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HAWTHORNE TERRACE ASSOC

Connecticut — Community Water System — PWSID: CT0340151

System Information

PWSIDCT0340151
System NameHAWTHORNE TERRACE ASSOC
System TypeCommunity Water System
Water SourceGround Water
Activity StatusActive
Owner TypeLocal
EPA Region01
Serves SchoolNo
WholesalerNo
First ReportedMar 8, 1979
Last ReportedDec 15, 2025

Location & Contact

StateConnecticut
CityDANBURY
ZIP Code06810
Address155 DEER HILL AVENUE
OrganizationDAY, DAVID M.
Phone203-797-4539

Population & Service

Population Served156
Service Connections39

Drinking Water Violations (169)

This water system has 169 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
Apr 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Apr 8, 2025 Lead and Copper Rule
Apr 1, 2025 — Lead and Copper Rule MR No No — TT — Resolved Apr 8, 2025 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Mar 31, 2022 Lead and Copper Rule
Jan 1, 2022 — Lead and Copper Rule MR No No — TT — Resolved Mar 31, 2022 Lead and Copper Rule
Jul 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 30, 2020 Lead and Copper Rule
Jul 1, 2020 — Lead and Copper Rule MR No No — TT — Resolved Sep 30, 2020 Lead and Copper Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 2, 2019 Consumer Confidence Rule
Jul 1, 2019 — Consumer Confidence Rule Other No No — — — Resolved Jul 2, 2019 Consumer Confidence Rule
Jul 1, 2016 — Consumer Confidence Rule Other No No — — — Resolved Feb 23, 2017 Consumer Confidence Rule
Sep 29, 2015 — Lead and Copper Rule MR No No — TT — Resolved Mar 18, 2016 Lead and Copper Rule
Sep 29, 2015 — Lead and Copper Rule MR No No — TT — Resolved Mar 18, 2016 Lead and Copper Rule
Jul 1, 2015 Dec 31, 2015 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2015 Lead and Copper Rule
Jul 1, 2015 Dec 31, 2015 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2015 Lead and Copper Rule
Jul 1, 2015 Dec 31, 2015 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2015 Lead and Copper Rule
Jul 1, 2015 Dec 31, 2015 Lead and Copper Rule MR No No — TT — Resolved Dec 31, 2015 Lead and Copper Rule
Apr 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Mar 18, 2016 Lead and Copper Rule
Apr 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Mar 18, 2016 Lead and Copper Rule
Jan 1, 2015 Dec 31, 2017 Carbofuran MR No Yes — 0.04 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Atrazine MR No Yes — 0.003 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Pentachlorophenol MR No Yes — 0.001 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Endrin MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Methoxychlor MR No Yes — 0.04 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Toxaphene MR No Yes — 0.003 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Glyphosate MR No Yes — 0.7 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Dinoseb MR No Yes — 0.007 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Di(2-ethylhexyl) adipate MR No Yes — 0.4 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Aldicarb sulfoxide MR No Yes — — — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 2,4-D MR No Yes — 0.07 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Benzo(a)pyrene MR No Yes — 0.0002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 HEXACHLOROBENZENE MR No Yes — 0.001 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Dalapon MR No Yes — 0.2 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Total Polychlorinated Biphenyls (PCB) MR No Yes — 0.0005 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 Chlordane MR No Yes — 0.002 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 Dec 31, 2017 OXAMYL MR No Yes — 0.2 mg/L — Resolved Dec 31, 2017 Synthetic Organic Chemicals
Jan 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jun 16, 2016 Lead and Copper Rule
Jan 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jun 16, 2016 Lead and Copper Rule
Jan 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jun 16, 2016 Lead and Copper Rule
Jan 1, 2015 — Lead and Copper Rule MR No No — TT — Resolved Jun 16, 2016 Lead and Copper Rule

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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