Water Quality in OAKVILLE, WA (98568)

EPA violation data for public water systems serving ZIP code 98568.

49

Total Violations

3

Health-Based

46

Monitoring / Reporting

40

Resolved

What does this mean?

40 of 49 violations have been resolved. 3 are health-based violations, meaning contaminant levels exceeded federal safety limits. The remaining 46 are monitoring or reporting violations (missed testing deadlines or late paperwork — not necessarily a water quality issue). Not all violations mean your water is unsafe. The EPA requires reporting even for minor administrative issues.

Water systems: 8 Population served: 5,969

Violations Detail (49 total)

ContaminantCategoryMCL LimitMeasuredDateStatusHealth Effects
HexachlorocyclopentadieneMonitoringN/AN/AJun 30, 2025ResolvedN/A
Total Polychlorinated Biphenyls (PCB)MonitoringN/AN/AJun 30, 2025ResolvedN/A
Heptachlor epoxideMonitoringN/AN/AJun 30, 2025ResolvedN/A
2,3,7,8-TCDDMonitoringN/AN/AJun 30, 2025ResolvedN/A
ToxapheneMonitoringN/AN/AJun 30, 2025ResolvedN/A
Di(2-ethylhexyl) adipateMonitoringN/AN/AJun 30, 2025ResolvedN/A
SimazineMonitoringN/AN/AJun 30, 2025ResolvedN/A
HEXACHLOROBENZENEMonitoringN/AN/AJun 30, 2025ResolvedN/A
Di(2-ethylhexyl) phthalateMonitoringN/AN/AJun 30, 2025ResolvedN/A
MethoxychlorMonitoringN/AN/AJun 30, 2025ResolvedN/A

Lead & Copper Levels

Violation Timeline

2025(30)

Hexachlorocyclopentadiene

03

Jun 30Resolved

Total Polychlorinated Biphenyls (PCB)

03

Jun 30Resolved

Heptachlor epoxide

03

Jun 30Resolved

2,3,7,8-TCDD

03

Jun 30Resolved

Toxaphene

03

Jun 30Resolved

Di(2-ethylhexyl) adipate

03

Jun 30Resolved

Simazine

03

Jun 30Resolved

HEXACHLOROBENZENE

03

Jun 30Resolved

Di(2-ethylhexyl) phthalate

03

Jun 30Resolved

Methoxychlor

03

Jun 30Resolved

Atrazine

03

Jun 30Resolved

Benzo(a)pyrene

03

Jun 30Resolved

Chlordane

03

Jun 30Resolved

Heptachlor

03

Jun 30Resolved

BHC-GAMMA

03

Jun 30Resolved

Endrin

03

Jun 30Resolved

LASSO

03

Jun 30Resolved

Revised Total Coliform Rule

4B

May 31Active

Revised Total Coliform Rule

4B

May 31Active

Chlorine

27

May 31Resolved

Chlorine

27

May 31Resolved

Revised Total Coliform Rule

4B

May 31Resolved

Revised Total Coliform Rule

4B

May 31Active

Public Notice

75

Apr 2Active

Public Notice

75

Apr 2Resolved

Public Notice

75

Apr 2Resolved

Revised Total Coliform Rule

4B

Mar 31Resolved

Revised Total Coliform Rule

4B

Mar 31Resolved

Revised Total Coliform Rule

4B

Mar 31Resolved

Revised Total Coliform Rule

4B

Mar 31Resolved

2024(11)

TTHM

27

Dec 31Active

Total Haloacetic Acids (HAA5)

27

Dec 31Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Active

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

LEAD AND COPPER RULE REVISIONS

2E

Oct 16Resolved

Revised Total Coliform Rule

4B

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Revised Total Coliform Rule

4B

Aug 31Resolved

Chlorine

27

Aug 31Resolved

Revised Total Coliform Rule

4B

Aug 31Resolved

Revised Total Coliform Rule

4B

Feb 29Resolved

How Does This Compare?

OAKVILLE (98568) has 49 recorded violations, including 3 health-based. 9 remain unresolved. Consider testing your tap water independently for added peace of mind.

Recommended Water Filters

Based on the contaminants detected in your area, these filter types may help improve your water quality.

Reverse Osmosis System

Highly effective at removing heavy metals, dissolved solids, and a wide range of contaminants. Recommended for homes with lead or arsenic concerns.

Targets:Lead, Copper, Arsenic, Mercury, Cadmium

Look for:NSF/ANSI 58 certified

Activated Carbon Filter

Excellent for removing chlorine, chloramine, and disinfection byproducts like THMs and HAAs. Available as pitcher filters, countertop, or under-sink units.

Targets:THMs, HAAs, Chlorine, Chloramine, Taste & Odor

Look for:NSF/ANSI 42 & 53 certified

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

Always look for filters certified by NSF International for the specific contaminants you want to remove.

Nearby ZIP Codes

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