Water Quality in Nampa, ID (83656)

EPA violation data for public water systems serving ZIP code 83656.

Based on EPA compliance data. Not a substitute for an official water quality report from your utility.

560

Population

15

Water Systems

14

Violations (5yr)

1

Health-Based

Location

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Water Systems Serving This Area (15)

Nampa City Of

All resolved
Groundwater 100,200 people served
1 violation (5yr) · All resolved
Lead tested: 2 ppb (limit: 15 ppb)

Caldwell City Of

Groundwater 74,000 people served
0 violations

Middleton City Of

Groundwater 13,190 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Notus City Of

Groundwater 539 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Flamingo West

Groundwater 320 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Midvale Water System

Groundwater 144 people served
1 violation (5yr)
Lead tested: 1 ppb (limit: 15 ppb)

Lakeview Water Company 1

Groundwater 100 people served
1 violation (5yr)

Idaho West Estates

All resolved
Groundwater 98 people served
2 violations (5yr) · All resolved

Gayle Manufacturing Co

Groundwater 87 people served
0 violations

Decoy Inn And Rv Park

All resolved
Groundwater 75 people served
1 violation (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb)

West River

Groundwater 65 people served
0 violations
Lead tested: 7 ppb (limit: 15 ppb)

Rp Emmett Llc

Groundwater 60 people served
0 violations

Zoroco Packaging Inc

1 health-based
Groundwater 60 people served
8 violations (5yr) · 1 health-based
Lead tested: 0 ppb (limit: 15 ppb)

Sekady Capitol Llc

Groundwater 30 people served
0 violations
Lead tested: 2 ppb (limit: 15 ppb)

Rule Steel

Groundwater 0
0 violations

Contaminants Found

Groundwater RuleHealth-Based
1 violation
All resolved
E. COLIMonitoring
7 violations
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
2 violations
Has active
ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

1 violation
All resolved
NitrateMonitoring

At high levels, nitrate can cause blue baby syndrome in infants.

1 violation
All resolved
ArsenicMonitoring

A naturally occurring element that can cause cancer and other health effects at high levels.

1 violation
All resolved
Lead and Copper RuleMonitoring

Lead and copper testing requirement. Lead exposure can cause developmental harm in children.

1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
2 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Nampa (83656) has more violations than 73% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 14.

Fewer violations 73th percentile More violations

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.

Whole House Carbon Filter

A solid baseline for improving overall water quality. Reduces chlorine, sediment, and many common contaminants throughout your entire home.

Targets:Chlorine, Sediment, Taste & Odor

Look for:NSF/ANSI 42 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.

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