Water Quality in Pocatello, ID (83204)
EPA violation data for public water systems serving ZIP code 83204.
Active Health Violations
8 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 92% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
18,580
Population
30
Water Systems
57
Violations (5yr)
8
Health-Based
Location
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Water Systems Serving This Area (30)
Pocatello City Of
1 health-basedPocatello City Airport
Chubbuck City Of
American Falls City Of
Big Sky Water Users
Big Sky N. Subdivision
All resolvedCaribou Acres
All resolvedCamp Taylor
All resolvedWildhorse Ridge Subd
All resolvedGay Mine Simplot
Sea Gull Bay Yacht Club
2 health-basedValley View Estates
Usfs Mink Creek Group Use Area
All resolvedUsfs Summit Campground
1 health-basedSedero Subd
All resolvedMink Creek Mountain Estates
North Blackfoot Rest Area Southbound Itd
1 health-basedCherry Creek Rest Area Itd
All resolvedSimplot Research Center
Coldwater Hill Rest Area Itd
All resolvedUsfs Third Creek Recreation Area
All resolvedBlackfoot Reservoir Campground
All resolvedNorth Blackfoot Rest Area Northbound Itd
All resolvedUsfs Big Springs Campground
1 health-basedMalad Summit Rest Area Itd
All resolvedMassacre Rocks Rest Area Itd
2 health-basedUsfs Scout Mountain Campground
Usfs Curlew Campground
All resolvedUsfs Twin Springs Campground
Becker/West Inc
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Annual water quality report delivery requirement.
Used to disinfect water — generally safe at regulated levels.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jul 2025
Copper (Cu)
Exceeds limitSampled: Jul 2025
How Does This Compare?
Pocatello (83204) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 57.
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
One of the few filtration methods effective at removing nitrates and nitrites. Essential for households with infants.
Targets:Nitrate, Nitrite, Dissolved Solids
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.