Water Quality in Arlington, WA (98223)
EPA violation data for public water systems serving ZIP code 98223.
83
Total Violations
2
Health-Based
81
Monitoring / Reporting
77
Resolved
What does this mean?
77 of 83 violations have been resolved. 2 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 81 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 (83 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Lead and Copper Rule | Monitoring | N/A | N/A | Sep 28, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Aug 31, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Chlorine | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | Eye and nose irritation; stomach discomfort |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jul 31, 2025 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Jul 30, 2025 | Active | N/A |
| Arsenic | Health-Based | N/A | 0.013 | Jun 30, 2025 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
| Consumer Confidence Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Mar 31, 2025 | Resolved | N/A |
| Arsenic | Health-Based | N/A | 0.015 | Mar 31, 2025 | Resolved | Skin damage; circulatory system problems; increased risk of cancer |
Lead & Copper Levels
Violation Timeline
2025(19)
Lead and Copper Rule
66
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Chlorine
27
Revised Total Coliform Rule
4B
Lead and Copper Rule
66
Arsenic
02
Consumer Confidence Rule
71
Lead and Copper Rule
66
Arsenic
02
Chlorine
27
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
Chlorine
27
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
4B
Chlorine
27
Revised Total Coliform Rule
3A
Lead and Copper Rule
66
2024(12)
Revised Total Coliform Rule
4B
Total Haloacetic Acids (HAA5)
27
TTHM
27
Revised Total Coliform Rule
4B
Chlorine
27
Chlorine
27
Revised Total Coliform Rule
4B
Revised Total Coliform Rule
3A
Consumer Confidence Rule
71
Consumer Confidence Rule
71
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
Arlington (98223) has 83 recorded violations, including 2 health-based. 6 remain 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
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
Activated Carbon Filter
Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.
Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor
Look for:NSF/ANSI 42 & 53 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.