Enter your ZIP code to see real EPA data about contaminants, violations, and safety concerns, explained in plain English.
Safety Grade
We compute an overall water quality grade based on violations and health risks, not just legal compliance.
Health Context
Every contaminant comes with plain-English health effects, who's most at risk, and what to do.
Violation History
See every time your water exceeded legal limits or missed required testing, up to 10 years back.
Recommendations
Get specific, actionable suggestions: a filter type, a test kit, or nothing at all.
About this data: ClearWater uses the EPA's Safe Drinking Water Information System (SDWIS). Data is for public water systems only; private wells are not included. Legal limits (MCLs) are minimum standards; some contaminants may still pose health risks below legal thresholds.
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Water systems near
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WATER DISTRICT 19
Vashon, WA · 3,723 people served · Surface Water
Data last updated: 2026-06-22
35 total violations on record. No currently active health-based violations.
Health-Based Violations
- Contaminant #2456: MCL (Resolved)
- Contaminant #0800: TT (Resolved)
- Contaminant #0200: TT (Resolved)
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WATER DISTRICT 19: Frequently Asked Questions
Is WATER DISTRICT 19 water safe to drink?
WATER DISTRICT 19 has had 1 health-based violation in the last 5 years. The system generally meets EPA standards. Review the violation history below for details.
What violations has WATER DISTRICT 19 had?
Recent health-based violations at WATER DISTRICT 19 include: Contaminant #2456, Contaminant #0800, Contaminant #0200. See the full violation history on this page for dates, status, and details.
Does WATER DISTRICT 19 water have lead?
Lead in drinking water typically comes from household plumbing, not from WATER DISTRICT 19's treatment plant. See the Lead & Copper section on this page for the most recent 90th-percentile lead test results. If your home was built before 1986, consider running cold water for 30 seconds before drinking and using an NSF/ANSI 53-certified filter.
Related water quality pages
Water Hardness
Hardness is not a health concern — it is a measure of dissolved calcium and magnesium.
Water pH Level
Estimated based on USGS water monitoring data for your state.
Source: USGS National Water Information System. EPA secondary standard for pH is 6.5–8.5. Contact your water utility for exact values.
Lead & Copper
What To Do
Violations
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