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Illinois · EPA ECHO (national)
TROY STP, CITY OF SSCS
Permit IL0031488
—
No waterway impact reported
Reported events
15
Total volume
6.9M gal
Reached waterways
0 (0%)
Reporting since
2024
What caused the overflows
Rainfall / Flooding
14
Equipment Failure
1
Reported overflow events (showing 15 of 15)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| Jul 21, 2025 | 575K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 19, 2025 | 518K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 588K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 670K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 198K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 405K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 99K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 126K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 108K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 90K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 5, 2025 | 108K gal | Rainfall / Flooding | — | Silver Creek |
| Apr 4, 2025 | 2.2M gal | Rainfall / Flooding | — | Silver Creek |
| Dec 4, 2024 | 40K gal | Equipment Failure | — | — |
| Nov 5, 2024 | 1.1M gal | Rainfall / Flooding | — | Silver Creek |
| Nov 5, 2024 | 69K gal | Rainfall / Flooding | — | Silver Creek |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.