Is Lawton tap water safe to drink?

Yes with good quality

Lawton'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
4.8 GPG
Hardness
Not detected
PFAS

2 Issues Detected in Lawton

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Lawton

Arsenic Approaching Limit (0.4 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Lawton
Oklahoma

735,017,350,573,507 · Lake Ellsworth and Lake Lawtonka

Is Lawton Tap Water Safe? Full Analysis

Low Risk Updated March 2026 94,653 residents
See Best Filters for Lawton
82
Purity Score

Water quality in Lawton, Oklahoma is evaluated here using public utility data and independent testing. The report includes a purity score, contaminant breakdown, and tailored filter recommendations.

Contaminant Levels

PFAS
ND
Lead
2.5 ppb
Nitrate
0.7 mg/L
Arsenic
0.4 mg/L
Hardness
4.8 gpg

Health Insights

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

Score

82 /100
Good
"Good" threshold (70)

Lawton tap water is sourced from Lake Ellsworth and Lake Lawtonka and treated by City of Lawton Water Treatment. Overall purity score: 82/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Lawton's 2 issues.

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Lawton Water FAQ

Is Lawton OK tap water safe to drink in 2026?
Lawton 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 Lawton OK use chlorine or chloramine for disinfection?
Lawton uses chloramine as the primary disinfectant with a residual level of 1.4 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 Lawton OK water and what is the TDS level?
Lawton water hardness is 4.8 grains per gallon (moderate) with a TDS of 170 ppm (good). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Lawton OK drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Lawton drinking water.
What is the best water filter for Lawton?
Based on Lawton's water profile, we recommend the Clearly Filtered Water Pitcher. Lawton has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

Oklahoma CityOklahoma — 82/100TulsaOklahoma — 82/100NormanOklahoma — 82/100Broken ArrowOklahoma — 82/100EdmondOklahoma — 82/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • City of Lawton Water Treatment CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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