D27/100
Harbor Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 3,150 residents · Oregon
What's In Harbor's Tap Water?
2
Contaminants Tested
1
Exceed EPA Limits
1
Above EPA Goals
2 contaminants above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
Copper (90th percentile) | 1.36 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.006 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
1
Violation (last 5yr)
0
Unresolved
0
Health-Related
TIER 3Resolved
Surface water treatment technique failure
When: July 1, 2023 – July 19, 2023Enforcement: Resolving — corrective action underway
Understanding violation severity
Tier 1Urgent health risk. Utility must notify all customers within 24 hours.Tier 2Important health or treatment issue. Customers notified within 30 days.Tier 3Administrative or monitoring issue. Reported in the annual water quality report.
Source: EPA Safe Drinking Water Information System (SDWIS) · Updated quarterly
Water Utility Details
HARBOR WATER PUD
Population Served
3,150
Water Source
Groundwater
System ID
OR4100150
Frequently Asked Questions About Harbor Water
Is Harbor tap water safe to drink?
Harbor, Oregon tap water receives a grade of D (27/100), which is considered poor. 1 contaminant(s) exceed EPA maximum contaminant levels and 50 violation(s) are on record. Residents should consider using an NSF-certified water filter to reduce contaminant exposure.
What contaminants are in Harbor's water?
Of the 2 contaminants tested in Harbor's water supply, the most notable include Copper (90th percentile), Lead (90th percentile). 1 contaminant(s) exceed EPA legal limits (MCLs). 2 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Harbor have any water quality violations?
Yes, Harbor has 50 EPA violation(s) on record, with the most recent in 2023. Violation types include Other, MON, MR. 3 of these are health-based violations, which are the most serious category.
Do I need a water filter in Harbor?
Based on EPA data, using a water filter in Harbor is recommended. 1 contaminant(s) exceed legal limits. An NSF-certified filter — such as a reverse osmosis or activated carbon system — can effectively reduce many common contaminants. Choose a filter certified to remove the specific contaminants found in your area.
Where does Harbor's tap water come from?
Harbor's drinking water is sourced from groundwater and supplied by HARBOR WATER PUD. The system serves approximately 3,150 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Harbor's water tested?
Under the Safe Drinking Water Act (SDWA), water utilities are required to regularly test for over 90 contaminants. Testing frequency varies by contaminant — some are tested monthly, others quarterly or annually. Harbor's water systems must report results to the EPA and publish an annual Consumer Confidence Report (CCR). The data on this page reflects the latest available EPA testing data.
How does Harbor's water compare to other cities in Oregon?
Harbor's water quality score of 27/100 earns a grade of D, which is considered poor. This is a concerning score that suggests significant water quality issues. Visit our Oregon state page to see how all cities in the state compare.
What should I do if I'm concerned about Harbor's water quality?
If you have concerns about Harbor's tap water, consider these steps: (1) Request your utility's annual Consumer Confidence Report for detailed local data. (2) Get your water independently tested through a state-certified laboratory. (3) Consider an NSF-certified water filter rated for the contaminants found in your area. (4) Contact your water utility (HARBOR WATER PUD) with specific questions. (5) Report water quality issues to your state drinking water program or the EPA Safe Drinking Water Hotline at 800-426-4791.