Rhode Island Water Quality & Safety Report
27 ZIP codes · 58 water systems · IPC plumbing code · Updated 2026-03-16
Data: EPA SDWIS, NWS, State plumbing boards, Rewiring America Last verified: 2026-03-16
Overview
We track water quality, weather alerts, plumbing regulations, and energy rebates for 27 ZIP codes across Rhode Island, covering 58 community water systems that serve approximately 797,435 people.
23 of 27 ZIP codes (85%) have recorded EPA violations. 54 health-based violations have been documented.
Active Weather Alerts
2 active alerts in Rhode Island including 1 warning. Severe weather can directly affect tap water quality — flooding, power outages, and infrastructure damage may lead to boil-water advisories.
| Alert | Severity | Areas |
|---|---|---|
| Flood Watch | Severe | Hartford; Tolland; Windham; Western Franklin; Eastern Fra… |
| High Wind Warning | Severe | Central Middlesex County; Western Essex; Eastern Essex; W… |
View all Rhode Island alerts →
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 →
Energy & Water Rebates
Across 27 tracked ZIP codes in Rhode Island, residents have access to an average of 4 water-related rebate programs — including incentives for heat pump water heaters, efficient fixtures, and plumbing upgrades.
Check rebates for your ZIP code →
Areas with Most Violations
| ZIP Code | City | Safety Score | Violations | Health-Based | System |
|---|---|---|---|---|---|
| 02833 | Hopkinton | — | 465 | 6 | LINDHBROOK WATER COMPANY |
| 02804 | Ashaway | — | 246 | 2 | BETHEL VILLAGE WATER ASSN |
| 02813 | Charlestown | — | 232 | 5 | CENTRAL BEACH FIRE DISTRICT |
| 02822 | Exeter | — | 176 | 6 | SHADOW WOODS AT DEER BROOK |
| 02871 | Portsmouth | — | 151 | 12 | PORTSMOUTH WATER & FIRE DISTRICT |
| 02872 | Prudence Island | — | 139 | 0 | PRUDENCE ISLAND WATER DISTRICT |
| 02886 | Warwick | — | 62 | 0 | WARWICK-CITY OF |
| 02807 | Block Island | — | 36 | 0 | BLOCK ISLAND WATER COMPANY |
| 02816 | Coventry | — | 28 | 0 | CNE - NEW LONDON TURNPIKE ENTRY POINT |
| 02852 | North Kingstown | — | 26 | 2 | NORTH KINGSTOWN TOWN OF |
Areas with No Violations
| ZIP Code | City | Safety Score | System | Population |
|---|---|---|---|---|
| 02817 | West Greenwich | — | KENT COUNTY WATER AUTHORITY | 88,779 |
| 02828 | Greenville | — | GREENVILLE WATER DISTRICT | 9,500 |
| 02840 | Newport | — | NEWPORT-CITY OF | 42,155 |
| 02859 | Pascoag | — | CLEAR RIVER ELECTRIC AND WATER DISTRICT | 6,000 |
Lead & Copper
- 0 ZIP codes exceed the EPA lead action level
Radon Risk
- High risk (Zone 1): 0 ZIP codes (0%)
- Moderate risk (Zone 2): 0 ZIP codes
- Low risk (Zone 3): 0 ZIP codes
All 27 ZIP Codes in Rhode Island
- 02804 (Ashaway) — 246 violations ⚠
- 02807 (Block Island) — 36 violations
- 02809 (Bristol) — 2 violations
- 02813 (Charlestown) — 232 violations ⚠
- 02814 (Chepachet) — 5 violations
- 02816 (Coventry) — 28 violations
- 02864 (Cumberland) — 2 violations
- 02822 (Exeter) — 176 violations ⚠
- 02825 (Foster) — 16 violations ⚠
- 02826 (Glendale) — 2 violations
- 02828 (Greenville)
- 02832 (Hope Valley) — 1 violation ⚠
- 02833 (Hopkinton) — 465 violations ⚠
- 02835 (Jamestown) — 18 violations
- 02865 (Lincoln) — 3 violations
- 02842 (Middletown) — 3 violations
- 02840 (Newport)
- 02852 (North Kingstown) — 26 violations ⚠
- 02859 (Pascoag)
- 02860 (Pawtucket) — 2 violations
- 02871 (Portsmouth) — 151 violations ⚠
- 02901 (Providence) — 15 violations ⚠
- 02872 (Prudence Island) — 139 violations
- 02917 (Smithfield) — 6 violations ⚠
- 02879 (Wakefield) — 21 violations ⚠
- 02886 (Warwick) — 62 violations
- 02817 (West Greenwich)
Data Sources
- Water quality: EPA Safe Drinking Water Information System (SDWIS)
- Weather alerts: National Weather Service (NWS)
- Regulations: State plumbing boards, ICC, IAPMO
- Rebates: Rewiring America
Updated daily.