Water Quality in Oak Harbor, WA (98260)

EPA violation data for public water systems serving ZIP code 98260.

No Health-Based Violations

None of the 29 water systems serving this ZIP have exceeded federal contaminant limits in the past 5 years. There are170 monitoring/reporting violations (missed testing deadlines), all resolved.

Better than 98% of US ZIP codes.

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

5,320

Population

29

Water Systems

170

Violations (5yr)

0

Health-Based

Location

Loading map...

Water Systems Serving This Area (29)

Oak Harbor City Of

All resolved
Purchased surface water 23,767 people served
2 violations (5yr) · All resolved
Lead tested: 1.2 ppb (limit: 15 ppb) ✓

Naval Air Station/Whidbey Island

Purchased surface water 16,595 people served
0 violations

Langley City Of

All resolved
Groundwater 1,416 people served
1 violation (5yr) · All resolved

Whidbey City Water System

Groundwater 1,092 people served
0 violations

Langley Elementary School

Groundwater 450 people served
0 violations

Lone Lake Shores Community Assn

All resolved
Groundwater 71 people served
1 violation (5yr) · All resolved

Deer Lagoon Grange

Groundwater 50 people served
0 violations

Saratoga Pump

Groundwater 48 people served
0 violations

Holmes Harbor Rod & Gun Club

Groundwater 45 people served
0 violations

Beaver Creek Water System

Groundwater 42 people served
0 violations

Baby Island - Saratoga

Groundwater 41 people served
0 violations

Haven Well System

All resolved
Groundwater 32 people served
1 violation (5yr) · All resolved

Stevens Custom Meats

Groundwater 30 people served
0 violations

Moonwink

Groundwater 30 people served
0 violations

Whidbey Wheel Estates

Groundwater 25 people served
0 violations

Bells Beach

Groundwater 25 people served
0 violations

Sterba Meats Inc

Groundwater 25 people served
0 violations

South Whidbey Parks And Rec

Groundwater 25 people served
0 violations

Taylorville Water Association

Groundwater 25 people served
0 violations

Forest Glen

Groundwater 25 people served
0 violations

West Deer Lake #1

All resolved
Groundwater 24 people served
165 violations (5yr) · All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓

Sterbas Meats

Groundwater 4 people served
0 violations

Rorex Water Sytem

Groundwater 4 people served
0 violations

Riverbank Farm B&B Water System

Groundwater 3 people served
0 violations

Waterman Mill

Groundwater 3 people served
0 violations

Kw Water System

Groundwater 2 people served
0 violations

Morgans Arco Service Station

Groundwater 2 people served
0 violations

Ashingdon Manor Water System

Groundwater 2 people served
0 violations

Idle Time Motel

Groundwater 1 people served
0 violations

Contaminants Found

BHC-GAMMAMonitoring
5 violations
All resolved
LASSOMonitoring
5 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
5 violations
All resolved
ToxapheneMonitoring
5 violations
All resolved
Benzo(a)pyreneMonitoring
5 violations
All resolved
MethoxychlorMonitoring
5 violations
All resolved
HeptachlorMonitoring
5 violations
All resolved
Heptachlor epoxideMonitoring
5 violations
All resolved
SimazineMonitoring
5 violations
All resolved
EndrinMonitoring
5 violations
All resolved
HexachlorocyclopentadieneMonitoring
5 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
5 violations
All resolved
ChlordaneMonitoring
5 violations
All resolved
HEXACHLOROBENZENEMonitoring
5 violations
All resolved
AtrazineMonitoring
5 violations
All resolved
PicloramMonitoring
5 violations
All resolved
PentachlorophenolMonitoring
5 violations
All resolved
DalaponMonitoring
5 violations
All resolved
DinosebMonitoring
5 violations
All resolved
2,4,5-TPMonitoring
5 violations
All resolved
Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

3 violations
All resolved
TetrachloroethyleneMonitoring
3 violations
All resolved
BenzeneMonitoring
3 violations
All resolved
trans-1,2-DichloroethyleneMonitoring
3 violations
All resolved
1,2-DichloropropaneMonitoring
3 violations
All resolved
1,1,2-TrichloroethaneMonitoring
3 violations
All resolved
1,2-DichloroethaneMonitoring
3 violations
All resolved
TolueneMonitoring
3 violations
All resolved
1,1-DichloroethyleneMonitoring
3 violations
All resolved
CHLOROBENZENEMonitoring
3 violations
All resolved
EthylbenzeneMonitoring
3 violations
All resolved
StyreneMonitoring
3 violations
All resolved
o-DichlorobenzeneMonitoring
3 violations
All resolved
Vinyl chlorideMonitoring
3 violations
All resolved
Carbon tetrachlorideMonitoring
3 violations
All resolved
TrichloroethyleneMonitoring
3 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
3 violations
All resolved
1,1,1-TrichloroethaneMonitoring
3 violations
All resolved
DICHLOROMETHANEMonitoring
3 violations
All resolved
p-DichlorobenzeneMonitoring
3 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
3 violations
All resolved
Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

2 violations
All resolved
Lead and Copper RuleMonitoring

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

2 violations
All resolved
Total Haloacetic Acids (HAA5)Monitoring
1 violation
All resolved
TTHMMonitoring
1 violation
All resolved
NitrateMonitoring

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

1 violation
All resolved

Lead & Copper Levels

Lead (Pb)

Within limit
0 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Oak Harbor (98260) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 170, most of which are monitoring/reporting issues.

Fewer violations 98th 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.

Nearby ZIP Codes

Check Another ZIP Code