Water Quality in Clarkston, WA (99401)
EPA violation data for public water systems serving ZIP code 99401.
No Health-Based Violations
None of the 5 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are3 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 43% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
163
Population
5
Water Systems
3
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (5)
Pud #1 Of Asotin County
Puffer Butte Group Camp
Blue Mountain Homesites
All resolvedBoggans Oasis
Teds Timberline Cafe
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
How Does This Compare?
Clarkston (99401) has more violations than 43% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 3, 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.