B67/100
Bow Tap Water Quality: Is It Safe to Drink? (2026 Report)
Serving 2,497 residents · Washington
What's In Bow's Tap Water?
1
Contaminants Tested
0
Exceed EPA Limits
1
Above EPA Goals
1 contaminant above EPA health goals
| Contaminant | Detected | Limit (MCL) | Status |
|---|---|---|---|
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 1996.
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
BLANCHARD EDISON WATER ASSN. INC.
Population Served
1,480
Water Source
Groundwater
System ID
WA5307450
SAMISH FARMS WATER ASSN
Population Served
1,017
Water Source
Purchased Surface Water
System ID
WA5375645
Frequently Asked Questions About Bow Water
Is Bow tap water safe to drink?
Bow, Washington tap water receives a grade of B (67/100), which is considered good. Out of 1 contaminants tested, none exceed EPA maximum contaminant levels (MCLs) and 1 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 Bow's water?
Of the 1 contaminants tested in Bow's water supply, the most notable include Lead (90th percentile). No contaminants exceed EPA legal limits. 1 contaminant(s) exceed EPA health goals (MCLGs), which are non-enforceable targets set at levels with no known health risk.
Does Bow have any water quality violations?
Yes, Bow has 31 EPA violation(s) on record, with the most recent in 2023. Violation types include MON, MR, MCL. 7 of these are health-based violations, which are the most serious category.
Do I need a water filter in Bow?
Bow water meets EPA standards, so a filter is not strictly necessary. However, some residents prefer the added security of a water filter. EPA health goals (MCLGs) are stricter than legal limits and are set at levels with zero expected health risk. 1 contaminant(s) exceed these stricter goals.
Where does Bow's tap water come from?
Bow's drinking water is sourced from groundwater and supplied by BLANCHARD EDISON WATER ASSN. INC. and 1 other water system(s). The system serves approximately 2,497 people. Groundwater is pumped from underground aquifers, which often provides natural filtration.
How often is Bow'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. Bow'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 Bow's water compare to other cities in Washington?
Bow's water quality score of 67/100 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 Bow's water quality?
If you have concerns about Bow'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 (BLANCHARD EDISON WATER ASSN. INC.) 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.