Water Quality in Ketchum, ID (83340)
EPA violation data for public water systems serving ZIP code 83340.
Active Health Violations
6 health-based violations 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 97% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
5,325
Population
38
Water Systems
129
Violations (5yr)
6
Health-Based
Location
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Water Systems Serving This Area (38)
Ketchum City Of
All resolvedKetchum Spring Water Company
Clarendon Subd
Cold Springs Subd
Busterback Ranch
Stanley Kasino Club
All resolvedHeatherlands Subd
Warm Springs Ranch Restaurant
Smiley Creek Water Users Assn Inc
3 health-basedThe Valley Club
Camp Sawtooth Presbyterian
1 health-basedCamp Perkins Lutheran Outdoor Ministries
Four Seasons
Sun Valley Rv Resort
Greenhorn Subd
Golden Eagle Ranch
1 health-basedWoodenhills Water Works
All resolvedBavarian Village
Wood River Motel
Cottage Cafe
Cathedral Pines Baptist Camp
1 health-basedProspector Tennis Club
Big Wood Water Company
Sun And Powder Condominiums
Syringa Park Subd
Eastside Magic Water Users
Curtis Page,Pastor
Limelight Condominiums
Usfs Federal Gulch Campground
Flowers Mill Subd
T K Scott
Easley Store And Hot Springs
Heidelberg Inn
North Fork Store
Usfs Galena Summit Overlook
J And C Deluxe Mobile Home Park
Chi-Chis/Sakura Japanese Steak House
Southern Comfort Homeowners Association
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Used to disinfect water — generally safe at regulated levels.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
How Does This Compare?
Ketchum (83340) has more violations than 97% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 129.
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.
Reverse Osmosis System
Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.
Targets:Lead, Copper, Arsenic, Mercury, Cadmium
Look for:NSF/ANSI 58 certified
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.