Water Quality in Dayton, WA (99328)
EPA violation data for public water systems serving ZIP code 99328.
No Health-Based Violations
None of the 13 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are5 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 53% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
3,646
Population
13
Water Systems
5
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (13)
Dayton Water Department
Bluewood Ski Area
All resolvedFields Spring State Park
Palouse Falls State Park
Lewis & Clark Trail State Park
Camp Wooten State Park
Little Goose Dam
Moms Cafe
River View Trailer Court
Valley View Trailer Court
Tucannon River Retreat
Shangri-La Ranch Park
All resolvedTucannon Fireside Inn
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2022
How Does This Compare?
Dayton (99328) has more violations than 53% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 5, most of which are monitoring/reporting issues.
Water Filter Recommendations
No contaminant issues detected. For general protection, a basic carbon filter removes common impurities like chlorine and sediment. Look for NSF/ANSI 42 certified products.