NPDES permit IL0068403 · Minor NON-POTW · effective, expires 2027-09-30 · EPA's file as of 2026-09-19
Check this month's numbers before you fileSign-ups are not open yet. We counted that someone asked — not who, and not which permit — and we open them once enough people do. The check stays free.
Last period with anything received: 2026-07-31.
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 | pH | MO MIN | >= 6 SU | all year |
| 001 | pH | MO MAX | <= 9 SU | all year |
| 001 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| 001 | Solids, total suspended | DAILY MX | <= 30 mg/L | all year |
| 001 | Oil & Grease | 30DA AVG | <= 15 mg/L | all year |
| 001 | Oil & Grease | DAILY MX | <= 30 mg/L | all year |
| 001 | Iron, total [as Fe] | 30DA AVG | <= 2 mg/L | all year |
| 001 | Iron, total [as Fe] | DAILY MX | <= 4 mg/L | all year |
| 001 | Benzene, ethylbenzene, toluene, xylene combination | DAILY MX | <= .75 mg/L | Dec |
| 001 | Toluene | 30DA AVG | <= .6 mg/L | Dec |
| 001 | Toluene | DAILY MX | <= .75 mg/L | Dec |
| 001 | Benzene | DAILY MX | <= .05 mg/L | Dec |
| 001 | Ethylbenzene | 30DA AVG | <= .014 mg/L | Dec |
| 001 | Ethylbenzene | DAILY MX | <= .15 mg/L | Dec |
| 001 | Priority Pollutants | DAILY MX | <= .1 mg/L | Dec |
| 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 | Xylene [mix of m+o+p] | 30DA AVG | <= .11 mg/L | Dec |
| 001 | Xylene [mix of m+o+p] | DAILY MX | <= .75 mg/L | Dec |
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