Vehicle Safety
Recalls Search 320,000+ NHTSA safety recalls Complaints 2.1M+ consumer safety complaints TSBs 4.7M technical service bulletins VIN Lookup Decode any vehicle VIN instantly OBD Codes 12,000+ diagnostic trouble codes Fuel Economy EPA MPG data for all vehicles Statistics Recall trends & safety analysis
Consumer Safety
Product Safety 9,700+ CPSC product recalls Food Safety 28,600+ FDA food recalls Pet Safety 1.3M FDA animal adverse events Drug Safety 17,500+ FDA drug recalls Device Safety 38,400+ FDA device recalls Workplace Safety 102,900+ OSHA injury reports
Infrastructure
Bridge Safety 624,000 bridge inspections Aviation Safety 30,000+ NTSB aviation events Dam Safety 92,600 dam safety records Water Safety 433,000+ public water systems Railroad Safety 438,000+ rail crossings Pipeline Safety 8,800+ pipeline incidents
Public Health
Nursing Homes 14,700 CMS rated facilities Environmental 80,000+ hazardous sites & releases

MASHANTUCKET PEQUOT TRIBAL NATION

Connecticut — Community Water System — PWSID: CT0723011

System Information

PWSIDCT0723011
System NameMASHANTUCKET PEQUOT TRIBAL NATION
System TypeCommunity Water System
Water SourceGround Water Under Influence
Activity StatusNon-Inventory
Owner TypeNative American
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedJan 11, 2000
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityMASHANTUCKET
ZIP Code06338-3249
Address145 ROUTE 2
OrganizationGREENWOOD, KEN
Phone860-396-6780

Population & Service

Population Served17,050
Service Connections300

Drinking Water Violations (148)

This water system has 148 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, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jul 2, 2021 Consumer Confidence Rule
Jul 1, 2021 — Consumer Confidence Rule Other No No — — — Resolved Jul 2, 2021 Consumer Confidence Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Sep 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Sep 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Jul 1, 2020 Jul 31, 2020 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2020 Surface Water Treatment Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jul 31, 2020 Revised Total Coliform Rule
Jul 1, 2020 Jul 31, 2020 Surface Water Treatment Rule MR No Yes — — — Archived Jul 31, 2020 Surface Water Treatment Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
Jun 1, 2020 Jun 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Jun 30, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved May 31, 2020 Surface Water Treatment Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2020 Revised Total Coliform Rule
May 1, 2020 May 31, 2020 Revised Total Coliform Rule MON No No — — — Resolved May 31, 2020 Revised Total Coliform Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Apr 30, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2020 Surface Water Treatment Rule
Apr 1, 2020 Apr 30, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2020 Surface Water Treatment Rule
Apr 1, 2020 Apr 30, 2020 Surface Water Treatment Rule MR No Yes — — — Resolved Apr 30, 2020 Surface Water Treatment Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Apr 1, 2020 Apr 30, 2020 Revised Total Coliform Rule MON No No — — — Resolved Apr 30, 2020 Revised Total Coliform Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Apr 1, 2020 Jun 30, 2020 Chlorine MR No Yes — 4.0 mg/L — Archived Jun 30, 2020 Stage 1 Disinfectants and Disinfection Byproducts Rule
Dec 30, 2019 — Lead and Copper Rule MR No No — TT — Resolved Jun 4, 2020 Lead and Copper Rule
Dec 30, 2019 — Lead and Copper Rule MR No No — TT — Resolved Jun 4, 2020 Lead and Copper Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2018 Consumer Confidence Rule
Jul 1, 2018 — Consumer Confidence Rule Other No No — — — Resolved Jul 9, 2018 Consumer Confidence Rule
Dec 30, 2016 — Lead and Copper Rule MR No No — TT — Resolved May 15, 2017 Lead and Copper Rule
Dec 30, 2016 — Lead and Copper Rule MR No No — TT — Resolved May 15, 2017 Lead and Copper Rule
Jan 1, 2014 Dec 31, 2016 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Total Polychlorinated Biphenyls (PCB) MR No No — 0.0005 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Hexachlorocyclopentadiene MR No No — 0.05 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No No — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No No — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No No — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Chlordane MR No No — 0.002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Carbofuran MR No No — 0.04 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 1,2-DIBROMO-3-CHLOROPROPANE MR No No — 0.0002 mg/L — Resolved Dec 31, 2016 Synthetic Organic Chemicals
Jan 1, 2014 Dec 31, 2016 Aldicarb MR No No — — — Resolved Dec 31, 2016 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.

Browse All Water Systems Water Safety Stats Water Safety Home
Browse All Water Systems Water Systems in Connecticut