Passage Data · Check a report · Use it from your AI
Sewage treatment plant, major discharger, Chicago, Illinois. NPDES permit IL0028061 expired Jul 31, 2022; its limits still apply. Last 12 months: no values over a limit, 1 of 46 reports late. Source: EPA ECHO, Oct 22, 2026.
| Parameter | Statistic | Limit | Months | Outfall |
|---|---|---|---|---|
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 4 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | minimum weekly average | ≥ 4 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 | ≥ 3.5 mg/L | Jan, Feb, Aug, Sep, Oct, Nov, Dec | 001 |
| Oxygen, dissolved [DO] | daily minimum | ≥ 3.5 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 | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 15 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 25 mg/L | all year | 001 |
| Solids, total suspended | weekly average | ≤ 25 mg/L | all year | 001 |
| Solids, total suspended | monthly average | ≤ 53793 lb/d | all year | 001 |
| Solids, total suspended | monthly average | ≤ 53793 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 89655 lb/d | all year | 001 |
| Solids, total suspended | weekly average | ≤ 89655 lb/d | all year | 001 |
| Oil & Grease | daily maximum | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, total [as N] | monthly average | report only (mg/L) | all year | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 2.5 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 4 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 5 mg/L | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 8 mg/L | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8966 lb/d | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 8966 lb/d | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 14345 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | monthly average | ≤ 14345 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 17931 lb/d | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 17931 lb/d | Apr–Oct | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 28690 lb/d | Jan, Feb, Mar, Nov, Dec | 001 |
| Nitrogen, ammonia total [as N] | daily maximum | ≤ 28690 lb/d | Jan, Feb, Mar, Nov, Dec | 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 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 001 |
| Carbon, tot organic [TOC] | monthly average | report only (mg/L) | all year | 001 |
| Carbon, tot organic [TOC] | weekly average | report only (mg/L) | all year | 001 |
| Carbon, tot organic [TOC] | weekly average | report only (mg/L) | all year | 001 |
| Cyanide, total [as CN] | monthly average | ≤ .15 mg/L | all year | 001 |
| Cyanide, total [as CN] | monthly average | ≤ .15 mg/L | all year | 001 |
| Cyanide, total [as CN] | daily maximum | ≤ .3 mg/L | all year | 001 |
| Cyanide, total [as CN] | daily maximum | ≤ .3 mg/L | all year | 001 |
| Cyanide, total [as CN] | daily maximum | report only (ug/L) | all year | 001 |
| Cyanide, total [as CN] | monthly average | ≤ 538 lb/d | all year | 001 |
| Cyanide, total [as CN] | monthly average | ≤ 538 lb/d | all year | 001 |
| Cyanide, total [as CN] | daily maximum | ≤ 1076 lb/d | all year | 001 |
| Cyanide, total [as CN] | daily maximum | ≤ 1076 lb/d | all year | 001 |
| Cyanide, free [amenable to chlorination] | daily maximum | report only (ug/L) | all year | 001 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 001 |
| Hardness, total [as CaCO3] | 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 |
| 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 |
| 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 |
| 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, 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| Coliform, fecal - % samples exceeding limit | maximum | ≤ 10 % | Mar–Nov | 001 |
| Coliform, fecal - % samples exceeding limit | maximum | ≤ 10 % | Mar–Nov | 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 | report only (mg/L) | all year | 001 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 001 |
| Mercury, total [as Hg] | daily maximum | report only (ng/L) | all year | 001 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | Mar–Nov | 001 |
| Coliform, fecal general | geometric mean | ≤ 200 #/100mL | Mar–Nov | 001 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | Mar–Nov | 001 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | Mar–Nov | 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] | weekly average | ≤ 20 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 20 mg/L | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 35862 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | monthly average | ≤ 35862 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 71724 lb/d | all year | 001 |
| BOD, carbonaceous [5 day, 20 C] | weekly average | ≤ 71724 lb/d | all year | 001 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 151 |
| pH | minimum | ≥ 6 SU | all year | 151 |
| pH | maximum | ≤ 9 SU | all year | 151 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 151 |
| Hardness, total [as CaCO3] | daily maximum | report only (mg/L) | all year | 151 |
| Cadmium, total [as Cd] | daily maximum | report only (mg/L) | all year | 151 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 151 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 151 |
| Flow, total | monthly total | report only (Mgal/mo) | all year | 151 |
| BOD, 5-day, 20 deg. C | daily maximum | report only (mg/L) | all year | 152 |
| Solids, total suspended | daily maximum | report only (mg/L) | all year | 152 |
| Chlorine, total residual | daily maximum | report only (mg/L) | all year | 152 |
| Coliform, fecal general | daily maximum | report only (#/100mL) | all year | 152 |
| BOD, 5-day, 20 deg. C | monthly average | report only (mg/L) | all year | INF |
| 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 |
| Solids, total suspended | monthly average | report only (mg/L) | all year | INF |
| Carbon, tot organic [TOC] | daily maximum | report only (mg/L) | all year | INF |
| Carbon, tot organic [TOC] | daily maximum | 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 | monthly average | report only (MGD) | all year | INF |
| Flow, in conduit or thru treatment plant | daily maximum | 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 |
| 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 |
| 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 |
| 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 |
| 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, 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
| 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 |
Cited limits by parameter: Illinois's rules and the federal ones.
· Save this facility as a site · Superfund sites nearby · Your permits on one board
On EPA ECHO: Facility report · DMR history
Your permit document is the final word. As JSON: /api/v1/permits/IL0028061 · MCP: https://passage-data.com/mcp