Water Quality in Sequim, WA (98382)

EPA violation data for public water systems serving ZIP code 98382.

Past Health-Based Violations

1 health-based violation was found in the past 5 years, meaning contaminant levels exceeded federal safety limits. All have since been resolved. There are also 162 monitoring/reporting violations.

More violations than 98% of US ZIP codes.

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

31,052

Population

119

Water Systems

163

Violations (5yr)

Health-Based

Location

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Water Systems Serving This Area (119)

Port Angeles City Of

Surface water 28,946 people served

0 violations

Lead tested: 2.6 ppb (limit: 15 ppb) ✓

Port Townsend City Of

Surface water 16,977 people served

0 violations

Quimper

All resolved

Groundwater 14,500 people served

1 violation (5yr) · All resolved

Sequim City Of

All resolved

Groundwater 14,293 people served

1 violation (5yr) · All resolved

Port Angeles Composite

All resolved

Surface water 9,879 people served

2 violations (5yr) · All resolved

Mt. Vista - Dungeness Golf Course

All resolved

Groundwater 3,200 people served

2 violations (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Dosewallips State Park

All resolved

Groundwater 2,941 people served

3 violations (5yr) · All resolved

West Sequim Bay Inc

All resolved

Groundwater 2,759 people served

4 violations (5yr) · All resolved

Lead tested: 1 ppb (limit: 15 ppb) ✓

Blyn - 7 Cedars Consolidated

All resolved

Groundwater 2,630 people served

106 violations (5yr) · All resolved

Lead tested: 4.1 ppb (limit: 15 ppb) ✓

Resolved

Lead and Copper Rule Monitoring

Oct 2023 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Apr 2023 Resolved

Lead and Copper Rule Monitoring

Jan 2023 Resolved

Endothall Monitoring

Jul 2022 Resolved

Benzo(a)pyrene Monitoring

Jul 2022 Resolved

OXAMYL Monitoring

Jul 2022 Resolved

Dinoseb Monitoring

Jul 2022 Resolved

2,4,5-TP Monitoring

Jul 2022 Resolved

Heptachlor Monitoring

Jul 2022 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Jul 2022 Resolved

Chlordane Monitoring

Jul 2022 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Jul 2022 Resolved

Toxaphene Monitoring

Jul 2022 Resolved

Di(2-ethylhexyl) adipate Monitoring

Jul 2022 Resolved

2,3,7,8-TCDD Monitoring

Jul 2022 Resolved

Hexachlorocyclopentadiene Monitoring

Jul 2022 Resolved

BHC-GAMMA Monitoring

Jul 2022 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Jul 2022 Resolved

Dalapon Monitoring

Jul 2022 Resolved

Diquat Monitoring

Jul 2022 Resolved

Picloram Monitoring

Jul 2022 Resolved

Glyphosate Monitoring

Jul 2022 Resolved

HEXACHLOROBENZENE Monitoring

Jul 2022 Resolved

Lead and Copper Rule Monitoring

Jul 2022 Resolved

2,4-D Monitoring

Jul 2022 Resolved

Pentachlorophenol Monitoring

Jul 2022 Resolved

Methoxychlor Monitoring

Jul 2022 Resolved

ETHYLENE DIBROMIDE Monitoring

Jul 2022 Resolved

Endrin Monitoring

Jul 2022 Resolved

Atrazine Monitoring

Jul 2022 Resolved

Heptachlor epoxide Monitoring

Jul 2022 Resolved

Simazine Monitoring

Jul 2022 Resolved

Carbofuran Monitoring

Jul 2022 Resolved

LASSO Monitoring

Jul 2022 Resolved

Toluene Monitoring

Apr 2022 Resolved

Simazine Monitoring

Apr 2022 Resolved

Carbon tetrachloride Monitoring

Apr 2022 Resolved

OXAMYL Monitoring

Apr 2022 Resolved

p-Dichlorobenzene Monitoring

Apr 2022 Resolved

LASSO Monitoring

Apr 2022 Resolved

Benzene Monitoring

Apr 2022 Resolved

Vinyl chloride Monitoring

Apr 2022 Resolved

Benzo(a)pyrene Monitoring

Apr 2022 Resolved

Tetrachloroethylene Monitoring

Apr 2022 Resolved

Di(2-ethylhexyl) phthalate Monitoring

Apr 2022 Resolved

2,3,7,8-TCDD Monitoring

Apr 2022 Resolved

2,4-D Monitoring

Apr 2022 Resolved

Pentachlorophenol Monitoring

Apr 2022 Resolved

Styrene Monitoring

Apr 2022 Resolved

1,2-Dichloroethane Monitoring

Apr 2022 Resolved

Xylenes, Total Monitoring

Apr 2022 Resolved

2,4,5-TP Monitoring

Apr 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Apr 2022 Resolved

Endrin Monitoring

Apr 2022 Resolved

Methoxychlor Monitoring

Apr 2022 Resolved

Chlordane Monitoring

Apr 2022 Resolved

Carbofuran Monitoring

Apr 2022 Resolved

Hexachlorocyclopentadiene Monitoring

Apr 2022 Resolved

Atrazine Monitoring

Apr 2022 Resolved

BHC-GAMMA Monitoring

Apr 2022 Resolved

CHLOROBENZENE Monitoring

Apr 2022 Resolved

Dinoseb Monitoring

Apr 2022 Resolved

DICHLOROMETHANE Monitoring

Apr 2022 Resolved

Ethylbenzene Monitoring

Apr 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Apr 2022 Resolved

Total Polychlorinated Biphenyls (PCB) Monitoring

Apr 2022 Resolved

Picloram Monitoring

Apr 2022 Resolved

Trichloroethylene Monitoring

Apr 2022 Resolved

1,2-DIBROMO-3-CHLOROPROPANE Monitoring

Apr 2022 Resolved

Endothall Monitoring

Apr 2022 Resolved

1,2-Dichloropropane Monitoring

Apr 2022 Resolved

Heptachlor epoxide Monitoring

Apr 2022 Resolved

1,1,2-Trichloroethane Monitoring

Apr 2022 Resolved

Heptachlor Monitoring

Apr 2022 Resolved

o-Dichlorobenzene Monitoring

Apr 2022 Resolved

Glyphosate Monitoring

Apr 2022 Resolved

Di(2-ethylhexyl) adipate Monitoring

Apr 2022 Resolved

HEXACHLOROBENZENE Monitoring

Apr 2022 Resolved

Dalapon Monitoring

Apr 2022 Resolved

ETHYLENE DIBROMIDE Monitoring

Apr 2022 Resolved

1,2,4-Trichlorobenzene Monitoring

Apr 2022 Resolved

1,1-Dichloroethylene Monitoring

Apr 2022 Resolved

Toxaphene Monitoring

Apr 2022 Resolved

Diquat Monitoring

Apr 2022 Resolved

1,1,1-Trichloroethane Monitoring

Apr 2022 Resolved

1,1,2-Trichloroethane Monitoring

Jan 2022 Resolved

DICHLOROMETHANE Monitoring

Jan 2022 Resolved

Xylenes, Total Monitoring

Jan 2022 Resolved

1,1-Dichloroethylene Monitoring

Jan 2022 Resolved

1,2-Dichloropropane Monitoring

Jan 2022 Resolved

1,1,1-Trichloroethane Monitoring

Jan 2022 Resolved

p-Dichlorobenzene Monitoring

Jan 2022 Resolved

1,2-Dichloroethane Monitoring

Jan 2022 Resolved

Styrene Monitoring

Jan 2022 Resolved

CHLOROBENZENE Monitoring

Jan 2022 Resolved

1,2,4-Trichlorobenzene Monitoring

Jan 2022 Resolved

Ethylbenzene Monitoring

Jan 2022 Resolved

Trichloroethylene Monitoring

Jan 2022 Resolved

cis-1,2-Dichloroethylene Monitoring

Jan 2022 Resolved

Toluene Monitoring

Jan 2022 Resolved

Vinyl chloride Monitoring

Jan 2022 Resolved

Tetrachloroethylene Monitoring

Jan 2022 Resolved

o-Dichlorobenzene Monitoring

Jan 2022 Resolved

trans-1,2-Dichloroethylene Monitoring

Jan 2022 Resolved

Carbon tetrachloride Monitoring

Jan 2022 Resolved

Benzene Monitoring

Jan 2022 Resolved

7 Cedars Casino

Groundwater 2,530 people served

0 violations

Sunland Water District

Groundwater 2,235 people served

0 violations

Lead tested: 5 ppb (limit: 15 ppb) ✓

Olympic Springs Inc

Groundwater 1,500 people served

0 violations

Sequim Bay State Park

Purchased groundwater 1,285 people served

0 violations

Potlatch State Park

All resolved

Groundwater 1,055 people served

2 violations (5yr) · All resolved

Estates Inc

All resolved

Groundwater 1,043 people served

1 violation (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Dungeness River Nature Center

Groundwater 1,000 people served

0 violations

Solmar Water

All resolved

Groundwater 895 people served

1 violation (5yr) · All resolved

Bogachiel State Park

Groundwater 783 people served

0 violations

Shadow Mountain

Groundwater 656 people served

0 violations

Dungeness Meadows

All resolved

Groundwater 488 people served

1 violation (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Monterra

Groundwater 464 people served

0 violations

Dungeness Bay Plat

Groundwater 461 people served

0 violations

Lead tested: 2.5 ppb (limit: 15 ppb) ✓

Parkwood Mfd Housing Community

All resolved

Groundwater 378 people served

2 violations (5yr) · All resolved

Mains Farm Property Owners

All resolved

Groundwater 358 people served

1 violation (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Dungeness Golf Course And Mt Vista

Groundwater 348 people served

0 violations

Kings Way Foursquare

All resolved

Groundwater 296 people served

1 violation (5yr) · All resolved

Sun Meadows

All resolved

Groundwater 295 people served

1 violation (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Three Crabs Restaurant

Groundwater 289 people served

0 violations

Vistas Inc

All resolved

Groundwater 241 people served

1 violation (5yr) · All resolved

Four Seasons Park

1 health-based

Groundwater 225 people served

2 violations (5yr) · 1 health-based · All resolved

Lead tested: 1 ppb (limit: 15 ppb) ✓

Jehovahs Witness Kingdom Hall

Groundwater 215 people served

0 violations

Discovery Bay Village

All resolved

Groundwater 191 people served

2 violations (5yr) · All resolved

Dungeness Beach

Groundwater 181 people served

0 violations

Sequim Valley Tracts Water System

Groundwater 175 people served

0 violations

Flauras Acres Propertyowner

All resolved

Groundwater 150 people served

1 violation (5yr) · All resolved

Lead tested: 1.5 ppb (limit: 15 ppb) ✓

Olympus Beach Tracts

All resolved

Groundwater 143 people served

1 violation (5yr) · All resolved

Maple Grove

All resolved

Groundwater 132 people served

1 violation (5yr) · All resolved

Groveland Cottage Water System

Groundwater 129 people served

0 violations

Discovery Bay Leaseholders

All resolved

Groundwater 123 people served

1 violation (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

Dickie Birds

Groundwater 111 people served

0 violations

Woodland Heights

All resolved

Groundwater 105 people served

1 violation (5yr) · All resolved

Loma Vista

Groundwater 100 people served

0 violations

Sequim Bay Resort

Groundwater 96 people served

0 violations

Jamestown On Wilcox Lane

Groundwater 94 people served

0 violations

Lead tested: 1 ppb (limit: 15 ppb) ✓

Baywood Village Mobile Home Park

All resolved

Groundwater 90 people served

1 violation (5yr) · All resolved

Sequim Early Learning Center

Groundwater 87 people served

0 violations

Faith Baptist Church

Groundwater 76 people served

0 violations

Heart O The Hills

All resolved

Groundwater 76 people served

1 violation (5yr) · All resolved

Diamond Point Rv Park

Groundwater 75 people served

0 violations

Panorama Vista

All resolved

Groundwater 75 people served

2 violations (5yr) · All resolved

Sequim First Baptist Church

Groundwater 75 people served

0 violations

Green Acres Mobile Home Park

All resolved

Groundwater 74 people served

2 violations (5yr) · All resolved

Carlsborg Mobile Estates

All resolved

Groundwater 69 people served

1 violation (5yr) · All resolved

Tretteviks Rv Park Ws

Surface water 66 people served

0 violations

Madrona Ridge Homeowners

All resolved

Groundwater 65 people served

1 violation (5yr) · All resolved

Forest Ridge

All resolved

Groundwater 65 people served

2 violations (5yr) · All resolved

Jessup, Jay Water System

Groundwater 60 people served

0 violations

Fat Smittys

Groundwater 56 people served

0 violations

Sequim Seventh Day Adventist

All resolved

Groundwater 55 people served

1 violation (5yr) · All resolved

Meadowbrook Village

All resolved

Groundwater 55 people served

1 violation (5yr) · All resolved

Lead tested: 0 ppb (limit: 15 ppb) ✓

First Baptist Church

Groundwater 50 people served

0 violations

Agnew Mobile Home Park

Groundwater 50 people served

0 violations

Happy Valley Estates

Groundwater 46 people served

0 violations

Lead tested: 1 ppb (limit: 15 ppb) ✓

Beach

Groundwater 45 people served

0 violations

Society Of Jamestown Indians

Groundwater 45 people served

0 violations

Country Acre Child Care Center

Groundwater 44 people served

0 violations

Buena Vista Estates

All resolved

Groundwater 42 people served

1 violation (5yr) · All resolved

Gardner Country Chapel

Groundwater 40 people served

0 violations

Cedar Grove Mobile Park

All resolved

Groundwater 40 people served

1 violation (5yr) · All resolved

Society Of Jamestown Indians

Groundwater 40 people served

0 violations

Uscg Light Station New Dungeness

All resolved

Groundwater 39 people served

1 violation (5yr) · All resolved

Alderwood East

Groundwater 39 people served

0 violations

Sequim West Inn

Groundwater 34 people served

0 violations

Olympic View Mobile Park

All resolved

Groundwater 34 people served

1 violation (5yr) · All resolved

Lead tested: 1.5 ppb (limit: 15 ppb) ✓

Olympic View

All resolved

Groundwater 33 people served

1 violation (5yr) · All resolved

Lead tested: 6.5 ppb (limit: 15 ppb) ✓

Brandt Point

All resolved

Groundwater 32 people served

1 violation (5yr) · All resolved

Kevca Water

Groundwater 31 people served

0 violations

Palo Verde

All resolved

Groundwater 30 people served

1 violation (5yr) · All resolved

Louella Heights

All resolved

Groundwater 28 people served

4 violations (5yr) · All resolved

Sportsman

Groundwater 28 people served

0 violations

Sequim Val. Church Of The Nazarene

Groundwater 27 people served

0 violations

Peterson-Whittaker

All resolved

Groundwater 26 people served

1 violation (5yr) · All resolved

Sequim Bay General Store

Groundwater 26 people served

0 violations

Skyridge Golf Course Club House

Groundwater 25 people served

0 violations

Little Brown Church Of Blyn

Groundwater 25 people served

0 violations

Dungeness Beach Plat Mcalmond Farm

Groundwater 25 people served

0 violations

Bell Hill Realty

Groundwater 25 people served

0 violations

R K Cycle

Groundwater 24 people served

0 violations

Olympic Unitarian Universalist

Groundwater 22 people served

0 violations

Sunshine Mobile & Rv Park

Groundwater 16 people served

0 violations

Port Crescent Tree Farm

Groundwater 16 people served

0 violations

Carr Water System

Groundwater 15 people served

0 violations

Twin Barns

Groundwater 12 people served

0 violations

Kings Mobil Home

Groundwater 12 people served

0 violations

Coastal Water

Groundwater 12 people served

0 violations

Wood, Kimba

Groundwater 10 people served

0 violations

Blue Whale On The Bay B And B

Groundwater 10 people served

0 violations

Walt Water System

Groundwater 10 people served

0 violations

Besancon Water System

Groundwater 9 people served

0 violations

Sequim Elks 2642

Groundwater 7 people served

0 violations

Solie Water

Groundwater 6 people served

0 violations

Cays Road

Groundwater 6 people served

0 violations

Grimes Water System

Groundwater 6 people served

0 violations

Big John

Groundwater 6 people served

0 violations

Haley, Joe And Gary

Groundwater 6 people served

0 violations

Rutledge, Clemons Water

Groundwater 6 people served

0 violations

Wicker Water 1

Groundwater 6 people served

0 violations

Novotny Water

Groundwater 5 people served

0 violations

Happy Tails Well

Groundwater 5 people served

0 violations

Hurd Creek Fish Hatchery

Groundwater 4 people served

0 violations

Carlsborg Store

Groundwater 3 people served

0 violations

Thompson No 1

Groundwater 3 people served

0 violations

Le May, Helga

Groundwater 2 people served

0 violations

Shertzer Water

Groundwater 2 people served

0 violations

Carriage Bed And Breakfast

Groundwater 2 people served

0 violations

Wrthp

Groundwater 2 people served

0 violations

Dungeness Country Store

Groundwater 2 people served

0 violations

Clarks Chambers Bed And Breakfast

Groundwater 2 people served

0 violations

South Sequim Bay Rv Park

Groundwater 1 people served

0 violations

Contaminants Found

Lead and Copper RuleHealth-Based

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

6 violations

All resolved

Consumer Confidence RuleMonitoring

Annual water quality report delivery requirement.

34 violations

All resolved

Revised Total Coliform RuleMonitoring

Missed testing deadlines — not a detection of bacteria.

16 violations

All resolved

Di(2-ethylhexyl) phthalateMonitoring

3 violations

All resolved

EndothallMonitoring

2 violations

All resolved

Benzo(a)pyreneMonitoring

2 violations

All resolved

OXAMYLMonitoring

2 violations

All resolved

DinosebMonitoring

2 violations

All resolved

2,4,5-TPMonitoring

2 violations

All resolved

HeptachlorMonitoring

2 violations

All resolved

1,2-DIBROMO-3-CHLOROPROPANEMonitoring

2 violations

All resolved

ChlordaneMonitoring

2 violations

All resolved

Total Polychlorinated Biphenyls (PCB)Monitoring

2 violations

All resolved

ToxapheneMonitoring

2 violations

All resolved

Di(2-ethylhexyl) adipateMonitoring

2 violations

All resolved

2,3,7,8-TCDDMonitoring

2 violations

All resolved

HexachlorocyclopentadieneMonitoring

2 violations

All resolved

BHC-GAMMAMonitoring

2 violations

All resolved

DalaponMonitoring

2 violations

All resolved

DiquatMonitoring

2 violations

All resolved

PicloramMonitoring

2 violations

All resolved

GlyphosateMonitoring

2 violations

All resolved

HEXACHLOROBENZENEMonitoring

2 violations

All resolved

2,4-DMonitoring

2 violations

All resolved

PentachlorophenolMonitoring

2 violations

All resolved

MethoxychlorMonitoring

2 violations

All resolved

ETHYLENE DIBROMIDEMonitoring

2 violations

All resolved

EndrinMonitoring

2 violations

All resolved

AtrazineMonitoring

2 violations

All resolved

Heptachlor epoxideMonitoring

2 violations

All resolved

SimazineMonitoring

2 violations

All resolved

CarbofuranMonitoring

2 violations

All resolved

LASSOMonitoring

2 violations

All resolved

TolueneMonitoring

2 violations

All resolved

Carbon tetrachlorideMonitoring

2 violations

All resolved

p-DichlorobenzeneMonitoring

2 violations

All resolved

BenzeneMonitoring

2 violations

All resolved

Vinyl chlorideMonitoring

2 violations

All resolved

TetrachloroethyleneMonitoring

2 violations

All resolved

StyreneMonitoring

2 violations

All resolved

1,2-DichloroethaneMonitoring

2 violations

All resolved

Xylenes, TotalMonitoring

2 violations

All resolved

trans-1,2-DichloroethyleneMonitoring

2 violations

All resolved

CHLOROBENZENEMonitoring

2 violations

All resolved

DICHLOROMETHANEMonitoring

2 violations

All resolved

EthylbenzeneMonitoring

2 violations

All resolved

cis-1,2-DichloroethyleneMonitoring

2 violations

All resolved

TrichloroethyleneMonitoring

2 violations

All resolved

1,2-DichloropropaneMonitoring

2 violations

All resolved

1,1,2-TrichloroethaneMonitoring

2 violations

All resolved

o-DichlorobenzeneMonitoring

2 violations

All resolved

1,2,4-TrichlorobenzeneMonitoring

2 violations

All resolved

1,1-DichloroethyleneMonitoring

2 violations

All resolved

1,1,1-TrichloroethaneMonitoring

2 violations

All resolved

NitrateMonitoring

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

2 violations

All resolved

TTHMMonitoring

1 violation

All resolved

Total Haloacetic Acids (HAA5)Monitoring

1 violation

All resolved

Lead & Copper Levels

Lead (Pb)

Within limit

4.1 ppb measured Action level: 15 ppb

Sampled: Jan 2025

How Does This Compare?

Sequim (98382) has more violations than 98% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 163.

Fewer violations 98th 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.

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

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.