ZIP Code 98250 Water Quality Report
Friday Harbor, WA · San Juan County County
Water Safety Grade
Good — Minor issues on record
Health Violations
13
Total Violations
19
Lead Risk
Moderate
Contaminants
1
Active Water Quality Issues Detected
EPA records show 16 unresolved violations. Contact Friday Harbor Town of for current status.
About Tap Water in ZIP Code 98250
Tap water in ZIP code 98250 (Friday Harbor, WA) meets all federal safety standards and earns a solid B grade (score: 70/100). Served by Friday Harbor Town of, the water system has maintained general compliance with EPA Safe Drinking Water Act regulations, with only minor issues on record.
Water System
Friday Harbor Town of
EPA ID: WA5326595
Water Source
Surface Water
Population Served
3,543 residents
County
San Juan County County, Washington
Lead Levels in ZIP 98250
EPA action level: 15 ppb | Public health goal: 0 ppb
Lead Level: 5.0 ppb — Very Low
Lead exposure risk in 98250 is rated Moderate. EPA models estimate a 42% probability of lead exposure risk in this ZIP code based on housing age, infrastructure age, and water system data. This may reflect a mix of older and newer housing stock and infrastructure. Families with young children should test their home's water and consider a certified NSF/ANSI 53 water filter.
EPA model estimate based on housing age and infrastructure
Violation History
Past 5 years — EPA SDWIS data
Friday Harbor Town of has recorded 13 health-based violations in the past 5 years — significantly above the national average. This volume of violations indicates serious and recurring compliance issues. Independent water testing and in-home filtration are strongly recommended. 16 violations are currently unresolved — meaning the issue has not yet been formally corrected in EPA records. This is a serious concern that residents should follow up on with their water utility.
Regulatory compliance risk is rated Critical — the highest risk category. Friday Harbor Town of has an extensive history of unresolved violations and enforcement actions. Independent water testing is highly recommended.
Contaminants Detected
Contaminants with health-based violations on record
EPA records identify 1 contaminant associated with health-based violations in ZIP code 98250: Haloacetic Acids (HAA5). These contaminants exceeded the Maximum Contaminant Levels (MCLs) established by the EPA under the Safe Drinking Water Act at some point in the 5-year monitoring period. The presence of these violations does not necessarily mean water is currently unsafe — water systems are often required to increase monitoring and treatment when violations occur. Review the annual Consumer Confidence Report for the most current status.
⚖ Enforcement Actions
Water Source & Environmental Factors
Surface Water
This system draws water from lakes, rivers, or reservoirs. Surface water is treated to remove sediment, microorganisms, and chemical contaminants before reaching taps.
Lower potential
Estimated annual flood-related costs per property
% of household income spent on energy — indicator of older infrastructure
EPA Radon Zone 3 — lower radon potential, though the EPA still recommends testing all homes.
🛡 What Should You Do? — ZIP 98250 Recommendations
Your water quality is good
- ✓ Run cold water for 30 seconds each morning before use — especially if pipes are old
- ✓ Request your annual Consumer Confidence Report from Friday Harbor Town of
- ✓ If your home was built before 1986, consider testing your own tap for lead
- ✓ Use a pitcher filter (NSF/ANSI 42 certified) for improved taste
Frequently Asked Questions — ZIP 98250 Water Quality
Is tap water safe to drink in ZIP code 98250?+
What is the lead level in 98250 tap water?+
Who provides tap water to 98250?+
What is the water source for 98250?+
Does 98250 have any active water quality violations?+
How do I get a copy of my water quality report for 98250?+
What water filter should I use in 98250?+
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Data Sources & Methodology
Water quality data for ZIP code 98250 is compiled from the EPA Safe Drinking Water Information System (SDWIS), EPA ECHO enforcement database, UCMR5 unregulated contaminant monitoring, and Consumer Confidence Reports filed by Friday Harbor Town of. Safety scores are composite metrics derived from violation history, lead levels, enforcement actions, and infrastructure risk indicators. Data reflects a 5-year monitoring window. Last dataset update: 2024. View EPA source data →