Water Quality in Nampa, ID (83605)
EPA violation data for public water systems serving ZIP code 83605.
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.
41,325
Population
58
Water Systems
55
Violations (5yr)
8
Health-Based
Location
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Water Systems Serving This Area (58)
Nampa City Of
All resolvedCaldwell City Of
Middleton City Of
Simplot Potato Products
Sawtooth Hotel Cafe
Catherine Creek Lodge
Canyon Kindergarten
Canyon School District #139
Caldwell Christian Church
All resolvedMacks Fruit Stand And Meat Market
Warm Lake Bible Camp
All resolvedDeer Flat Merc
Curtus Park
Sand Hollow Cafe
Terrace Drive In
2 health-basedSnake River Brewery
Summit Auctions
5 health-basedMerle'S Tavern
Donald W Mcintyre
Simplot Aqua Culture
Fifth Wheel
Bartlett Hills Subd
R And R Subd 1 Well
Robison Fruit Ranch Inc
Canyon County Head Start
Rosewood Subd
Deer Flat Merc
Lakeview Water Company Inc 2
Midway Cafe
El Ray Ii
Virgil Hicks
Mccarthy Subd Classic Water Users
Vanal Heights Well Assn
Hilldrop Subd
Sage Acres # 1
Lena Lakeys Trailer Court
Stecker Mutual Water Company East West
Pa'Aoa Llc
Leisure Village 11 Apts
Forest Green Park Subd
Valley View Apartments
Lakeview Apts
Idaho Meat Packers Inc
Old Houston School
Model Bakery
Squaw Butte Well Users Assn
La Moreliana
Scotts Ice
Weston Winery
God'S Acres #3
Se Strecher Subd Water Assn
Celebration Park
All resolvedHendrickson Subd Water Assn
Choice Cuts
Zechmans Tropical Sno
Southgate Subd
Darigold Inc
1 health-basedScism School
Contaminants Found
Missed testing deadlines — not a detection of bacteria.
At high levels, nitrate can cause blue baby syndrome in infants.
Used to disinfect water — generally safe at regulated levels.
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
Lead & Copper Levels
Lead (Pb)
Within limitSampled: Jan 2025
How Does This Compare?
Nampa (83605) has more violations than 92% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 55.
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.