Water hardness in Oregon

Typical Oregon tap water
24mg/L
1.4gpg
Soft

Population-weighted middle value across 90 Oregon cities in the dataset

People with hard or very hard water
6%
Hardest
Medford 145
Softest
Salem 16

We have hardness numbers for 53 Oregon cities; 12 of them are county estimates rather than utility figures. Each city page adds the water system's EPA violation record and a softener size for a typical household.

Every Oregon city on the hardness scale
SoftModerately hardHardVery hard060120180240300360+Portland: 20 mg/LSalem: 16 mg/LEugene: 19 mg/LGresham: 70 mg/LHillsboro: 24 mg/LBend: 32 mg/LBeaverton: 35 mg/LMedford: 145 mg/LCorvallis: 27 mg/LSpringfield: 18 mg/LTigard: 22 mg/LAlbany: 25 mg/LAloha: 23 mg/LLake Oswego: 26 mg/LKeizer: 95 mg/LRedmond: 32 mg/LOregon City: 23 mg/LWoodburn: 84 mg/LBethany: 23 mg/LHappy Valley: 24 mg/LTualatin: 77 mg/LWilsonville: 24 mg/LForest Grove: 42 mg/LNewberg: 54 mg/LWest Linn: 23 mg/LRoseburg: 66 mg/LHayesville: 16 mg/LMilwaukie: 120 mg/LAshland: 31 mg/LSherwood: 77 mg/LLebanon: 25 mg/LCedar Mill: 23 mg/LOak Grove: 23 mg/LFour Corners: 16 mg/LTroutdale: 70 mg/LThe Dalles: 78 mg/LOatfield: 56 mg/LGladstone: 23 mg/LOak Hills: 35 mg/LFairview: 70 mg/LSanta Clara: 19 mg/LBull Mountain: 22 mg/LRockcreek: 23 mg/LCedar Hills: 35 mg/LRiver Road: 19 mg/LWest Haven-Sylvan: 21 mg/LJennings Lodge: 23 mg/LSeaside: 16 mg/LWest Slope: 35 mg/LGarden Home-Whitford: 23 mg/LRaleigh Hills: 35 mg/LDeschutes River Woods: 32 mg/LMarlene Village: 35 mg/LPortlandSalemEugeneGreshamMedfordSoftMod.HardVery hard060120180240300360+Portland: 20 mg/LSalem: 16 mg/LEugene: 19 mg/LGresham: 70 mg/LHillsboro: 24 mg/LBend: 32 mg/LBeaverton: 35 mg/LMedford: 145 mg/LCorvallis: 27 mg/LSpringfield: 18 mg/LTigard: 22 mg/LAlbany: 25 mg/LAloha: 23 mg/LLake Oswego: 26 mg/LKeizer: 95 mg/LRedmond: 32 mg/LOregon City: 23 mg/LWoodburn: 84 mg/LBethany: 23 mg/LHappy Valley: 24 mg/LTualatin: 77 mg/LWilsonville: 24 mg/LForest Grove: 42 mg/LNewberg: 54 mg/LWest Linn: 23 mg/LRoseburg: 66 mg/LHayesville: 16 mg/LMilwaukie: 120 mg/LAshland: 31 mg/LSherwood: 77 mg/LLebanon: 25 mg/LCedar Mill: 23 mg/LOak Grove: 23 mg/LFour Corners: 16 mg/LTroutdale: 70 mg/LThe Dalles: 78 mg/LOatfield: 56 mg/LGladstone: 23 mg/LOak Hills: 35 mg/LFairview: 70 mg/LSanta Clara: 19 mg/LBull Mountain: 22 mg/LRockcreek: 23 mg/LCedar Hills: 35 mg/LRiver Road: 19 mg/LWest Haven-Sylvan: 21 mg/LJennings Lodge: 23 mg/LSeaside: 16 mg/LWest Slope: 35 mg/LGarden Home-Whitford: 23 mg/LRaleigh Hills: 35 mg/LDeschutes River Woods: 32 mg/LMarlene Village: 35 mg/LPortlandSalem

Dot size follows population. Tap a dot for the city page.

42Soft
10Moderately hard
1Hard
0Very hard

Hardest water in Oregon

  1. Medford145
  2. Milwaukie120
  3. Keizer95
  4. Woodburn84
  5. The Dalles78
  6. Tualatin77
  7. Sherwood77
  8. Gresham70

Softest water in Oregon

  1. Seaside16
  2. Four Corners16
  3. Hayesville16
  4. Salem16
  5. Springfield18
  6. River Road19
  7. Santa Clara19
  8. Eugene19

All cities in Oregon

Citymg/LgpgClassDataEPA health violations
Portland201.1SoftUtility report1
Salem160.9SoftUtility report0
Eugene191.1SoftUtility report0
Gresham704.1Moderately hardUtility report0
Hillsboro241.4SoftUtility report0
Bend321.9SoftUtility report0
Beaverton352.0SoftUtility report0
Medford1458.5HardCounty estimate0
Corvallis271.6SoftUtility report0
Springfield181.1SoftCounty estimate0
Tigard221.3SoftUtility report0
Albany251.5SoftCounty estimate0
Aloha231.3SoftUtility report0
Lake Oswego261.5SoftUtility report0
Keizer955.6Moderately hardUtility report0
Redmond321.9SoftCounty estimate0
Oregon City231.3SoftUtility report0
Woodburn844.9Moderately hardCounty estimate0
Bethany231.3SoftUtility report0
Happy Valley241.4SoftCounty estimate–
Tualatin774.5Moderately hardCounty estimate0
Wilsonville241.4SoftCounty estimate0
Forest Grove422.4SoftUtility report0
Newberg543.1SoftCounty estimate0
West Linn231.3SoftUtility report0
Roseburg663.8Moderately hardCounty estimate0
Hayesville160.9SoftUtility report0
Milwaukie1207.0Moderately hardUtility report0
Ashland311.8SoftUtility report0
Sherwood774.5Moderately hardCounty estimate0
Lebanon251.5SoftCounty estimate0
Cedar Mill231.3SoftUtility report0
Oak Grove231.3SoftUtility report0
Four Corners160.9SoftUtility report0
Troutdale704.1Moderately hardUtility report0
The Dalles784.6Moderately hardUtility report0
Oatfield563.3SoftUtility report0
Gladstone231.3SoftUtility report8
Oak Hills352.0SoftUtility report0
Fairview704.1Moderately hardUtility report1
Santa Clara191.1SoftUtility report0
Bull Mountain221.3SoftUtility report0
Rockcreek231.3SoftUtility report0
Cedar Hills352.0SoftUtility report0
River Road191.1SoftUtility report0
West Haven-Sylvan211.2SoftUtility report1
Jennings Lodge231.3SoftUtility report0
Seaside160.9SoftUtility report0
West Slope352.0SoftUtility report1
Garden Home-Whitford231.3SoftUtility report0
Raleigh Hills352.0SoftUtility report0
Deschutes River Woods321.9SoftUtility report0
Marlene Village352.0SoftUtility report0

Questions

Is Oregon water hard?

The typical Oregon resident gets about 24 mg/L (1.4 gpg), which is soft. About 6% of people in the cities we track have hard or very hard water.

Which city in Oregon has the hardest water?

Among 53 cities with pages here, Medford is highest at 145 mg/L.

Which city in Oregon has the softest water?

Salem, at 16 mg/L.

Other states

Hardness data: TapWaterData US Water Hardness, CC BY 4.0. Population: US Census Bureau. Violations: EPA ECHO. How we use them.