Water Quality in CORVALLIS, OR (97339)
EPA violation data for public water systems serving ZIP code 97339.
67
Total Violations
0
Health-Based
67
Monitoring / Reporting
65
Resolved
What does this mean?
65 of 67 violations have been resolved. None of these are health-based violations — no contaminant levels exceeded federal safety limits. The remaining 67 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 (67 total)
| Contaminant | Category | MCL Limit | Measured | Date | Status | Health Effects |
|---|---|---|---|---|---|---|
| Lead and Copper Rule | Monitoring | N/A | N/A | Jun 30, 2025 | Active | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| COLIPHAGE | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Lead and Copper Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Active | N/A |
| COLIPHAGE | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Dec 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Sep 30, 2024 | Resolved | N/A |
| COLIPHAGE | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| COLIPHAGE | Monitoring | N/A | N/A | Jul 31, 2024 | Resolved | N/A |
| Revised Total Coliform Rule | Monitoring | N/A | N/A | Jun 30, 2024 | Resolved | N/A |
Lead & Copper Levels
Violation Timeline
2025(1)
Lead and Copper Rule
51
2024(10)
Revised Total Coliform Rule
3A
COLIPHAGE
19
Lead and Copper Rule
51
COLIPHAGE
19
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
COLIPHAGE
19
COLIPHAGE
19
Revised Total Coliform Rule
3A
Revised Total Coliform Rule
3A
How Does This Compare?
CORVALLIS (97339) has 67 recorded violations, none of which are health-based. 2 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
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.