Water Quality in Northport, WA (99157)

EPA violation data for public water systems serving ZIP code 99157.

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

605

Population

3

Water Systems

1,363

Violations (5yr)

2

Health-Based

Location

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Water Systems Serving This Area (3)

Northport Water System

All resolved
Groundwater 290 people served
1 violation (5yr) · All resolved

Marble Water System

1 health-based
Groundwater 94 people served
1360 violations (5yr) · 1 health-based
Lead tested: 1 ppb (limit: 15 ppb) ✓

Upper Columbia Rv Park & Campground

1 health-based
Groundwater 10 people served
2 violations (5yr) · 1 health-based · All resolved

Contaminants Found

Revised Total Coliform RuleHealth-Based

Missed testing deadlines — not a detection of bacteria.

28 violations
All resolved
TolueneMonitoring
16 violations
All resolved
1,1,2-TrichloroethaneMonitoring
16 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
16 violations
All resolved
BenzeneMonitoring
16 violations
All resolved
HeptachlorMonitoring
16 violations
All resolved
StyreneMonitoring
16 violations
All resolved
p-DichlorobenzeneMonitoring
16 violations
All resolved
AtrazineMonitoring
16 violations
All resolved
HEXACHLOROBENZENEMonitoring
16 violations
All resolved
2,4,5-TPMonitoring
16 violations
All resolved
Vinyl chlorideMonitoring
16 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
16 violations
All resolved
LASSOMonitoring
16 violations
All resolved
TetrachloroethyleneMonitoring
16 violations
All resolved
Heptachlor epoxideMonitoring
16 violations
All resolved
DinosebMonitoring
16 violations
All resolved
1,2-DichloropropaneMonitoring
16 violations
All resolved
DalaponMonitoring
16 violations
All resolved
SimazineMonitoring
16 violations
All resolved
TrichloroethyleneMonitoring
16 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
16 violations
All resolved
BHC-GAMMAMonitoring
16 violations
All resolved
DICHLOROMETHANEMonitoring
16 violations
All resolved
o-DichlorobenzeneMonitoring
16 violations
All resolved
1,1,1-TrichloroethaneMonitoring
16 violations
All resolved
HexachlorocyclopentadieneMonitoring
16 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
16 violations
All resolved
1,1-DichloroethyleneMonitoring
16 violations
All resolved
Benzo(a)pyreneMonitoring
16 violations
All resolved
ToxapheneMonitoring
16 violations
All resolved
EthylbenzeneMonitoring
16 violations
All resolved
ChlordaneMonitoring
16 violations
All resolved
1,2-DichloroethaneMonitoring
16 violations
All resolved
MethoxychlorMonitoring
16 violations
All resolved
PicloramMonitoring
16 violations
All resolved
PentachlorophenolMonitoring
16 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
16 violations
All resolved
Carbon tetrachlorideMonitoring
16 violations
All resolved
EndrinMonitoring
16 violations
All resolved
CHLOROBENZENEMonitoring
16 violations
All resolved
NitrateMonitoring

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

4 violations
All resolved
Lead and Copper RuleMonitoring

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

3 violations
Has active

Lead & Copper Levels

Lead (Pb)

Within limit
1 ppb measured Action level: 15 ppb

Sampled: Jul 2022

How Does This Compare?

Northport (99157) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 1,363.

Fewer violations 100th 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.

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

NSF Certified Products → EPA Safe Drinking Water Guide →

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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