Water Quality in Coupeville, WA (98239)
EPA violation data for public water systems serving ZIP code 98239.
Active Health Violations
84 health-based violations found in the past 5 years, with at least one still unresolved. Contaminant levels have exceeded federal safety limits. Consider testing your tap water independently.
More violations than 100% of US ZIP codes.
Based on EPA compliance data. Not a substitute for an official water quality report from your utility.
7,656
Population
149
Water Systems
556
Violations (5yr)
84
Health-Based
Location
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Water Systems Serving This Area (149)
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
Coupeville Town Of
Groundwater 4,077 people served
0 violations
Camano Water Association
All resolved Groundwater 2,592 people served
1 violation (5yr)
· All resolved
Maxwelton Water System
All resolved Groundwater 1,700 people served
5 violations (5yr)
· All resolved
Fort Ebey State Park
Groundwater 1,443 people served
0 violations
South Whidbey State Park
Groundwater 1,203 people served
0 violations
Scatchet Head Water District
1 health-based Groundwater 900 people served
4 violations (5yr)
· 1 health-based · All resolved
Camaloch Association
All resolved Groundwater 825 people served
5 violations (5yr)
· All resolved
Northgate Terrace Community Club
All resolved Groundwater 750 people served
5 violations (5yr)
· All resolved
Lost Lake Property Owners Assn
All resolved Groundwater 736 people served
6 violations (5yr)
· All resolved
Wilderness Ridge Community Club
All resolved Groundwater 664 people served
2 violations (5yr)
· All resolved
Mecca Community Association
All resolved Groundwater 619 people served
2 violations (5yr)
· All resolved
Camano Vista Water District
All resolved Groundwater 591 people served
11 violations (5yr)
· All resolved
Sunvista Sunlight Beach Hoa
All resolved Groundwater 500 people served
2 violations (5yr)
· All resolved
Saratoga Water District
10 health-based Groundwater 477 people served
13 violations (5yr)
· 10 health-based · All resolved
Combined Water System
Groundwater 435 people served
4 violations (5yr)
Crosswoods Water Company
Groundwater 420 people served
0 violations
Whidbey West Water Assoc.
4 health-based Groundwater 415 people served
8 violations (5yr)
· 4 health-based · All resolved
Sierra Country Club
9 health-based Groundwater 400 people served
11 violations (5yr)
· 9 health-based · All resolved
Rocky Point Community Club
All resolved Groundwater 320 people served
2 violations (5yr)
· All resolved
Driftwood Heights Association
All resolved Groundwater 311 people served
1 violation (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Parkwood Manor Mhp
Groundwater 301 people served
0 violations
Mariners Cove Beach Club Inc
Groundwater 300 people served
3 violations (5yr)
Kens Korner
All resolved Groundwater 300 people served
4 violations (5yr)
· All resolved
Camano Hills Water Company Inc
All resolved Groundwater 286 people served
5 violations (5yr)
· All resolved
Goss Lake Park Community
All resolved Groundwater 285 people served
3 violations (5yr)
· All resolved
West Ridge Water System
All resolved Groundwater 275 people served
1 violation (5yr)
· All resolved
Whidbey Shores Water System
All resolved Groundwater 262 people served
5 violations (5yr)
· All resolved
Shirona Water System
All resolved Groundwater 243 people served
2 violations (5yr)
· All resolved
Hide-Away Water Company Inc
3 health-based Groundwater 240 people served
5 violations (5yr)
· 3 health-based · All resolved
Juniper Beach Water District
Groundwater 213 people served
11 violations (5yr)
Country Place Mobile Home Park
All resolved Groundwater 200 people served
2 violations (5yr)
· All resolved
Polnell Shores Comm Org Inc
All resolved Groundwater 195 people served
2 violations (5yr)
· All resolved
Harris Custer Estates Water Assn
All resolved Groundwater 194 people served
3 violations (5yr)
· All resolved
Casey'S Cove
Groundwater 186 people served
0 violations
Long Point Water Company Inc
1 health-based Groundwater 182 people served
9 violations (5yr)
· 1 health-based · All resolved
Pine Terrace Water Association
1 health-based Groundwater 181 people served
1 violation (5yr)
· 1 health-based · All resolved
South Whidbey Parks & Rec District
All resolved Groundwater 178 people served
2 violations (5yr)
· All resolved
Meadow Ridge
All resolved Groundwater 175 people served
2 violations (5yr)
· All resolved
Race Lagoon Heights Association
All resolved Groundwater 157 people served
4 violations (5yr)
· All resolved
Lead tested: 0.8 ppb (limit: 15 ppb) ✓
Mutiny Bay Park Water Association
All resolved Groundwater 156 people served
2 violations (5yr)
· All resolved
Rhodena Beach Water District
All resolved Groundwater 152 people served
1 violation (5yr)
· All resolved
Lighthouse Shores
Groundwater 152 people served
0 violations
Wagon Wheel
All resolved Groundwater 150 people served
1 violation (5yr)
· All resolved
Fircrest Community Water System
All resolved Groundwater 150 people served
3 violations (5yr)
· All resolved
Sunlight Shores Country Club
Groundwater 150 people served
0 violations
Possession Shores Inc
All resolved Groundwater 150 people served
2 violations (5yr)
· All resolved
Thunder Ridge Water System
All resolved Groundwater 145 people served
1 violation (5yr)
· All resolved
Valley High Park
All resolved Groundwater 141 people served
1 violation (5yr)
· All resolved
Race Lagoon Water Association
All resolved Groundwater 141 people served
2 violations (5yr)
· All resolved
Lakeview Terrace
All resolved Groundwater 140 people served
5 violations (5yr)
· All resolved
Long Beach Water District
Groundwater 137 people served
0 violations
Eagle Valley Water System
All resolved Groundwater 135 people served
2 violations (5yr)
· All resolved
Lake Grove Water Association
All resolved Groundwater 134 people served
2 violations (5yr)
· All resolved
Teronda West Country Club Assn.
All resolved Groundwater 127 people served
1 violation (5yr)
· All resolved
Campo Hacienda
2 health-based Groundwater 123 people served
5 violations (5yr)
· 2 health-based · All resolved
Livingston Bay Community Assn
All resolved Groundwater 120 people served
2 violations (5yr)
· All resolved
Jd Groom
Groundwater 118 people served
0 violations
Lead tested: 2.4 ppb (limit: 15 ppb) ✓
Whispering Pines Homeowners Coop
All resolved Groundwater 116 people served
3 violations (5yr)
· All resolved
Pioneer Park Water System
Groundwater 115 people served
1 violation (5yr)
Elgerwood Maintenance Association
All resolved Groundwater 112 people served
4 violations (5yr)
· All resolved
Idlewood Community
Groundwater 111 people served
2 violations (5yr)
Bush Point Trac Park
Groundwater 111 people served
3 violations (5yr)
Holmes Harbor Water Co
Groundwater 110 people served
0 violations
Skyline West Community Club
Groundwater 109 people served
0 violations
Waynes Ridge Water Assoc
Groundwater 108 people served
1 violation (5yr)
Woodland Estates
All resolved Groundwater 106 people served
1 violation (5yr)
· All resolved
Fairway Estates Inc
All resolved Groundwater 100 people served
1 violation (5yr)
· All resolved
Northwest Water
All resolved Groundwater 99 people served
1 violation (5yr)
· All resolved
Cornet Bay Heights Water Assn Inc
Groundwater 99 people served
8 violations (5yr)
Pheasant Farm Acres
Groundwater 95 people served
1 violation (5yr)
Sunset Development Comm Club
All resolved Groundwater 92 people served
6 violations (5yr)
· All resolved
Ahearn Water System
Groundwater 91 people served
0 violations
Pattons Retreat Water Assn
All resolved Groundwater 90 people served
5 violations (5yr)
· All resolved
Beachwood Water Company
9 health-based Groundwater 90 people served
11 violations (5yr)
· 9 health-based · All resolved
Summerland
Groundwater 85 people served
8 violations (5yr)
Fort Knox Mobile Home Park
All resolved Groundwater 79 people served
1 violation (5yr)
· All resolved
South Whidbey P&R Sports Complex
All resolved Groundwater 78 people served
10 violations (5yr)
· All resolved
Devries Road Community Assn
16 health-based Groundwater 76 people served
18 violations (5yr)
· 16 health-based · All resolved
Eastgate
8 health-based Groundwater 76 people served
20 violations (5yr)
· 8 health-based · All resolved
Sunset West
1 health-based Groundwater 75 people served
4 violations (5yr)
· 1 health-based · All resolved
Camano Lutheran Church
All resolved Groundwater 75 people served
1 violation (5yr)
· All resolved
Lakewood West Water Assn.
All resolved Groundwater 75 people served
2 violations (5yr)
· All resolved
Island Ptba Water System
2 health-based Groundwater 75 people served
8 violations (5yr)
· 2 health-based · All resolved
Davis Landing Water System
All resolved Groundwater 74 people served
1 violation (5yr)
· All resolved
Silver Lake Rd Acreage Tracts
Groundwater 73 people served
0 violations
Lead tested: 2.6 ppb (limit: 15 ppb) ✓
Greenbank Beach Water Co. Inc.
All resolved Groundwater 71 people served
1 violation (5yr)
· All resolved
Mabana Shores Association
All resolved Groundwater 68 people served
6 violations (5yr)
· All resolved
Bertelsen Winery Water System
All resolved Groundwater 67 people served
3 violations (5yr)
· All resolved
Fir Grove Mobile Park
All resolved Groundwater 65 people served
2 violations (5yr)
· All resolved
Polnell Heights Water Association
All resolved Groundwater 65 people served
1 violation (5yr)
· All resolved
Kineth Claim Community Water Assoc.
All resolved Groundwater 65 people served
3 violations (5yr)
· All resolved
Crescent Acres Water Association
All resolved Groundwater 64 people served
3 violations (5yr)
· All resolved
Campbells Glen
14 health-based Groundwater 62 people served
16 violations (5yr)
· 14 health-based · All resolved
Whidbey Highlands Water Assoc
All resolved Groundwater 62 people served
2 violations (5yr)
· All resolved
Silver Springs Estates Comm Assn
All resolved Groundwater 61 people served
1 violation (5yr)
· All resolved
Suburban Mobile Park
1 health-based Groundwater 60 people served
7 violations (5yr)
· 1 health-based · All resolved
Adams Rd Community Assn
All resolved Groundwater 59 people served
1 violation (5yr)
· All resolved
Sky Meadows Community Assoc.
Groundwater 58 people served
0 violations
Norcliffe Water Association
All resolved Groundwater 57 people served
2 violations (5yr)
· All resolved
Useless Bay Shores
All resolved Groundwater 56 people served
1 violation (5yr)
· All resolved
Shangri-La Shores Inc
Groundwater 56 people served
0 violations
Lead tested: 2.2 ppb (limit: 15 ppb) ✓
Sleeper Acres Comm. Assoc. Inc.
All resolved Groundwater 56 people served
2 violations (5yr)
· All resolved
Deer Lake Estates
All resolved Groundwater 55 people served
2 violations (5yr)
· All resolved
West View Apartments Water System
Groundwater 54 people served
0 violations
Lead tested: 0.9 ppb (limit: 15 ppb) ✓
Pondilla Estates Community Assoc
All resolved Groundwater 52 people served
2 violations (5yr)
· All resolved
Bets Water System
Groundwater 50 people served
48 violations (5yr)
Taylor Road Water System
All resolved Groundwater 50 people served
13 violations (5yr)
· All resolved
Island Co Courthouse Annex Camano
Groundwater 48 people served
0 violations
Deception Pass Marina Inc
All resolved Groundwater 46 people served
2 violations (5yr)
· All resolved
North Beverly Beach Association
All resolved Groundwater 46 people served
1 violation (5yr)
· All resolved
Island County Road Dist-Bayview
Groundwater 45 people served
0 violations
Woodglen Prd Water System
All resolved Groundwater 40 people served
2 violations (5yr)
· All resolved
Eagles Nest Water System
Purchased surface water 40 people served
0 violations
Evergreen Water System Inc
All resolved Groundwater 40 people served
1 violation (5yr)
· All resolved
Ledgewood Beach #3
Groundwater 39 people served
0 violations
West Beach Road Association
All resolved Groundwater 37 people served
1 violation (5yr)
· All resolved
Ryans House For Youth
All resolved Groundwater 36 people served
4 violations (5yr)
· All resolved
Doyle Water Association
All resolved Groundwater 36 people served
7 violations (5yr)
· All resolved
Maple Hill Park
1 health-based Groundwater 35 people served
3 violations (5yr)
· 1 health-based · All resolved
Rockaway Beach Community Assn
Groundwater 35 people served
61 violations (5yr)
Lead tested: 0 ppb (limit: 15 ppb) ✓
Leisure Acres Water Association
All resolved Groundwater 35 people served
5 violations (5yr)
· All resolved
Wildes Grove Community Water Sys
Groundwater 33 people served
21 violations (5yr)
Georgetown Water Association
1 health-based Groundwater 32 people served
4 violations (5yr)
· 1 health-based
Lead tested: 0 ppb (limit: 15 ppb) ✓
Care Free Acres
All resolved Groundwater 30 people served
2 violations (5yr)
· All resolved
Little Valley Apts.
All resolved Groundwater 30 people served
2 violations (5yr)
· All resolved
Koontz Ranch Water System
Groundwater 30 people served
3 violations (5yr)
Lead tested: 3.4 ppb (limit: 15 ppb) ✓
Lawana Beach
Groundwater 30 people served
0 violations
Hillcrest Homestead Tracts Water
Groundwater 29 people served
0 violations
Eaglecrest Water & Road Association
Groundwater 28 people served
2 violations (5yr)
Timaru Community Water Association
All resolved Groundwater 27 people served
3 violations (5yr)
· All resolved
Pacific Rim Institute
All resolved Groundwater 26 people served
7 violations (5yr)
· All resolved
Lead tested: 0 ppb (limit: 15 ppb) ✓
Harrington Lagoon Water Assn
All resolved Groundwater 26 people served
1 violation (5yr)
· All resolved
Liberty Market Water Supply
All resolved Groundwater 25 people served
2 violations (5yr)
· All resolved
Sara Vista
Groundwater 25 people served
0 violations
Island Transit
Groundwater 25 people served
0 violations
Polnell Landing Water Assoc.
Groundwater 24 people served
5 violations (5yr)
Lead tested: 1.9 ppb (limit: 15 ppb) ✓
Mutiny Bay Riviera
Groundwater 23 people served
0 violations
Ships Pass Water Association
Groundwater 22 people served
0 violations
Glenwood Beach Water Assn
Groundwater 20 people served
0 violations
Honeymoon Bay Vista
All resolved Groundwater 19 people served
2 violations (5yr)
· All resolved
Keystone Motel
Groundwater 18 people served
0 violations
Wildlife Haven Water System
Groundwater 18 people served
0 violations
Hovde Water System
Groundwater 8 people served
0 violations
Sterling Heights #2 Water System
Groundwater 8 people served
0 violations
Sterling Heights Water System
Groundwater 4 people served
0 violations
Good Shepherd Assembly Of God W.S.
Groundwater 4 people served
0 violations
Turkey Breeder Farm Water System
Groundwater 2 people served
0 violations
Contaminants Found
NitrateHealth-Based
At high levels, nitrate can cause blue baby syndrome in infants.
96 violations
All resolved
TTHMHealth-Based
68 violations
All resolved
ArsenicHealth-Based
A naturally occurring element that can cause cancer and other health effects at high levels.
63 violations
All resolved
Total Haloacetic Acids (HAA5)Health-Based
57 violations
All resolved
Revised Total Coliform RuleHealth-Based
Missed testing deadlines — not a detection of bacteria.
51 violations
All resolved
Consumer Confidence RuleMonitoring
Annual water quality report delivery requirement.
59 violations
Has active
Lead and Copper RuleMonitoring
Lead and copper testing requirement. Lead exposure can cause developmental harm in children.
15 violations
Has active
trans-1,2-DichloroethyleneMonitoring
4 violations
All resolved
Vinyl chlorideMonitoring
4 violations
All resolved
1,1-DichloroethyleneMonitoring
4 violations
All resolved
cis-1,2-DichloroethyleneMonitoring
4 violations
All resolved
TolueneMonitoring
4 violations
All resolved
StyreneMonitoring
4 violations
All resolved
Carbon tetrachlorideMonitoring
4 violations
All resolved
TetrachloroethyleneMonitoring
4 violations
All resolved
o-DichlorobenzeneMonitoring
4 violations
All resolved
CHLOROBENZENEMonitoring
4 violations
All resolved
1,2,4-TrichlorobenzeneMonitoring
4 violations
All resolved
DICHLOROMETHANEMonitoring
4 violations
All resolved
TrichloroethyleneMonitoring
4 violations
All resolved
p-DichlorobenzeneMonitoring
4 violations
All resolved
1,2-DichloroethaneMonitoring
4 violations
All resolved
EthylbenzeneMonitoring
4 violations
All resolved
BenzeneMonitoring
4 violations
All resolved
1,2-DichloropropaneMonitoring
4 violations
All resolved
1,1,1-TrichloroethaneMonitoring
4 violations
All resolved
1,1,2-TrichloroethaneMonitoring
4 violations
All resolved
PicloramMonitoring
3 violations
All resolved
2,4,5-TPMonitoring
3 violations
All resolved
DinosebMonitoring
3 violations
All resolved
PentachlorophenolMonitoring
3 violations
All resolved
DalaponMonitoring
3 violations
All resolved
LASSOMonitoring
2 violations
All resolved
EndrinMonitoring
2 violations
All resolved
AtrazineMonitoring
2 violations
All resolved
HEXACHLOROBENZENEMonitoring
2 violations
All resolved
Di(2-ethylhexyl) phthalateMonitoring
2 violations
All resolved
BHC-GAMMAMonitoring
2 violations
All resolved
HeptachlorMonitoring
2 violations
All resolved
HexachlorocyclopentadieneMonitoring
2 violations
All resolved
Di(2-ethylhexyl) adipateMonitoring
2 violations
All resolved
ChlordaneMonitoring
2 violations
All resolved
SimazineMonitoring
2 violations
All resolved
Heptachlor epoxideMonitoring
2 violations
All resolved
Benzo(a)pyreneMonitoring
2 violations
All resolved
ToxapheneMonitoring
2 violations
All resolved
MethoxychlorMonitoring
2 violations
All resolved
Lead & Copper Levels
Lead (Pb)
Within limit0 ppb measured
Action level: 15 ppb
Sampled: Jan 2025
How Does This Compare?
Coupeville (98239) has more violations than 100% of US ZIP codes. The national average is 18.87 violations per ZIP over 5 years. This ZIP has 556.
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.
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. This is general educational information, not an endorsement of any specific product.