Water Quality in Clarkston, WA (99403)
EPA violation data for public water systems serving ZIP code 99403.
Active Health Violations
1 health-based violation found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 65% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
20,760
Population
19
Water Systems
9
Violations (5yr)
1
Health-Based
Location
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Water Systems Serving This Area (19)
Pud #1 Of Asotin County
Alpowa Summit Rest Area
Lyons Ferry State Park
Chief Timothy State Park
Central Ferry State Park
Chief Timothy Park
All resolvedWilma Port Of
Central Ferry Park
Jims Express Mart
Usfs Pittsburg Landing Campground
1 health-basedChief Timothy State Park, Admin
Beamers Landing
All resolvedHoliday Hills Subd
Grande Ronde Ranches #2
Country Living Court
Dakota Housing Solutions
Rose Springs #2
Lyons Ferry State Park - Admin.
Adele'S Oasis
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
How Does This Compare?
Clarkston (99403) has more violations than 65% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 9.
Recommended Water Filters
Based on health-based violations detected in your area, these filter types are commonly used to address similar contaminants. Consult your water utility's Consumer Confidence Report for the most current data.
UV Water Purifier
Uses ultraviolet light to neutralize bacteria, viruses, and parasites without chemicals. Ideal for homes with microbial contamination concerns.
Targets:E. coli, Coliform, Giardia, Cryptosporidium
Look for:NSF/ANSI 55 (Class A) certified
Always look for filters certified by NSF International for the specific contaminants you want to remove. This is general educational information, not an endorsement of any specific product.