Is Lafayette tap water safe to drink?

Yes with good quality

Lafayette'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
4.5 GPG
Hardness
Not detected
PFAS

2 Issues Detected in Lafayette

Moderate Chlorine Level

Chlorine within EPA limits but may affect taste.

Chlorine info for Lafayette

Arsenic Approaching Limit (0.3 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Lafayette
Louisiana

705,017,050,370,506 · Groundwater

Lafayette Water Quality Report (2026)

Low Risk Updated March 2026 126,848 residents
See Best Filters for Lafayette
82
Purity Score

Lafayette's drinking water is sourced from Groundwater and treated by Lafayette Utilities System. This analysis covers PFAS testing, hardness, chlorine levels, lead risk, and overall safety.

Contaminant Levels

PFAS
ND
Lead
3.2 ppb
Nitrate
0.8 mg/L
Arsenic
0.3 mg/L
Hardness
4.5 gpg

Health Insights

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

Score

82 /100
Good
"Good" threshold (70)

Lafayette tap water is sourced from Groundwater and treated by Lafayette Utilities System. Overall purity score: 82/100 (Good). Updated for 2026.

Fix Your Water

Best filters matched to Lafayette's 2 issues.

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Explore Lafayette Water Data

PFAS in LafayetteForever chemicals
Lead in LafayetteLead risk
Lafayette Hard WaterHardness data
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Lafayette Water FAQ

Is Lafayette LA tap water safe to drink in 2026?
Lafayette 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 Lafayette LA use chlorine or chloramine for disinfection?
Lafayette uses chloramine as the primary disinfectant with a residual level of 1.6 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 Lafayette LA water and what is the TDS level?
Lafayette water hardness is 4.5 grains per gallon (moderate) with a TDS of 185 ppm (fair). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Lafayette LA drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Lafayette drinking water.
What is the best water filter for Lafayette?
Based on Lafayette's water profile, we recommend the Clearly Filtered Water Pitcher. Lafayette has elevated chlorine residuals. An under-sink carbon filter removes chlorine and disinfection byproducts at the tap.

Nearby Reports

New OrleansLouisiana — 54/100Baton RougeLouisiana — 67/100KennerLouisiana — 67/100ShreveportLouisiana — 82/100Lake CharlesLouisiana — 82/100

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Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Lafayette Utilities System CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

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