NPDES permit IL0002241 · Major NON-POTW · administratively continued, expires 2026-08-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2026-08-31 and is administratively continued: its last limits keep applying until a new permit is issued, and EPA still expects the reports.
Last period with anything received: 2026-07-31. Most often over: Solids, total suspended (1).
Reports are due about 25 days after each monitoring period ends (read off this permit's own late-day counts in EPA's filings).
| Outfall | Parameter | Statistic | Limit | Months |
|---|---|---|---|---|
| 001 | Temperature, water deg. fahrenheit | DAILY AV | <= 99 deg F | all year |
| 001 | Temperature, water deg. fahrenheit | DAILY MX | <= 111 deg F | all year |
| 001 | pH | MO MIN | >= 6.5 SU | all year |
| 001 | pH | MO MAX | <= 9 SU | all year |
| 001 | Temperature, length of excursion | MO MAX | report only | all year |
| 001 | Temperature, length of excursion | TOTAL | <= 613 hr/12mo | 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 | <= .05 mg/L | all year |
| B01 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| B01 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| B01 | Oil and grease | 30DA AVG | <= 15 mg/L | all year |
| B01 | Oil and grease | DAILY MX | <= 20 mg/L | 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 |
| C01 | BOD, 5-day, 20 deg. C | 30DA AVG | <= 30 mg/L | all year |
| C01 | BOD, 5-day, 20 deg. C | DAILY MX | <= 60 mg/L | all year |
| C01 | Solids, total suspended | 30DA AVG | <= 30 mg/L | all year |
| C01 | Solids, total suspended | DAILY MX | <= 60 mg/L | all year |
| C01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| C01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| C01 | Chlorine, total residual | DAILY MX | <= .05 mg/L | all year |
| C01 | Coliform, fecal general | DAILY MX | report only | all year |
| D01 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| D01 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| D01 | Oil and grease | 30DA AVG | <= 15 mg/L | all year |
| D01 | Oil and grease | DAILY MX | <= 20 mg/L | all year |
| D01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| D01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| E01 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| E01 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| E01 | Oil and grease | 30DA AVG | <= 15 mg/L | all year |
| E01 | Oil and grease | DAILY MX | <= 20 mg/L | all year |
| E01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| E01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| F01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| F01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| H01 | Solids, total suspended | 30DA AVG | <= 30 mg/L | all year |
| H01 | Solids, total suspended | DAILY MX | <= 100 mg/L | all year |
| H01 | Copper, total [as Cu] | 30DA AVG | <= 1 mg/L | all year |
| H01 | Copper, total [as Cu] | DAILY MX | <= 1 mg/L | all year |
| H01 | Iron, total [as Fe] | 30DA AVG | <= 1 mg/L | all year |
| H01 | Iron, total [as Fe] | DAILY MX | <= 1 mg/L | all year |
| H01 | Oil and grease | 30DA AVG | <= 15 mg/L | all year |
| H01 | Oil and grease | DAILY MX | <= 20 mg/L | all year |
| H01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| H01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| I01 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| I01 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| I01 | Oil and grease | 30DA AVG | <= 15 mg/L | all year |
| I01 | Oil and grease | DAILY MX | <= 20 mg/L | all year |
| I01 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| I01 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
Built from EPA's ECHO bulk files. EPA's file, not the permit document, is the source: read your permit. Check a report before you file it · All states