Is Oklahoma City tap water safe to drink?

Yes with good quality

Oklahoma City'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.

82/100
Purity Score
2
Issues Found
5.1 GPG
Hardness
Not detected
PFAS

2 Issues Detected in Oklahoma City

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Oklahoma City

Arsenic Approaching Limit (0.5 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Oklahoma City
Oklahoma

731,017,310,273,103 · Canton Hefner Overholser and Stanley Draper lakes

Water Quality in Oklahoma City, OK (2026)

Low Risk Updated March 2026 681,054 residents
See Best Filters for Oklahoma City
82
Purity Score

This 2026 water quality report for Oklahoma City compiles data from EPA SDWIS, EWG testing records, and the Oklahoma City Water Utilities consumer confidence report. Scores, contaminant levels, and matched filter recommendations are below.

Contaminant Levels

PFAS
ND
Lead
2.5 ppb
Nitrate
0.8 mg/L
Arsenic
0.5 mg/L
Hardness
5.1 gpg

Health Insights

  • 1
    Chlorine levels may affect the taste of Oklahoma City's tap water. A carbon filter improves flavor.

Score

82 /100
Good
"Good" threshold (70)

Oklahoma City tap water is sourced from Canton Hefner Overholser and Stanley Draper lakes and treated by Oklahoma City Water Utilities. Overall purity score: 82/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Oklahoma City's 2 issues.

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Explore Oklahoma City Water Data

Forever Chemicals in Oklahoma CityPFAS water report
Lead Risk in Oklahoma CityLead water report
Oklahoma City Hardness ReportScale and minerals
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Oklahoma City Water FAQ

Is Oklahoma City OK tap water safe to drink in 2026?
Oklahoma City tap water meets EPA federal drinking water standards and scores 82/100 (Good) 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 Oklahoma City OK use chlorine or chloramine for disinfection?
Oklahoma City uses chloramine as the primary disinfectant with a residual level of 1.5 ppm. Chloramine is harder to remove than free chlorine and requires a catalytic carbon or reverse osmosis filter. Standard Brita-style pitchers will NOT remove chloramine.
How hard is Oklahoma City OK water and what is the TDS level?
Oklahoma City water hardness is 5.1 grains per gallon (moderate) with a TDS of 180 ppm (fair). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Oklahoma City OK drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Oklahoma City drinking water.

Nearby Reports

TulsaOklahoma — 82/100NormanOklahoma — 82/100Broken ArrowOklahoma — 82/100EdmondOklahoma — 82/100LawtonOklahoma — 82/100

All Oklahoma cities

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Oklahoma City Water Utilities CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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