Grand Island, City Of
NE3107902 · Groundwater · 51,478 people served system-wide
The system names this served city; Census place overlap links the city to this ZCTA.
No active health-based record in this imported snapshot
Find this utility’s official report →Measurements (3)
An action level is a regulatory trigger, not a pass/fail health boundary. A reported zero is the value in the source record and does not establish that lead is absent at your tap.
Lead (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 0.002 mg/L
- Action level
- 0.015 mg/L
13% of the listed benchmark
Monitoring period: Jan 1, 2023 to Dec 31, 2025
Copper (90th percentile)
EPA SDWIS Lead and Copper Rule samples
- Reported level
- 3.67 mg/L
- Action level
- 1.3 mg/L
282% of the listed benchmark
Monitoring period: Jan 1, 1999 to Dec 31, 2001
Combined Uranium
EPA SDWIS reported health-based violation
- Reported level
- 32 UG/L
- Maximum contaminant level
- 30 UG/L
107% of the listed benchmark
Monitoring period: Oct 1, 2025 to Dec 31, 2025
Violation history (2)
| Rule | Status | Period |
|---|---|---|
| Combined UraniumHealth-based | Archived | Oct 1, 2025 to Dec 31, 2025 |
| Combined UraniumHealth-based | Archived | Jul 1, 2025 to Sep 30, 2025 |