Water Quality in Lewiston, ID (83537)

EPA violation data for public water systems serving ZIP code 83537.

No Health-Based Violations

None of the 4 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are23 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 81% of US ZIP codes.

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

1,125

Population

4

Water Systems

23

Violations (5yr)

0

Health-Based

Location

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Water Systems Serving This Area (4)

Moscow Water Dept

Groundwater 26,000 people served
23 violations (5yr)
Lead tested: 4 ppb (limit: 15 ppb)

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)

Kendrick City Of

Groundwater 313 people served
0 violations
Lead tested: 1 ppb (limit: 15 ppb)

Contaminants Found

TTHMMonitoring
1 violation
Has active
Total Haloacetic Acids (HAA5)Monitoring
1 violation
Has active
1,2-DichloropropaneMonitoring
1 violation
All resolved
TetrachloroethyleneMonitoring
1 violation
All resolved
StyreneMonitoring
1 violation
All resolved
trans-1,2-DichloroethyleneMonitoring
1 violation
All resolved
p-DichlorobenzeneMonitoring
1 violation
All resolved
Carbon tetrachlorideMonitoring
1 violation
All resolved
cis-1,2-DichloroethyleneMonitoring
1 violation
All resolved
1,2-DichloroethaneMonitoring
1 violation
All resolved
TolueneMonitoring
1 violation
All resolved
EthylbenzeneMonitoring
1 violation
All resolved
o-DichlorobenzeneMonitoring
1 violation
All resolved
Xylenes, TotalMonitoring
1 violation
All resolved
TrichloroethyleneMonitoring
1 violation
All resolved
1,1,2-TrichloroethaneMonitoring
1 violation
All resolved
Vinyl chlorideMonitoring
1 violation
All resolved
BenzeneMonitoring
1 violation
All resolved
1,1,1-TrichloroethaneMonitoring
1 violation
All resolved
DICHLOROMETHANEMonitoring
1 violation
All resolved
1,1-DichloroethyleneMonitoring
1 violation
All resolved
1,2,4-TrichlorobenzeneMonitoring
1 violation
All resolved
CHLOROBENZENEMonitoring
1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Lewiston (83537) has more violations than 81% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 23, most of which are monitoring/reporting issues.

Fewer violations 81th 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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