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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WALLACE FALLS STATE PARK
Issaquah, WA · 759 people served · Groundwater Purchased
Data last updated: 2026-06-21
2 total violations on record. No currently active health-based violations.
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WALLACE FALLS STATE PARK: Frequently Asked Questions
Is WALLACE FALLS STATE PARK water safe to drink?
WALLACE FALLS STATE PARK currently has no active health-based violations and has met all EPA standards in recent years. While this indicates good water quality compliance, you may still want to consider filtering your water, especially if your home has older plumbing that may contain lead.
What violations has WALLACE FALLS STATE PARK had?
WALLACE FALLS STATE PARK has 2 total violations on record, but none are currently active health-based violations.
Does WALLACE FALLS STATE PARK water have lead?
Lead in drinking water typically comes from household plumbing, not from WALLACE FALLS STATE PARK'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
Estimated based on USGS geological survey data for your county.
Source: USGS National Water Information System. Hardness is not a health concern. It's a measure of dissolved calcium and magnesium. Contact your water utility for exact values.
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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