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WaterSafeCheck
Official EPA SDWIS Statewide AnalysisState Water Quality & Testing Directory

Oregon Drinking Water Quality & Testing Directory

Comprehensive EPA compliance records, water testing guidelines, and city rankings covering all 482 ZIP codes across Oregon

Quick Summary: Is Tap Water Safe in Oregon?

Drinking water in Oregon receives an average composite safety score of 78.1/100 based on EPA Safe Drinking Water Act records. Approximately 28% of monitored ZIP codes earn an "A" grade. Water sources are 61.6% surface water and 38.4% groundwater, resulting in Moderately Soft to Moderate mineral hardness across the state.

Total ZIP Codes

482

Health Violations (5yr)

241

Statewide Avg Score

78.1/100

High Lead Risk Areas

52.9%

Overview: Drinking Water in Oregon

Drinking water quality in Oregon averages a composite safety score of 78.1/100 across its 482 monitored ZIP codes. Approximately 28% of ZIP codes in the state receive an "A" grade, while 0% receive an "F" grade. Environmental standards are enforced by Oregon Health Authority.

Surface Water

61.6%

of ZIP codes

Total Violations

3,436

5-year record

Grade A ZIPs

133

28% of state

Grade F ZIPs

0

0% of state

Water Quality Grade Distribution in Oregon

How do Oregon's 482 ZIP codes stack up by water quality grade?

A
133 ZIP codes28%
B
242 ZIP codes50%
C
59 ZIP codes12%
D
48 ZIP codes10%
F
0 ZIP codes0%

Popular Cities in Oregon

Click any city to view ZIP code-level water quality reports

Portland

59 ZIPs

B

Salem

13 ZIPs

A

Beaverton

8 ZIPs

B

Eugene

7 ZIPs

A

Bend

6 ZIPs

A

Corvallis

4 ZIPs

A

Springfield

3 ZIPs

A

Grants Pass

3 ZIPs

B

Klamath Falls

3 ZIPs

B

Gresham

2 ZIPs

B

Lake Oswego

2 ZIPs

A

Hillsboro

2 ZIPs

B

Albany

2 ZIPs

A

Lincoln City

2 ZIPs

A

Roseburg

2 ZIPs

B

Medford

2 ZIPs

A

Antelope

1 ZIP

B

Aurora

1 ZIP

B

Beavercreek

1 ZIP

C

Boring

1 ZIP

A

Bridal Veil

1 ZIP

D

Brightwood

1 ZIP

A

Canby

1 ZIP

A

Cascade Locks

1 ZIP

B

Clackamas

1 ZIP

A

Clatskanie

1 ZIP

C

Colton

1 ZIP

A

Columbia City

1 ZIP

B

Corbett

1 ZIP

B

Donald

1 ZIP

A

Dufur

1 ZIP

B

Eagle Creek

1 ZIP

C

Estacada

1 ZIP

A

Fairview

1 ZIP

C

Gervais

1 ZIP

A

Gladstone

1 ZIP

B

Government Camp

1 ZIP

A

Grass Valley

1 ZIP

B

Hood River

1 ZIP

B

Hubbard

1 ZIP

A

City A-Z Directory — Oregon

Browse water quality reports for every town and city in Oregon.

A
AdamsAdelAdrianAgnessAlbanyAlleganyAlseaAlvadoreAmityAntelopeArch CapeArlingtonArockAshlandAshwoodAstoriaAthenaAumsvilleAuroraAzalea
B
Baker CityBandonBanksBatesBay CityBeattyBeaverBeavercreekBeavertonBendBlachlyBlodgettBlue RiverBlyBoardmanBonanzaBoringBridal VeilBridgeportBrightwoodBroadbentBroganBrookingsBrothersBrownsvilleBurnsButte FallsBuxton
C
Camas ValleyCamp ShermanCanbyCannon BeachCanyon CityCanyonvilleCarltonCascade LocksCascadiaCave JunctionCentral PointChemultCheshireChiloquinChristmas ValleyClackamasClatskanieCloverdaleColtonColumbia CityCondonCoos BayCoquilleCorbettCorneliusCorvallisCottage GroveCoveCrabtreeCraneCrater LakeCrawfordsvilleCrescentCreswellCulver
D
DairyDallasDamascusDays CreekDaytonDayvilleDeadwoodDeer IslandDepoe BayDetroitDexterDiamondDillardDonaldDorenaDrainDrewseyDufurDundeeDurkee
E
Eagle CreekEagle PointEchoEddyvilleElginElktonElmiraEnterpriseEstacadaEugene
F
FairviewFall CreekFalls CityFieldsFirst Consumers Nat BankFlorenceForest GroveFort KlamathFort RockFossilFosterFrenchglen
G
Gales CreekGardinerGaribaldiGastonGatesGen ElectricGervaisGilchristGladstoneGlendaleGleneden BeachGlideGold BeachGold HillGovernment CampGrand RondeGrants PassGrass ValleyGresham
H
HainesHalfwayHalseyHammondHappy ValleyHarperHarrisburgHeboHelixHeppnerHerefordHermistonHillsboroHinesHood RiverHubbardHuntington
I
IdanhaIdleyld ParkImblerImnahaIndependenceIoneIronsideIrrigon
J
JacksonvilleJamiesonJeffersonJohn DayJordan ValleyJosephJunction CityJuntura
K
KeizerKenoKentKerbyKimberlyKlamath Falls
L
La GrandeLa PineLafayetteLake OswegoLakesideLakeviewLangloisLebanonLexingtonLincoln CityLogsdenLong CreekLoraneLostineLowellLyons
M
MadrasMalinManningManzanitaMapletonMarcolaMarylhurstMaupinMcminnvilleMeachamMedfordMehamaMerlinMerrillMidlandMikkaloMill CityMilton FreewaterMitchellMolallaMonmouthMonroeMonumentMoroMosierMount AngelMount Hood ParkdaleMount VernonMulinoMurphyMyrtle CreekMyrtle Point
N
NehalemNeotsuNeskowinNetartsNew Pine CreekNewbergNewportNorth BendNorth PlainsNorth PowderNotiNyssa
O
O BrienOaklandOakridgeOceansideOdellOntarioOphirOregon CityOtisOtter RockOxbow
P
Pacific CityPaisleyPaulinaPendletonPhilomathPhoenixPilot RockPleasant HillPlushPort OrfordPortlandPostPowell ButtePowersPrairie CityPrincetonPrinevilleProspect
R
RainierRedmondReedsportRhododendronRichlandRickreallRiddleRileyRiversideRockaway BeachRogue RiverRoseburgRufus
S
Saint BenedictSaint HelensSaint PaulSalemSandyScappooseScioScotts MillsScottsburgSeal RockSeasideSelmaSenecaShady CoveShanikoSheddSheridanSherwoodSiletzSilver LakeSilvertonSistersSixesSouth BeachSprague RiverSpraySpringfieldStanfieldState Farm InsStaytonSublimitySummer LakeSummervilleSumpterSutherlinSweet HomeSwisshome
T
TalentTangentTenmileTerrebonneThe DallesTidewaterTillamookTillerTimberToledoTolovana ParkTrailTroutdaleTualatinTurnerTygh Valley
U
UkiahUmatillaUmpquaUnionUnityUs BankUs West
V
ValeVenetaVernoniaVida
W
WaldportWallowaWaltervilleWaltonWarm SpringsWarrenWarrentonWascoWedderburnWelchesWest LinnWestfallWestfirWestlakeWestonWheelerWhite CityWilburWildervilleWillaminaWilliamsWilsonvilleWinchesterWinstonWolf CreekWoodburn
Y
YachatsYamhillYoncalla

🏆 Highest Rated ZIP Codes in Oregon

97020Donald
99/100
A
97447Idleyld Park
99/100
A
97756Redmond
99/100
A
97028Government Camp
98/100
A
97032Hubbard
98/100
A

⚠ Lowest Rated ZIP Codes in Oregon

97901Adrian
50/100
D
97010Bridal Veil
53/100
D
97033Kent
53/100
D
97040Mosier
53/100
D
97041Mount Hood Parkdale
53/100
D

Common Drinking Water Contaminants in Oregon

The following are common regulated contaminants found in Oregon drinking water based on EPA violation records. Click any contaminant to learn about EPA safety limits and health effects.

Stage 2 DBP RuleE. coliConsumer Confidence Report RuleStage 1 DBP RuleFecal ColiformContaminant 0700Total Trihalomethanes (TTHM)Haloacetic Acids (HAA5)

Source: EPA Safe Drinking Water Act Maximum Contaminant Level regulations. For the complete list of regulated contaminants and MCLs, see the Water Quality Safety Guide.

Frequently Asked Questions — Oregon Drinking Water

Is tap water generally safe to drink in Oregon?+
Yes, for the majority of residents, tap water in Oregon is treated and regulated. However, compliance varies by city. State-wide, 133 ZIP codes receive an "A" grade, while 0 receive an "F". Search your specific ZIP code to see your local utility's record.
How do I test water quality or well water in Oregon?+
Residents in Oregon can test their tap or well water by contacting laboratories certified by Oregon Health Authority or ordering an EPA-standard laboratory water testing kit. Annual testing is recommended for private wells to test for bacteria, nitrates, and heavy metals.
What are the biggest water quality issues in Oregon?+
The primary issues include managing 241 health-based violations state-wide and resolving infrastructure age. 52.9% of ZIP codes in the state have a high probability of lead exposure risk due to pre-1986 piping.
Who regulates and enforces drinking water standards in Oregon?+
Drinking water in Oregon is regulated by Oregon Health Authority under a primacy agreement with the U.S. EPA.
Where does Oregon get its drinking water?+
Approximately 61.6% of monitored areas in Oregon rely on surface water sources (lakes/rivers), while the rest use groundwater aquifers.
How do I find the official water quality report for my home in Oregon?+
Search your ZIP code on our site to view data compiled from EPA records, or contact your local utility for their annual Consumer Confidence Report (CCR).
View All 482 ZIP Codes in Oregon

Browse EPA water quality data for every monitored ZIP code. For faster results, use the search bar above.

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All 482 ZIP codes in Oregon are actively monitored under the EPA Safe Drinking Water Act.