B73/100
North Bonneville Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 1,048 residents · Washington
What's In North Bonneville'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) | 1.40 mg/L | 1.30 mg/L | Over Limit |
Lead (90th percentile) | 0.003 mg/L | 0.015 mg/L | Above Goal |
EPA Violation History
No violations in the past 5 years
Full EPA compliance since 2018.
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
NORTH BONNEVILLE CITY OF
Population Served
1,048
Water Source
Groundwater
System ID
WA5360150
Frequently Asked Questions About North Bonneville Water
Is North Bonneville tap water safe to drink?
North Bonneville, Washington tap water receives a grade of B (73/100), which is considered good. Out of 2 contaminants tested, 1 exceed EPA maximum contaminant levels (MCLs) and 2 exceed health guidelines (MCLGs). While the water meets federal standards, some residents may still choose to use a filter for additional peace of mind.
What contaminants are in North Bonneville's water?
Of the 2 contaminants tested in North Bonneville'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 North Bonneville have any water quality violations?
Yes, North Bonneville has 16 EPA violation(s) on record, with the most recent in 2018. Violation types include Other, MR. None of these are classified as health-based violations.
Do I need a water filter in North Bonneville?
Based on EPA data, using a water filter in North Bonneville 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 North Bonneville's tap water come from?
North Bonneville's drinking water is sourced from groundwater and supplied by NORTH BONNEVILLE CITY OF. The system serves approximately 1,048 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is North Bonneville'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. North Bonneville'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 North Bonneville's water compare to other cities in Washington?
North Bonneville's water quality score of 73/100 earns a grade of B, which is considered good. This is an above-average score compared to many cities nationwide. Visit our Washington state page to see how all cities in the state compare.
What should I do if I'm concerned about North Bonneville's water quality?
If you have concerns about North Bonneville'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 (NORTH BONNEVILLE CITY OF) 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.