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BLOCK ISLAND WATER COMPANY

Rhode Island — Community Water System — PWSID: RI1858430

System Information

PWSIDRI1858430
System NameBLOCK ISLAND WATER COMPANY
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 8, 2025

Location & Contact

StateRhode Island
CityBLOCK ISLAND
ZIP Code02807
AddressPO BOX 998
OrganizationBREUNIG, JOHN
Phone401-466-3232

Population & Service

Population Served9,999
Service Connections338

Drinking Water Violations (355)

This water system has 355 violations recorded in the EPA SDWIS database.

Begin Date End Date Contaminant Category Health-Based Major Measured Federal MCL State MCL Status Return to Compliance Rule
Jul 1, 2023 Sep 30, 2023 Simazine MR No No — 0.004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 LASSO MR No No — — — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Methoxychlor MR No No — 0.04 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Methoxychlor MR No No — 0.04 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Simazine MR No No — 0.004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor MR No No — 0.0004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor MR No No — 0.0004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 LASSO MR No No — — — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor MR No No — 0.0004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 LASSO MR No No — — — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 LASSO MR No No — — — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Methoxychlor MR No No — 0.04 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Simazine MR No No — 0.004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Methoxychlor MR No No — 0.04 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor MR No No — 0.0004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 HEXACHLOROBENZENE MR No No — 0.001 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Benzo(a)pyrene MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Di(2-ethylhexyl) phthalate MR No No — 0.006 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Simazine MR No No — 0.004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 BHC-GAMMA MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Simazine MR No No — 0.004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Methoxychlor MR No No — 0.04 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor epoxide MR No No — 0.0002 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 Heptachlor MR No No — 0.0004 mg/L — Resolved Sep 30, 2023 Synthetic Organic Chemicals
Jul 1, 2023 Sep 30, 2023 LASSO MR No No — — — Resolved Sep 30, 2023 Synthetic Organic Chemicals

About This Water System

Public water system data comes from the EPA Safe Drinking Water Information System (SDWIS). Systems with violations must notify customers. Contact your water utility for the latest annual water quality report.

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