NPDES permit IL0070343 · Minor NON-POTW · administratively continued, expires 2026-01-31 · EPA's file as of 2026-09-19
Check this month's numbers before you fileThis permit expired on 2026-01-31 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.
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 | >= 6.5 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 | Chloride [as Cl] | DAILY MX | report only | 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 | 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 |
| 002 | Temperature, water deg. fahrenheit | MO MAX | <= 63 deg F | Jan, Feb, Mar, Dec |
| 002 | Temperature, water deg. fahrenheit | MO MAX | <= 93 deg F | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| 002 | pH | MO MIN | >= 6.5 SU | all year |
| 002 | pH | MO MAX | <= 9 SU | all year |
| 002 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.9 mg/L | Jan, Feb, Nov, Dec |
| 002 | Nitrogen, ammonia total [as N] | 30DA AVG | <= .9 mg/L | Jun, Jul, Aug |
| 002 | Nitrogen, ammonia total [as N] | 30DA AVG | <= 1.3 mg/L | Mar, Apr, May, Sep, Oct |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 4.7 mg/L | Jan, Feb, Nov, Dec |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 8.4 mg/L | Jun, Jul, Aug |
| 002 | Nitrogen, ammonia total [as N] | DAILY MX | <= 4.7 mg/L | Mar, Apr, May, Sep, Oct |
| 002 | Nitrogen, ammonia total [as N] | 7 DA AVG | <= 2.3 mg/L | Jun, Jul, Aug |
| 002 | Nitrogen, ammonia total [as N] | 7 DA AVG | <= 3.3 mg/L | Mar, Apr, May, Sep, Oct |
| 002 | Nitrogen, ammonia total [as N] | 7 DA AVG | <= 4.8 mg/L | Jan, Feb, Nov, Dec |
| 002 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 002 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 003 | pH | MO MIN | >= 6.5 SU | all year |
| 003 | pH | MO MAX | <= 9 SU | all year |
| 003 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| 003 | Solids, total suspended | DAILY MX | <= 23 mg/L | all year |
| 003 | Nitrogen, ammonia total [as N] | DAILY MX | <= 12.1 mg/L | Jun, Jul, Aug |
| 003 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.4 mg/L | Jan, Feb, Nov, Dec |
| 003 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.8 mg/L | Mar, Apr, May, Sep, Oct |
| 003 | Cyanide, total [as CN] | QB | report only | Jan, Apr, Jul, Oct |
| 003 | Chloride [as Cl] | DAILY MX | <= 500 mg/L | all year |
| 003 | Oil and grease | 30DA AVG | <= 10 mg/L | all year |
| 003 | Oil and grease | DAILY MX | <= 15 mg/L | all year |
| 003 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 003 | Flow, in conduit or thru treatment plant | DAILY MX | report only | all year |
| 004 | pH | MO MIN | >= 6.5 SU | all year |
| 004 | pH | MO MAX | <= 9 SU | all year |
| 004 | Solids, total suspended | 30DA AVG | <= 15 mg/L | all year |
| 004 | Solids, total suspended | DAILY MX | <= 23 mg/L | all year |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.4 mg/L | Jan, Feb, Nov, Dec |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 12.1 mg/L | Jun, Jul, Aug |
| 004 | Nitrogen, ammonia total [as N] | DAILY MX | <= 5.8 mg/L | Mar, Apr, May, Sep, Oct |
| 004 | Cyanide, total [as CN] | QB | report only | Jan, Apr, Jul, Oct |
| 004 | Chloride [as Cl] | DAILY MX | <= 500 mg/L | all year |
| 004 | Oil and grease | 30DA AVG | <= 10 mg/L | all year |
| 004 | Oil and grease | DAILY MX | <= 15 mg/L | all year |
| 004 | Flow, in conduit or thru treatment plant | MO AVG | report only | all year |
| 004 | 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