STATE REPORT
RI
73 HEALTH VIOLATIONS
Rhode Island Water: 462 Violations — 90 ZIPs
90 ZIP codes · 76 water systems · IPC plumbing code · Updated 2026-06-03
Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-06-03
90
ZIP Codes
76
Water Systems
52
ZIPs with Violations
IPC
Plumbing Code
C · 61
Avg Safety Score
1
ZIPs Exceeding Lead Limit
37%
High Radon Risk (Zone 1)
#40
of 51 States
24%
ZIPs Rated A or B
58%
ZIPs with Violations
C
Rhode Island average: 61/100
— ranked #40 of 51 states.
6 points below the national average (67).
58% of ZIP codes have recorded violations.
Across multiple regions, Rhode Island drinking water compliance sits below the federal baseline — MCL exceedances are on record in several districts.
Score Distribution
How Rhode Island's 90 ZIP codes are distributed across safety grades.
85-10070-8455-6940-540-39
Home Safety Scores by State
F (0-49)
D (50-64)
C (65-74)
B (75-84)
A (85+)
Data: EPA SDWIS, FEMA NFIP, EPA Radon, USGS Earthquake Hazards, NIFC Wildfire • 2026-06-03
Top 5 Worst ZIP Codes
Top 10 Safest ZIP Codes in Rhode Island
Highest Home Safety Scores in the state.
| # | ZIP Code | City | County | Score | Grade |
|---|---|---|---|---|---|
| 1 | 02885 | Warren | Bristol | 84 | B |
| 2 | 02826 | Glendale | Providence | 83 | B |
| 3 | 02828 | Greenville | Providence | 83 | B |
| 4 | 02861 | Pawtucket | Providence | 83 | B |
| 5 | 02862 | Pawtucket | Providence | 83 | B |
| 6 | 02841 | Newport | Newport | 82 | B |
| 7 | 02809 | Bristol | Bristol | 80 | B |
| 8 | 02872 | Prudence Island | Newport | 79 | B |
| 9 | 02814 | Chepachet | Providence | 78 | B |
| 10 | 02859 | Pascoag | Providence | 78 | B |
10 Lowest-Scoring ZIP Codes in Rhode Island
| # | ZIP Code | City | County | Score | Grade | Violations |
|---|---|---|---|---|---|---|
| 1 | 02882 | Narragansett | Washington | 33 | F | 15 |
| 2 | 02818 | East Greenwich | Washington | 35 | F | 0 |
| 3 | 02893 | West Warwick | Kent | 40 | D | 0 |
| 4 | 02883 | Peace Dale | Washington | 40 | D | 0 |
| 5 | 02875 | Shannock | Washington | 40 | D | 0 |
| 6 | 02873 | Rockville | Washington | 40 | D | 0 |
| 7 | 02823 | Fiskeville | Kent | 40 | D | 0 |
| 8 | 02812 | Carolina | Washington | 40 | D | 0 |
| 9 | 02891 | Westerly | Washington | 41 | D | 3 |
| 10 | 02920 | Cranston | Providence | 45 | D | 0 |
County Rankings
Water quality breakdown by county. 5 counties with data in Rhode Island.
Loading county map…
F (0-49)
D (50-64)
C (65-74)
B (75-84)
A (85+)
County-level aggregation of ZIP code safety scores • EPA SDWIS, FEMA NFIP, EPA Radon, USGS, NIFC
| County | Avg Score | Grade | ZIPs | Best ZIP | Worst ZIP |
|---|---|---|---|---|---|
| Newport | 69 | C | 9 | 02841 (82) | 02837 (55) |
| Providence | 64 | C | 45 | 02826 (83) | 02920 (45) |
| Washington | 54 | D | 24 | 02881 (70) | 02882 (33) |
| Bristol | 73 | B | 3 | 02885 (84) | 02806 (55) |
| Kent | 52 | D | 9 | 02817 (64) | 02893 (40) |
Most Common Contaminants in Rhode Island
| Contaminant / Rule | Category | ZIPs Affected | Violations | Health Risk |
|---|---|---|---|---|
| Stage 1 DBP Rule | Treatment Technique | 27 | 78 | Yes |
| Surface Water Treatment Rule | Treatment Technique | 19 | 44 | No |
| Consumer Confidence Report Rule | Reporting | 19 | 36 | Yes |
| Haloacetic Acids (HAA5) | Disinfection Byproducts | 18 | 48 | Yes |
| Fecal Coliform | Microbiological | 18 | 33 | No |
| Lead and Copper Rule | Treatment Technique | 17 | 35 | No |
| Chlorite | Disinfection Byproducts | 16 | 22 | No |
| Lead | Inorganic | 15 | 16 | Yes |
Overview
We track water quality, weather alerts, plumbing regulations, and energy rebates for 90 ZIP codes across Rhode Island, covering 76 community water systems that serve approximately 1,012,454 people.
52 of 90 ZIP codes (58%) have recorded EPA violations. 73 health-based violations have been documented.
Plumbing Regulations
Rhode Island follows the International Plumbing Code (2015 edition).
- Plumbing code: IPC (2015)
- Homeowner DIY: Licensed plumber required
- Water heater permit: Required
- Annual backflow test: Required
Full Rhode Island regulations →
Areas with Most Violations
| ZIP Code | City | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|---|
| 02833 | Hopkinton | C | 43 | 5 | Lindhbrook Water Company |
| 02822 | Exeter | C | 37 | 5 | Shadow Woods at Deer Brook |
| 02886 | Warwick | D | 28 | 1 | Warwick-city of |
| 02887 | Warwick | C | 28 | 1 | Warwick-city of |
| 02888 | Warwick | D | 28 | 1 | Warwick-city of |
| 02889 | Warwick | D | 28 | 1 | Warwick-city of |
| 02878 | Tiverton | B | 20 | 1 | North Tiverton Fire District |
| 02804 | Ashaway | C | 19 | 1 | Bethel Village Water Assn |
| 02882 | Narragansett | F | 15 | 10 | Narragansett Water System-point Judith |
| 02825 | Foster | D | 12 | 4 | Abbey Lane Community Assn., Inc. |
Areas with No Violations
| ZIP Code | City | Safety Score | System | Population |
|---|---|---|---|---|
| 02801 | Adamsville | C | MEADOWLARK, INC. | 183 |
| 02802 | Albion | C | Lincoln Water Commission | 21,664 |
| 02806 | Barrington | C | BRISTOL COUNTY WATER AUTHORITY | 49,000 |
| 02808 | Bradford | D | Westerly Water Department | 35,298 |
| 02812 | Carolina | D | RICHMOND, TOWN OF | 2,671 |
| 02815 | Clayville | D | ABBEY LANE COMMUNITY ASSN., INC. | 45 |
| 02817 | West Greenwich | C | Kent County Water Authority | 88,779 |
| 02818 | East Greenwich | F | WARWICK-CITY OF | 73,289 |
| 02823 | Fiskeville | D | CNE - NEW LONDON TURNPIKE ENTRY POINT | 9,999 |
| 02824 | Forestdale | D | Slatersville Public Supply | 3,403 |
Home Safety Score
Average Home Safety Score for Rhode Island: C (61/100)
Lead & Copper
- Average lead level (90th percentile): 0.0060 mg/L (EPA action level: 0.015 mg/L)
- 1 ZIP code exceed the EPA lead action level
Radon Risk
- High risk (Zone 1): 33 ZIP codes (37%)
- Moderate risk (Zone 2): 54 ZIP codes
- Low risk (Zone 3): 3 ZIP codes
ZIP Code Reports for Rhode Island
Largest Communities
| ZIP Code | City | Population | Safety Grade | Violations |
|---|---|---|---|---|
| 02860 | Pawtucket | 478,890 | B | 1 |
| 02831 | Hope | 431,920 | D | 0 |
| 02915 | Riverside | 429,760 | C | 0 |
| 02920 | Cranston | 422,238 | D | 0 |
| 02921 | Cranston | 421,921 | C | 0 |
| 02917 | Smithfield | 355,561 | B | 3 |
| 02905 | Providence | 344,507 | C | 7 |
| 02904 | Providence | 343,968 | D | 7 |
| 02919 | Johnston | 342,642 | D | 0 |
| 02911 | North Providence | 342,602 | D | 0 |
| 02901 | Providence | 334,508 | C | 7 |
| 02902 | Providence | 334,508 | C | 7 |
| 02903 | Providence | 334,508 | C | 7 |
| 02906 | Providence | 334,508 | C | 7 |
| 02907 | Providence | 334,508 | C | 7 |
| 02908 | Providence | 334,508 | C | 7 |
| 02909 | Providence | 334,508 | C | 7 |
| 02912 | Providence | 334,508 | C | 7 |
| 02918 | Providence | 334,508 | C | 7 |
| 02940 | Providence | 334,508 | C | 7 |
Lowest Safety Scores
| ZIP Code | City | Score | Grade | Violations |
|---|---|---|---|---|
| 02882 | Narragansett | 33 | F | 15 |
| 02818 | East Greenwich | 35 | F | 0 |
| 02812 | Carolina | 40 | D | 0 |
| 02823 | Fiskeville | 40 | D | 0 |
| 02873 | Rockville | 40 | D | 0 |
Highest Safety Scores
| ZIP Code | City | Score | Grade | Violations |
|---|---|---|---|---|
| 02885 | Warren | 84 | B | 3 |
| 02826 | Glendale | 83 | B | 1 |
| 02828 | Greenville | 83 | B | 0 |
| 02861 | Pawtucket | 83 | B | 1 |
| 02862 | Pawtucket | 83 | B | 1 |
All 90 ZIP Codes in Rhode Island
- 02801 (Adamsville) [C]
- 02802 (Albion) [C]
- 02804 (Ashaway) [C] — 19 violations ⚠
- 02806 (Barrington) [C]
- 02807 (Block Island) [C] — 1 violation
- 02808 (Bradford) [D]
- 02809 (Bristol) [B] — 1 violation
- 02812 (Carolina) [D]
- 02863 (Central Falls) [C]
- 02813 (Charlestown) [D] — 9 violations ⚠
- 02814 (Chepachet) [B] — 3 violations
- 02815 (Clayville) [D]
- 02816 (Coventry) [C] — 8 violations
- 02910 (Cranston) [D]
- 02920 (Cranston) [D]
- 02921 (Cranston) [C]
- 02864 (Cumberland) [B] — 1 violation
- 02818 (East Greenwich) [F]
- 02914 (East Providence) [B]
- 02822 (Exeter) [C] — 37 violations ⚠
- 02823 (Fiskeville) [D]
- 02824 (Forestdale) [D]
- 02825 (Foster) [D] — 12 violations ⚠
- 02826 (Glendale) [B] — 1 violation
- 02827 (Greene) [C]
- 02828 (Greenville) [B]
- 02829 (Harmony) [D]
- 02830 (Harrisville) [C]
- 02831 (Hope) [D]
- 02832 (Hope Valley) [C] — 1 violation ⚠
- 02833 (Hopkinton) [C] — 43 violations ⚠
- 02835 (Jamestown) [B] — 4 violations
- 02919 (Johnston) [D]
- 02836 (Kenyon) [D]
- 02881 (Kingston) [B]
- 02865 (Lincoln) [B] — 1 violation
- 02837 (Little Compton) [C]
- 02838 (Manville) [C]
- 02839 (Mapleville) [D]
- 02842 (Middletown) [B] — 2 violations
- 02882 (Narragansett) [F] — 15 violations ⚠
- 02840 (Newport) [C] — 3 violations
- 02841 (Newport) [B] — 3 violations
- 02852 (North Kingstown) [D] — 11 violations ⚠
- 02911 (North Providence) [D]
- 02857 (North Scituate) [C]
- 02896 (North Smithfield) [B] — 9 violations ⚠
- 02858 (Oakland) [C]
- 02859 (Pascoag) [B]
- 02860 (Pawtucket) [B] — 1 violation
- 02861 (Pawtucket) [B] — 1 violation
- 02862 (Pawtucket) [B] — 1 violation
- 02883 (Peace Dale) [D]
- 02871 (Portsmouth) [C] — 9 violations ⚠
- 02901 (Providence) [C] — 7 violations ⚠
- 02902 (Providence) [C] — 7 violations ⚠
- 02903 (Providence) [C] — 7 violations ⚠
- 02904 (Providence) [D] — 7 violations ⚠
- 02905 (Providence) [C] — 7 violations ⚠
- 02906 (Providence) [C] — 7 violations ⚠
- 02907 (Providence) [C] — 7 violations ⚠
- 02908 (Providence) [C] — 7 violations ⚠
- 02909 (Providence) [C] — 7 violations ⚠
- 02912 (Providence) [C] — 7 violations ⚠
- 02918 (Providence) [C] — 7 violations ⚠
- 02940 (Providence) [C] — 7 violations ⚠
- 02872 (Prudence Island) [B] — 6 violations
- 02915 (Riverside) [C]
- 02873 (Rockville) [D]
- 02916 (Rumford) [C]
- 02874 (Saunderstown) [C] — 7 violations ⚠
- 02875 (Shannock) [D]
- 02876 (Slatersville) [B] — 2 violations
- 02877 (Slocum) [D]
- 02917 (Smithfield) [B] — 3 violations ⚠
- 02878 (Tiverton) [B] — 20 violations ⚠
- 02879 (Wakefield) [D] — 6 violations ⚠
- 02880 (Wakefield) [C] — 6 violations ⚠
- 02885 (Warren) [B] — 3 violations
- 02886 (Warwick) [D] — 28 violations ⚠
- 02887 (Warwick) [C] — 28 violations ⚠
- 02888 (Warwick) [D] — 28 violations ⚠
- 02889 (Warwick) [D] — 28 violations ⚠
- 02817 (West Greenwich) [C]
- 02892 (West Kingston) [C] — 2 violations
- 02893 (West Warwick) [D]
- 02891 (Westerly) [D] — 3 violations
- 02894 (Wood River Junction) [D]
- 02895 (Woonsocket) [B] — 8 violations
- 02898 (Wyoming) [C] — 4 violations ⚠
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Regulations: State plumbing boards, ICC, IAPMO
Updated daily.
Frequently Asked Questions
Is the water safe to drink in Rhode Island?
Rhode Island has 76 community water systems serving 1,012,454 people across 90 ZIP codes. There are 462 recorded violations, including 73 health-based. 52 of 90 ZIP codes have at least one violation.
What plumbing code does Rhode Island follow?
Rhode Island follows the IPC plumbing code. A licensed plumber is generally required for plumbing work.
Is lead a concern in Rhode Island's drinking water?
1 ZIP code in Rhode Island has lead levels exceeding the EPA action level of 0.015 mg/L.
What is the radon risk in Rhode Island?
37% of ZIP codes in Rhode Island fall in EPA Radon Zone 1 (highest risk).