Is Olympia tap water safe to drink?

Yes with good quality

Olympia's tap water meets all EPA standards and scores well on our analysis. It is generally safe to drink though filtration can improve taste and provide extra precaution.

85/100
Purity Score
1
Issues Found
3 GPG
Hardness
Not detected
PFAS

1 Issue Detected in Olympia

Arsenic Approaching Limit (0.1 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Olympia
Washington

985,019,850,298,506 · McAllister Springs groundwater

Olympia, WA Water Quality Report

Low Risk Updated March 2026 55,605 residents
See Best Filters for Olympia
85
Purity Score

Contaminant Levels

PFAS
ND
Lead
1 ppb
Nitrate
0.3 mg/L
Arsenic
0.1 mg/L
Hardness
3 gpg

Health Insights

  • 1
    Olympia's water meets current EPA standards. Filtration can improve taste and provide extra safety.

Score

85 /100
Excellent
"Good" threshold (70)

Olympia tap water is sourced from McAllister Springs groundwater and treated by City of Olympia Water Resources. Overall purity score: 85/100 (Excellent). Updated for 2026.

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Olympia Water FAQ

Is Olympia WA tap water safe to drink in 2026?
Olympia tap water meets EPA federal drinking water standards and scores 85/100 (Excellent) on PurityMap for 2026. For most healthy adults the water is considered safe but point-of-use filtration adds an important layer of protection.
Does Olympia WA use chlorine or chloramine for disinfection?
Olympia uses chlorine as the primary disinfectant with a residual level of 0.7 ppm. Standard activated carbon filters including pitcher filters are effective at removing free chlorine taste and odor.
How hard is Olympia WA water and what is the TDS level?
Olympia water hardness is 3.0 grains per gallon (soft) with a TDS of 105 ppm (good). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Olympia WA drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Olympia drinking water.
What is the best water filter for Olympia?
Based on Olympia's water profile, we recommend the Clearly Filtered Water Pitcher. Olympia water scores well overall. A pitcher filter provides extra precaution and improves taste for drinking and cooking.

Nearby Reports

BellinghamWashington — 85/100SeattleWashington — 85/100SpokaneWashington — 85/100TacomaWashington — 85/100VancouverWashington — 85/100BellevueWashington — 85/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • City of Olympia Water Resources CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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