Lead in Oregon Drinking Water — 216 ZIPs Tested
EPA data analysis for lead in Oregon drinking water systems
ZipCheckup tracks Lead in Oregon drinking water: 216 ZIP codes with detected levels on record. 76 ZIP codes exceed the EPA limit (15 ppb (action level)). Lead carries a high health-risk designation.
Lead Contamination in Oregon
ZipCheckup analyzed drinking water data across 240 ZIP codes in Oregon for lead contamination. 216 ZIP codes have reported lead detections, and 76 have EPA violations on record.
The violation rate for lead in Oregon is 31.7% of all ZIP codes — higher than the national average.
EPA Standard for Lead
The EPA maximum contaminant level (MCL) for lead is 15 ppb (action level), governed by the Lead and Copper Rule (LCRR/LCRI). Water systems that exceed this limit must take corrective action and notify consumers.
Worst ZIP Codes for Lead in Oregon
These ZIP codes reported the highest lead levels in Oregon based on CCR reports and EPA data:
Lowest Lead Levels in Oregon
These ZIP codes had the lowest reported lead detections in Oregon:
Health Effects of Lead
Lead is a potent neurotoxin with no safe level of exposure. In children, lead causes developmental delays, reduced IQ, and behavioral problems. In adults, it causes high blood pressure, kidney damage, and cardiovascular effects. Pregnant women face increased risk of premature birth.
How to Remove Lead From Drinking Water
The most effective treatment for lead removal is Reverse Osmosis or NSF 53 Carbon Block. Look for filters certified under NSF 53 / NSF 58 standards.
Check Your ZIP Code
Use the ZipCheckup water quality search to see lead data for your specific water system in Oregon.
Worst ZIP Codes for Lead in Oregon
Ranked by highest lead detection level.
| Rank | ZIP Code | City | Level Detected | EPA Limit | Status |
|---|---|---|---|---|---|
| 1 | 97330 | Corvallis | 23 ppb | 15 ppb | Exceeds |
| 2 | 97009 | Boring | 13 ppb | 15 ppb | Within Limit |
| 3 | 97055 | Sandy | 13 ppb | 15 ppb | Within Limit |
| 4 | 97444 | Gold Beach | 10 ppb | 15 ppb | Within Limit |
| 5 | 97465 | Port Orford | 10 ppb | 15 ppb | Within Limit |
| 6 | 97002 | Aurora | 8 ppb | 15 ppb | Within Limit |
| 7 | 97013 | Canby | 8 ppb | 15 ppb | Within Limit |
| 8 | 97062 | Tualatin | 8 ppb | 15 ppb | Within Limit |
| 9 | 97067 | Welches | 8 ppb | 15 ppb | Within Limit |
| 10 | 97070 | Wilsonville | 8 ppb | 15 ppb | Within Limit |
| 11 | 97140 | Sherwood | 8 ppb | 15 ppb | Within Limit |
| 12 | 97424 | Cottage Grove | 8 ppb | 15 ppb | Within Limit |
| 13 | 97426 | Creswell | 8 ppb | 15 ppb | Within Limit |
| 14 | 97434 | Dorena | 8 ppb | 15 ppb | Within Limit |
| 15 | 97024 | Fairview | 7 ppb | 15 ppb | Within Limit |
| 16 | 97060 | Troutdale | 7 ppb | 15 ppb | Within Limit |
| 17 | 97107 | Bay City | 7 ppb | 15 ppb | Within Limit |
| 18 | 97118 | Garibaldi | 7 ppb | 15 ppb | Within Limit |
| 19 | 97131 | Nehalem | 7 ppb | 15 ppb | Within Limit |
| 20 | 97136 | Rockaway Beach | 7 ppb | 15 ppb | Within Limit |
Lowest Lead Levels in Oregon
Cities with Lead Data in Oregon
86 cities in Oregon have lead testing data available.
+ 66 more cities