Is Cranston tap water safe to drink?

Yes with good quality

Cranston'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
1.5 GPG
Hardness
Not detected
PFAS

1 Issue Detected in Cranston

Arsenic Approaching Limit (0.1 mg/L)

EPA limit is 0.010 mg/L.

Arsenic info for Cranston
Rhode Island

29,100,292,002,921 · Scituate Reservoir

Drinking Water in Cranston: 2026 Analysis

Low Risk Updated March 2026 82,934 residents
See Best Filters for Cranston
85
Purity Score

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

Contaminant Levels

PFAS
ND
Lead
2.5 ppb
Nitrate
0.3 mg/L
Arsenic
0.1 mg/L
Hardness
1.5 gpg

Health Insights

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

Score

85 /100
Excellent
"Good" threshold (70)

Cranston tap water is sourced from Scituate Reservoir and treated by Providence Water Supply Board. Overall purity score: 85/100 (Excellent). Updated for 2026.

Fix Your Water

Best filters matched to Cranston's 1 issue.

See Filters

Explore Cranston Water Data

Forever Chemicals in CranstonPFAS water report
Lead Risk in CranstonLead water report
Cranston Hardness ReportScale and minerals
Best FiltersFull comparison
Rhode IslandState rankings

Cranston Water FAQ

Is Cranston RI tap water safe to drink in 2026?
Cranston 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 Cranston RI use chlorine or chloramine for disinfection?
Cranston uses chloramine as the primary disinfectant with a residual level of 1.0 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 Cranston RI water and what is the TDS level?
Cranston water hardness is 1.5 grains per gallon (soft) with a TDS of 42 ppm (excellent). This level is unlikely to cause significant scale buildup in household plumbing.
Has PFAS been found in Cranston RI drinking water?
Based on available EPA UCMR5 monitoring data as of 2026 PFAS have not been detected above EPA advisory levels in Cranston drinking water.
What is the best water filter for Cranston?
Based on Cranston's water profile, we recommend the Clearly Filtered Water Pitcher. Cranston water scores well overall. A pitcher filter provides extra precaution and improves taste for drinking and cooking.

Nearby Reports

ProvidenceRhode Island — 85/100WarwickRhode Island — 85/100PawtucketRhode Island — 85/100

All Rhode Island cities

Explore Water Quality by State

Compare across all 50 US states

View All States

Data Sources

  • EPA SDWIS
  • EWG Tap Water Database
  • Providence Water Supply Board CCR
  • USGS monitoring data

PurityMap compiles public data. Updated March 2026.

© 2026 PurityMap. For informational purposes only.

Link copied!

Scroll to Top