maximum	report only (mg/L)	all year	INFL
Iron, dissolved [as Fe]	daily maximum	report only (mg/L)	all year	INFL
Iron, dissolved [as Fe]	daily maximum	report only (mg/L)	all year	INFL
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	INFL
Lead, total [as Pb]	daily maximum	report only (mg/L)	all year	INFL
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	INFL
Manganese, total [as Mn]	daily maximum	report only (mg/L)	all year	INFL
Thallium, total [as Tl]	daily maximum	report only (mg/L)	all year	INFL
Thallium, total [as Tl]	daily maximum	report only (mg/L)	all year	INFL
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	INFL
Nickel, total [as Ni]	daily maximum	report only (mg/L)	all year	INFL
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	INFL
Silver, total [as Ag]	daily maximum	report only (mg/L)	all year	INFL
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	INFL
Zinc, total [as Zn]	daily maximum	report only (mg/L)	all year	INFL
Antimony, total [as Sb]	daily maximum	report only (mg/L)	all year	INFL
Antimony, total [as Sb]	daily maximum	report only (mg/L)	all year	INFL
Selenium, total [as Se]	daily maximum	report only (mg/L)	all year	INFL
Selenium, total [as Se]	daily maximum	report only (mg/L)	all year	INFL
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	INFL
Phenolics, total recoverable	daily maximum	report only (mg/L)	all year	INFL
Mercury, total [as Hg]	daily maximum	report only (ng/L)	all year	INFL
Mercury, total [as Hg]	daily maximum	report only (ng/L)	all year	INFL

How strict are these limits?

Your permit document is the final word. As JSON: /api/v1/permits/IL0020788 · MCP: https://passage-data.com/mcp