Water Quality in Lewiston, ID (83524)

EPA violation data for public water systems serving ZIP code 83524.

No Health-Based Violations

None of the 5 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are7 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 60% of US ZIP codes.

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

1,050

Population

5

Water Systems

7

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (5)

Lewiston Orchards Irrigation Dist

Groundwater 20,000 people served
0 violations
Lead tested: 0 ppb (limit: 15 ppb)

Lewiston City Of

Surface water 15,001 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Culdesac City Of

Groundwater 382 people served
7 violations (5yr)
Lead tested: 2 ppb (limit: 15 ppb)

Drovers Run At Jacques Spur

Groundwater 60 people served
0 violations

Thunderbird Smoke Shop

Groundwater 30 people served
0 violations

Contaminants Found

ChlorineMonitoring

Used to disinfect water — generally safe at regulated levels.

3 violations
All resolved
LEAD AND COPPER RULE REVISIONSMonitoring
1 violation
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
Has active
TTHMMonitoring
1 violation
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Lewiston (83524) has more violations than 60% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 7, most of which are monitoring/reporting issues.

Fewer violations 60th percentile More violations

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.

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