Water Quality in Norcross, MN (56274)
EPA violation data for public water systems serving ZIP code 56274.
29
Total Violations
27
Health-Based
2
Monitoring / Reporting
29
Resolved
What does this mean?
29 of 29 violations have been resolved. 27 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 2 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.
Violations Detail (29 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Jul 1, 2025 | Resolved | N/A |
| LEAD AND COPPER RULE REVISIONS | Monitoring | N/A | N/A | Jul 1, 2025 | Resolved | N/A |
| Arsenic | Health-Based | N/A | 0.00675 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.00675 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.00675 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.00675 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.00675 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.00675 | Sep 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.00775 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Arsenic | Health-Based | N/A | 0.00775 | Jun 30, 2022 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
Violation Timeline
2025(2)
LEAD AND COPPER RULE REVISIONS
4H
LEAD AND COPPER RULE REVISIONS
4H
2022(11)
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
Arsenic
02
How Does This Compare?
Norcross (56274) has 29 recorded violations, including 27 health-based. All violations have been resolved, which is a positive sign for current water quality. Consider testing your tap water independently for added peace of mind.
Recommended Water Filters
Based on the contaminants detected in your area, these filter types may help improve your water quality.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.