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WaterSafeCheck
Official EPA SDWIS Statewide AnalysisState Water Quality & Testing Directory

Rhode Island Drinking Water Quality & Testing Directory

Comprehensive EPA compliance records, water testing guidelines, and city rankings covering all 90 ZIP codes across Rhode Island

Quick Summary: Is Tap Water Safe in Rhode Island?

Drinking water in Rhode Island receives an average composite safety score of 61/100 based on EPA Safe Drinking Water Act records. Approximately 0% of monitored ZIP codes earn an "A" grade. Water sources are 60% surface water and 40% groundwater, resulting in Hard to Very Hard mineral hardness across the state.

Total ZIP Codes

90

Health Violations (5yr)

73

Statewide Avg Score

61/100

High Lead Risk Areas

75.6%

Overview: Drinking Water in Rhode Island

Drinking water quality in Rhode Island averages a composite safety score of 61/100 across its 90 monitored ZIP codes. Approximately 0% of ZIP codes in the state receive an "A" grade, while 2% receive an "F" grade. Environmental standards are enforced by Rhode Island Department of Health.

Surface Water

60%

of ZIP codes

Total Violations

462

5-year record

Grade A ZIPs

0

0% of state

Grade F ZIPs

2

2% of state

Water Quality Grade Distribution in Rhode Island

How do Rhode Island's 90 ZIP codes stack up by water quality grade?

A
0 ZIP codes0%
B
22 ZIP codes24%
C
38 ZIP codes42%
D
28 ZIP codes31%
F
2 ZIP codes2%

Popular Cities in Rhode Island

Click any city to view ZIP code-level water quality reports

Providence

12 ZIPs

C

Warwick

4 ZIPs

C

Pawtucket

3 ZIPs

B

Cranston

3 ZIPs

D

Newport

2 ZIPs

B

Wakefield

2 ZIPs

C

Adamsville

1 ZIP

C

Albion

1 ZIP

C

Ashaway

1 ZIP

C

Barrington

1 ZIP

C

Block Island

1 ZIP

C

Bradford

1 ZIP

D

Bristol

1 ZIP

B

Carolina

1 ZIP

D

Charlestown

1 ZIP

D

Chepachet

1 ZIP

B

Clayville

1 ZIP

D

Coventry

1 ZIP

C

West Greenwich

1 ZIP

C

East Greenwich

1 ZIP

F

Exeter

1 ZIP

C

Fiskeville

1 ZIP

D

Forestdale

1 ZIP

D

Foster

1 ZIP

D

Glendale

1 ZIP

B

Greene

1 ZIP

C

Greenville

1 ZIP

B

Harmony

1 ZIP

D

Harrisville

1 ZIP

C

Hope

1 ZIP

D

Hope Valley

1 ZIP

C

Hopkinton

1 ZIP

C

Jamestown

1 ZIP

B

Kenyon

1 ZIP

D

Little Compton

1 ZIP

C

Manville

1 ZIP

C

Mapleville

1 ZIP

D

Middletown

1 ZIP

B

North Kingstown

1 ZIP

D

North Scituate

1 ZIP

C

City A-Z Directory — Rhode Island

Browse water quality reports for every town and city in Rhode Island.

A
AdamsvilleAlbionAshaway
B
BarringtonBlock IslandBradfordBristol
C
CarolinaCentral FallsCharlestownChepachetClayvilleCoventryCranstonCumberland
E
East GreenwichEast ProvidenceExeter
F
FiskevilleForestdaleFoster
G
GlendaleGreeneGreenville
H
HarmonyHarrisvilleHopeHope ValleyHopkinton
J
JamestownJohnston
K
KenyonKingston
L
LincolnLittle Compton
M
ManvilleMaplevilleMiddletown
N
NarragansettNewportNorth KingstownNorth ProvidenceNorth ScituateNorth Smithfield
O
Oakland
P
PascoagPawtucketPeace DalePortsmouthProvidencePrudence Island
R
RiversideRockvilleRumford
S
SaunderstownShannockSlatersvilleSlocumSmithfield
T
Tiverton
W
WakefieldWarrenWarwickWest GreenwichWest KingstonWest WarwickWesterlyWood River JunctionWoonsocketWyoming

🏆 Highest Rated ZIP Codes in Rhode Island

02885Warren
84/100
B
02826Glendale
83/100
B
02828Greenville
83/100
B
02861Pawtucket
83/100
B
02862Pawtucket
83/100
B

⚠ Lowest Rated ZIP Codes in Rhode Island

02882Narragansett
33/100
F
02818East Greenwich
35/100
F
02812Carolina
40/100
D
02823Fiskeville
40/100
D
02873Rockville
40/100
D

Common Drinking Water Contaminants in Rhode Island

The following are common regulated contaminants found in Rhode Island drinking water based on EPA violation records. Click any contaminant to learn about EPA safety limits and health effects.

Haloacetic Acids (HAA5)Consumer Confidence Report RuleGross AlphaStage 1 DBP RuleLeadContaminant 0700Chlorine residual

Source: EPA Safe Drinking Water Act Maximum Contaminant Level regulations. For the complete list of regulated contaminants and MCLs, see the Water Quality Safety Guide.

Frequently Asked Questions — Rhode Island Drinking Water

Is tap water generally safe to drink in Rhode Island?+
Yes, for the majority of residents, tap water in Rhode Island is treated and regulated. However, compliance varies by city. State-wide, 0 ZIP codes receive an "A" grade, while 2 receive an "F". Search your specific ZIP code to see your local utility's record.
How do I test water quality or well water in Rhode Island?+
Residents in Rhode Island can test their tap or well water by contacting laboratories certified by Rhode Island Department of Health or ordering an EPA-standard laboratory water testing kit. Annual testing is recommended for private wells to test for bacteria, nitrates, and heavy metals.
What are the biggest water quality issues in Rhode Island?+
The primary issues include managing 73 health-based violations state-wide and resolving infrastructure age. 75.6% of ZIP codes in the state have a high probability of lead exposure risk due to pre-1986 piping.
Who regulates and enforces drinking water standards in Rhode Island?+
Drinking water in Rhode Island is regulated by Rhode Island Department of Health under a primacy agreement with the U.S. EPA.
Where does Rhode Island get its drinking water?+
Approximately 60% of monitored areas in Rhode Island rely on surface water sources (lakes/rivers), while the rest use groundwater aquifers.
How do I find the official water quality report for my home in Rhode Island?+
Search your ZIP code on our site to view data compiled from EPA records, or contact your local utility for their annual Consumer Confidence Report (CCR).
View All 90 ZIP Codes in Rhode Island

Browse EPA water quality data for every monitored ZIP code. For faster results, use the search bar above.

028010280202804028060280702808028090281202813028140281502816028170281802822028230282402825028260282702828028290283002831028320283302835028360283702838028390284002841028420285202857028580285902860028610286202863028640286502871028720287302874028750287602877028780287902880028810288202883028850288602887028880288902891028920289302894028950289602898029010290202903029040290502906029070290802909029100291102912029140291502916029170291802919029200292102940

All 90 ZIP codes in Rhode Island are actively monitored under the EPA Safe Drinking Water Act.