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New Shoreham, RI Tap Water Quality 2026

Water quality report for New Shoreham, RI — PFAS, lead and copper results, violation history and state inspection findings from EPA SDWIS.

A look at New Shoreham's drinking water using EPA enforcement records: violations, lead and copper results, PFAS sampling and state inspection findings.

Main Utility: Block Island Water Company PWSID: RI1858430 Updated: 2026 Q2
✅

No federal limits exceeded on record

Lead was not detected and no violations are open. No PFAS was detected.

A

New Shoreham earns an A for water quality

Graded on violations, lead, and PFAS, with state inspection findings.

Lead: not detected
PFAS tested, none detected
65 violations since 2015, 0 health-based
No violations currently open
New Shoreham's lead level vs. all Rhode Island community water systems
0 ppb5 ppb10 ppb15 ppb
Lead level: Not detected — 0% of the federal action level
✓ Lower lead than % of Rhode Island utilities
Population Served
924
~338 connections
Water Source
Groundwater
Drawn from wells — SDWIS source code GW
Active Violations
0
65 since 2015, all resolved

Lead & Copper Testing

Lead (Pb)
90th percentile of tap samples collected across the distribution system
0% of EPA action level
Not detected
Action level: 15 ppb
Lead was not detected at the 90th percentile — the result fell below the laboratory detection limit. That is not the same as an absence of lead in every tap, and older homes with lead service lines can still show higher readings.

Contaminant Violations (2015–Present)

ContaminantTypeMeasuredLimitPeriodStatus
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2023 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2023 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2023 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2023 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2023 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2023 Resolved
LASSO MONITORING AND REPORTING — — 2023 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2023 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2023 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2023 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2020 Resolved
Revised Total Coliform Rule MONITORING FAILURE — — 2018 Resolved
1,2,4-Trichlorobenzene MONITORING AND REPORTING — 0.07 mg/L 2017 Resolved
cis-1,2-Dichloroethylene MONITORING AND REPORTING — 0.07 mg/L 2017 Resolved
Xylenes, Total MONITORING AND REPORTING — 10 mg/L 2017 Resolved
DICHLOROMETHANE MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
o-Dichlorobenzene MONITORING AND REPORTING — 0.6 mg/L 2017 Resolved
p-Dichlorobenzene MONITORING AND REPORTING — 0.075 mg/L 2017 Resolved
Vinyl chloride MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
1,1-Dichloroethylene MONITORING AND REPORTING — 0.007 mg/L 2017 Resolved
trans-1,2-Dichloroethylene MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
1,2-Dichloroethane MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
1,1,1-Trichloroethane MONITORING AND REPORTING — 0.2 mg/L 2017 Resolved
Carbon tetrachloride MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
1,2-Dichloropropane MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
Trichloroethylene MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
1,1,2-Trichloroethane MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
Tetrachloroethylene MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
CHLOROBENZENE MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
Benzene MONITORING AND REPORTING — 0.005 mg/L 2017 Resolved
Toluene MONITORING AND REPORTING — 1 mg/L 2017 Resolved
Ethylbenzene MONITORING AND REPORTING — 0.7 mg/L 2017 Resolved
Styrene MONITORING AND REPORTING — 0.1 mg/L 2017 Resolved
Endrin MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
BHC-GAMMA MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
Methoxychlor MONITORING AND REPORTING — 0.04 mg/L 2017 Resolved
Toxaphene MONITORING AND REPORTING — 0.003 mg/L 2017 Resolved
Dalapon MONITORING AND REPORTING — 0.2 mg/L 2017 Resolved
Di(2-ethylhexyl) adipate MONITORING AND REPORTING — 0.4 mg/L 2017 Resolved
OXAMYL MONITORING AND REPORTING — 0.2 mg/L 2017 Resolved
Simazine MONITORING AND REPORTING — 0.004 mg/L 2017 Resolved
Di(2-ethylhexyl) phthalate MONITORING AND REPORTING — 0.006 mg/L 2017 Resolved
Picloram MONITORING AND REPORTING — 0.5 mg/L 2017 Resolved
Dinoseb MONITORING AND REPORTING — 0.007 mg/L 2017 Resolved
Hexachlorocyclopentadiene MONITORING AND REPORTING — 0.05 mg/L 2017 Resolved
Aldicarb sulfoxide MONITORING AND REPORTING — — 2017 Resolved
Aldicarb sulfone MONITORING AND REPORTING — — 2017 Resolved
Carbofuran MONITORING AND REPORTING — 0.04 mg/L 2017 Resolved
Aldicarb MONITORING AND REPORTING — — 2017 Resolved
Atrazine MONITORING AND REPORTING — 0.003 mg/L 2017 Resolved
LASSO MONITORING AND REPORTING — — 2017 Resolved
Heptachlor MONITORING AND REPORTING — 0.0004 mg/L 2017 Resolved
Heptachlor epoxide MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
2,4-D MONITORING AND REPORTING — 0.07 mg/L 2017 Resolved
2,4,5-TP MONITORING AND REPORTING — 0.05 mg/L 2017 Resolved
HEXACHLOROBENZENE MONITORING AND REPORTING — 0.001 mg/L 2017 Resolved
Benzo(a)pyrene MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
Pentachlorophenol MONITORING AND REPORTING — 0.001 mg/L 2017 Resolved
1,2-DIBROMO-3-CHLOROPROPANE MONITORING AND REPORTING — 0.0002 mg/L 2017 Resolved
ETHYLENE DIBROMIDE MONITORING AND REPORTING — 0.00005 mg/L 2017 Resolved
Chlordane MONITORING AND REPORTING — 0.002 mg/L 2017 Resolved
TTHM MONITORING AND REPORTING — 0.080 mg/L 2015 Resolved
Total Haloacetic Acids (HAA5) MONITORING AND REPORTING — 0.060 mg/L 2015 Resolved
Understanding violation types MCL violations mean a contaminant exceeded the federal maximum limit — the most serious type.
TT (Treatment Technique) violations mean required treatment procedures weren't followed, but don't necessarily mean contamination occurred.

Violation History

65 violations are on record since 2015, of which 0 were health-based. All have been resolved and none remain open.

About the Main Water System

Utility Block Island Water Company
PWSID RI1858430
Water source Groundwater — Drawn from wells — SDWIS source code GW
Population served 924
Service connections 338
Systems serving this area 1
Regulator State primacy agency
Data through 2026 Q2 — EPA SDWIS

Frequently Asked Questions

Is New Shoreham tap water safe to drink? ▼
No federal limit is exceeded on record. No violations are currently open.
Does New Shoreham water have PFAS? ▼
It was tested for the six regulated PFAS compounds and none were detected.
Who supplies water to New Shoreham? ▼
Block Island Water Company (PWSID RI1858430). Groundwater. Drawn from wells — SDWIS source code GW
When was this system last inspected? ▼
It was last inspected on 2023-08-22. No significant deficiencies were recorded.

What Should New Shoreham Residents Do?

1
Read your annual water report
Your supplier publishes a Consumer Confidence Report each July covering the prior year.
2
Check for a lead service line
Lead reaches tap water mainly through service lines and household plumbing. Suppliers now publish an inventory identifying lead lines.
3
Flush before drinking
If water has sat in pipes more than six hours, run the cold tap for two minutes before drinking or cooking.

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