Water Quality in Lummi Island, WA (98262)
EPA violation data for public water systems serving ZIP code 98262.
18
Total Violations
11
Health-Based
7
Monitoring / Reporting
17
Resolved
What does this mean?
17 of 18 violations have been resolved. 11 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 7 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 (18 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Surface Water Treatment Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Oct 31, 2023 | Resolved | N/A |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2023 | Resolved | N/A |
| Nitrate | Monitoring | N/A | N/A | Dec 31, 2021 | Resolved | Infants below the age of six months could become seriously ill (blue baby syndrome); shortness of breath |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Groundwater Rule | Health-Based | N/A | N/A | Dec 31, 2021 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
| Interim Enhanced Surface Water Treatment Rule | Health-Based | N/A | N/A | Oct 31, 2021 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(2)
Surface Water Treatment Rule
36
Consumer Confidence Rule
71
2024(1)
Consumer Confidence Rule
71
How Does This Compare?
Lummi Island (98262) has 18 recorded violations, including 11 health-based. 1 remains unresolved. 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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
Look for:NSF/ANSI 58 certified
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove.