Water Quality in Winthrop, WA (98862)
EPA violation data for public water systems serving ZIP code 98862.
No Health-Based Violations
None of the 46 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are18 monitoring/reporting violations (missed testing deadlines), all resolved.
Better than 77% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
2,995
Population
46
Water Systems
18
Violations (5yr)
0
Health-Based
Location
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Water Systems Serving This Area (46)
Pearrygin Lake State Park - Both Cg
All resolvedWinthrop Town Of
Conconully State Park
Curlew Lake State Park
Liberty Bell High School
Washington Pass Well - Methow Rd
Rainy Pass Rest Area - Methowrd
Conconully Sp Boat Launch
Jerry'S Resort
Early Winters Campground #2
Klipchuck Cg - Methow Rd
Conconully Sp Primitive Area
Pearrygin Lake State Park - West Cg
Derrys Resort
Edelweiss Maintenance Commission
All resolvedBear Creek Airport Park
Ncsb
All resolvedWagon Wheels Cafe
Bear Creek Golf Course
All resolvedEarly Winters Wc - Methow Rd
All resolvedWinthrop Inn Motel
Falls Creek Campground
Wesola Polana
All resolvedWestar Retreat
Westar Retreat
Cuthroat Trailhead Campground
Lens Pearrygin Lake Resort
River Bend Campground
Gate Creek Campground
Early Winters Campground #1
Ballard Campground
Buck Lake Campground
Memorial Campground
Nice Campground
Early Winters Campground #1
Winthrop National Fish Hatcher
Lone Fir Cg - Methow Rd
Foster Guest Ranch #3
Eightmile Ranch
Falls Creek Cg - Methow Rd
Flat Cg - Methow Rd
Ruffed Grouse Cg - Methow Rd
Foster Guest Ranch #1
Foster Guest Ranch #2
Last Chance Lodge Pd 2
Last Chance Lodge Pd 1
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Annual water quality report delivery requirement.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2022
How Does This Compare?
Winthrop (98862) has more violations than 77% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 18, 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.