All rankings
NN · EPA ECHO (national)
WINDOW ROCK Collection System
Permit NN0021555
—
No waterway impact reported
Reported events
18
Total volume
18.8M gal
Reached waterways
0 (0%)
Reporting since
2024
What caused the overflows
Root Intrusion
6
Equipment Failure
6
Rainfall / Flooding
4
Other / Unknown
2
Reported overflow events (showing 18 of 18)
| Date | Volume | Cause | Reached water | Receiving water |
|---|---|---|---|---|
| May 22, 2026 | 50 gal | Root Intrusion | — | — |
| Apr 21, 2026 | 50 gal | Root Intrusion | — | — |
| Mar 6, 2026 | 15 gal | Equipment Failure | — | — |
| Sep 28, 2025 | 415K gal | Rainfall / Flooding | — | — |
| Aug 26, 2025 | 250K gal | Rainfall / Flooding | — | Black Creek wash however it was bypassed into lago |
| Aug 26, 2025 | 350K gal | Rainfall / Flooding | — | BLACK CREEK WASH, BYPASSED DIVERTED TO LAGOON |
| Jun 10, 2025 | 500 gal | Root Intrusion | — | — |
| Feb 16, 2025 | 500 gal | Root Intrusion | — | — |
| Jan 19, 2025 | 15.6M gal | Equipment Failure | — | — |
| Jan 13, 2025 | 300K gal | Equipment Failure | — | Black Creek wash however it was bypassed into lago |
| Jan 1, 2025 | 420K gal | Equipment Failure | — | by passed into emergency lagoon. |
| Aug 11, 2024 | 720K gal | Equipment Failure | — | Black Creek wash however it was bypassed into lago |
| Aug 8, 2024 | 15K gal | Rainfall / Flooding | — | Black Creek wash however it was bypassed into lago |
| Jul 30, 2024 | 10 gal | Root Intrusion | — | — |
| Jul 29, 2024 | 499 gal | Equipment Failure | — | — |
| Jun 24, 2024 | 300K gal | Other / Unknown | — | Black Creek wash. |
| May 14, 2024 | 100 gal | Root Intrusion | — | — |
| May 7, 2024 | 450K gal | Other / Unknown | — | — |
Source: EPA ECHO (national). Volumes are utility-reported estimates. Some events lack precise coordinates or volumes.