Water Quality in Chewelah, WA (99109)
EPA violation data for public water systems serving ZIP code 99109.
No Health-Based Violations
None of the 4 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.
4,981
Population
4
Water Systems
5
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (4)
Chewelah Water Dept South
All resolvedChewelah Water Dept North
All resolvedDominion View Water Assn
Tramway Water Assn
Contaminants Found
Annual water quality report delivery requirement.
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?
Chewelah (99109) 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.